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Liang Z, Konstantinov AS, Ruan Y, Li Z, Huang Z, Ge S. Two new species of the Longitarsusviolentus group from China (Coleoptera, Chrysomelidae, Galerucinae, Alticini). Zookeys 2023; 1181:111-123. [PMID: 37829555 PMCID: PMC10565568 DOI: 10.3897/zookeys.1181.110538] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2023] [Accepted: 09/12/2023] [Indexed: 10/14/2023] Open
Abstract
Two new species of Longitarsus Latreille, 1829 from China are described: L.pekingensis Liang, Konstantinov & Ge, sp. nov. (Beijing) and L.xinjiangensis Liang, Konstantinov & Ge, sp. nov. (Xinjiang). Images of dorsal and lateral habitus, pronotum, head, and male and female genitalia are provided. The records of Longitarsusviolentus Weise, 1893 and Longitarsusweisei Guillebeau, 1895 in China are discussed. Holotypes of L.marguzoricus Konstantinov in Konstantinov & Lopatin, 2000 and L.violentoides Konstantinov in Konstantinov & Lopatin, 2000 are illustrated with images of pronotum and median lobe of aedeagus. A key to species of L.violentus species group is provided.
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Affiliation(s)
- Zulong Liang
- Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, ChinaInstitute of Zoology, Chinese Academy of SciencesBeijingChina
- University of Chinese Academy of Sciences, Beijing, 100101, ChinaUniversity of Chinese Academy of SciencesBeijingChina
| | - Alexander S. Konstantinov
- Systematic Entomology Laboratory, USDA, ARS, c/o Smithsonian Institution, National Museum of Natural History, Washington, DC, USASmithsonian Institution, National Museum of Natural HistoryWashingtonUnited States of America
| | - Yongying Ruan
- Plant Protection Research Center, Shenzhen Polytechnic University, Shenzhen, Guangdong 518055, ChinaShenzhen Polytechnic UniversityShenzhenChina
| | - Zhiqiang Li
- Institute of Zoology, Guangdong Academy of Sciences, Guangdong Key Laboratory of Animal Conservation and Resource Utilization, Guangdong Public Laboratory of Wild Animal Conservation and Utilization, Guangzhou, Guangdong 510260, ChinaInstitute of Zoology, Guangdong Academy of SciencesGuangzhouChina
| | - Zhengzhong Huang
- Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, ChinaInstitute of Zoology, Chinese Academy of SciencesBeijingChina
| | - Siqin Ge
- Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, ChinaInstitute of Zoology, Chinese Academy of SciencesBeijingChina
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Ruan Y, Konstantinov AS, Damaška AF, Zheng L, Chen J, Meng Z. Description of three new species of Benedictus (Coleoptera, Chrysomelidae, Galerucinae, Alticini) from China, with comments on their biology and modified ethanol traps for collecting flea beetles. Zookeys 2023; 1177:147-165. [PMID: 37692327 PMCID: PMC10483390 DOI: 10.3897/zookeys.1177.102811] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2023] [Accepted: 04/24/2023] [Indexed: 09/12/2023] Open
Abstract
The diversity and biology of the moss and leaf litter-inhabiting flea beetles are still poorly known. In this study, three new species of Benedictus are described from China: Benedictusfuanensis Ruan & Konstantinov, sp. nov., Benedictusquadrimaculatus Ruan & Konstantinov, sp. nov., and Benedictuswangi Ruan & Konstantinov, sp. nov. Comments on their biology are given. Benedictusquadrimaculatus has a highly unusual morphological feature not reported before in flea beetles: black spots on the abdominal tergites that are visible through the elytra. Traditional and modified ethanol traps were tested and proven useful for collecting leaf litter- and moss-inhabiting flea beetles. Based on our tests, eight traps could collect one specimen each day in the testing sites in Fujian Province; three traps could collect one specimen each day in the testing sites in Guangdong Province.
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Affiliation(s)
- Yongying Ruan
- Plant Protection Research Center, Shenzhen Polytechnic, Shenzhen 518055, ChinaPlant Protection Research Center, Shenzhen PolytechnicShenzhenChina
| | - Alexander S. Konstantinov
- Systematic Entomology Laboratory, USDA, Smithsonian Institution, P.O. Box 37012, National Museum of Natural History, Washington, DC 20013-7012, USASystematic Entomology Laboratory, USDA, Smithsonian InstitutionWashingtonUnited States of America
| | - Albert F. Damaška
- Department of Zoology, Faculty of Science, Charles University, Viničná 7, 128 00 Prague, Czech RepublicCharles UniversityPragueCzech Republic
| | - Lihao Zheng
- Guang’an Vocational and Technical College, Guang’an 638000, ChinaGuang’an Vocational and Technical CollegeGuang’anChina
| | - Jun Chen
- Key Laboratory of Zoological Systematics and Evolution, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, ChinaInstitute of Zoology, Chinese Academy of SciencesBeijingChina
| | - Ziye Meng
- Plant Protection Research Center, Shenzhen Polytechnic, Shenzhen 518055, ChinaPlant Protection Research Center, Shenzhen PolytechnicShenzhenChina
- Research Center of Buckwheat Industry Technology, Guizhou Normal University, Guiyang, Guizhou, 550025, ChinaGuizhou Normal UniversityGuizhouChina
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Tembrock LR, Wilson CR, Zink FA, Timm AE, Gilligan TM, Konstantinov AS, Tishechkin AK. CO1 barcodes resolve an asymmetric biphyletic clade for Diabrotica undecimpunctata subspecies and provide nucleotide variants for differentiation from related lineages using real-time PCR. Front Insect Sci 2023; 3:1168586. [PMID: 38469542 PMCID: PMC10926502 DOI: 10.3389/finsc.2023.1168586] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/17/2023] [Accepted: 03/28/2023] [Indexed: 03/13/2024]
Abstract
Diabrotica undecimpunctata is a multivoltine polyphagous beetle species that has long been documented as a significant agricultural pest throughout its native range in North America. This beetle can vector bacterial and viral plant pathogens that result in major losses to crops such as cucumber and soybean. Many countries outside the Americas treat D. undecimpunctata as a species of quarantine importance, while in the USA only the subspecies D. u. duodecimnotata is subject to quarantine, to prevent introduction from Mexico. Identification of D. undecimpunctata on the basis of morphology alone can be complicated given the use of conflicting characters in the description of some subspecific taxa. To better understand relationships among D. undecimpunctata subspecies and other related species, we sequenced mitochondrial cytochrome oxidase 1 (CO1) and nuclear internal transcribed spacer 2 (ITS2) DNA from individuals in different subspecific taxa and across different parts of the species range using museum samples and interceptions. When our data were combined with publicly available Diabrotica data, no pattern of divergence consistent with the currently recognized subspecific designations was found. In addition, we compared phylogenetic patterns in CO1 data from the congener D. virgifera to demonstrate the utility of mitochondrial data in resolving subspecies. From the CO1 data, a diagnostic real-time PCR assay was developed that could successfully identify all haplotypes within the large D. undecimpunctata clade for use in surveys and identification at ports of entry. These findings underscore the need to resolve molecular and morphological datasets into cogent, lineage-based groupings. Such efforts will provide an evolutionary context for the study of agriculturally important attributes of Diabrotica such as host preferences, xenobiotic metabolism, and natural and anthropogenic patterns of dispersal.
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Affiliation(s)
- Luke R. Tembrock
- Department of Agricultural Biology, Colorado State University, Fort Collins, CO, United States
| | - Christina R. Wilson
- Department of Agricultural Biology, Colorado State University, Fort Collins, CO, United States
| | - Frida A. Zink
- Department of Agricultural Biology, Colorado State University, Fort Collins, CO, United States
| | - Alicia E. Timm
- Department of Agricultural Biology, Colorado State University, Fort Collins, CO, United States
| | - Todd M. Gilligan
- Pest Identification Technology Laboratory, USDA-APHIS-PPQ-Science and Technology, Fort Collins, CO, United States
| | | | - Alexey K. Tishechkin
- Plant Pest Diagnostics Branch, California Department of Food and Agriculture, Sacramento, CA, United States
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Weber DC, Konstantinov AS, Khrimian A, Bier AD, Lubenow LA, Knodel JJ, Haber AI, Wallingford AK, Mason JAC, Kuhar TP. Trapping of Crucifer-Feeding Flea Beetles (Phyllotreta spp.) (Coleoptera: Chrysomelidae) With Pheromones and Plant Kairomones. J Econ Entomol 2022; 115:748-756. [PMID: 35417020 DOI: 10.1093/jee/toac042] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/29/2021] [Indexed: 06/14/2023]
Abstract
Flea beetles (Coleoptera: Chrysomelidae) of the genus Phyllotreta are major pests of cole crops, canola, and related crops in the mustard family (Brassicaceae). Adults may damage seedlings or larger crop plants, impairing crop growth, rendering crops unmarketable, or killing seedlings outright. The two major North American crucifer pest species, Phyllotreta striolata (F.) and Phyllotreta cruciferae (Goeze), have male-produced pheromones attractive to both female and male adults. We tested the racemic synthetic pheromones, himachaladiene and hydroxyhimachalanone, as well as the host-plant-produced allyl isothiocyanate, alone and in combination, with experimental trapping in Maryland, Virginia, and North Dakota, using clear and yellow sticky traps and the ground-based 'rocket' trap (modified from boll weevil trap). Phyllotreta striolata was consistently attracted to the hydroxyketone, and captures were often enhanced by allyl isothiocyanate (AITC), but its response to pheromones, AITC, and trap color were variable from state to state. Phyllotreta cruciferae was strongly attracted to AITC, but its response to pheromone components varied by state, and this species was found rarely at the Maryland site. Phyllotreta bipustulata (F.) was attracted to the diene component, a new finding for this species. Several other genera of flea beetles were captured, some showing response to the semiochemicals and/or color. Results will be helpful in monitoring and possibly population suppression; however, further research is necessary to develop more efficient syntheses, optimal lure loadings, combinations, and controlled release methods.
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Affiliation(s)
- Donald C Weber
- USDA Agricultural Research Service, Invasive Insect Biocontrol and Behavior Laboratory, Beltsville, MD 20705, USA
| | - Alexander S Konstantinov
- USDA Agricultural Research Service, Systematic Entomology Laboratory, c/o Smithsonian National Museum of Natural History, Washington, DC 20013, USA
| | - Ashot Khrimian
- USDA Agricultural Research Service, Invasive Insect Biocontrol and Behavior Laboratory, Beltsville, MD 20705, USA
| | - Alexander D Bier
- USDA Agricultural Research Service, Invasive Insect Biocontrol and Behavior Laboratory, Beltsville, MD 20705, USA
| | - Lesley A Lubenow
- Langdon Research Extension Center, North Dakota State University, Langdon, ND 58249, USA
| | - Janet J Knodel
- Department of Plant Pathology, North Dakota State University, Fargo, ND 58108, USA
| | - Ariela I Haber
- USDA Agricultural Research Service, Invasive Insect Biocontrol and Behavior Laboratory, Beltsville, MD 20705, USA
| | - Anna K Wallingford
- Department of Agriculture, Nutrition and Food Systems, University of New Hampshire, Durham, NH 03824, USA
| | - James A C Mason
- Department of Entomology, Virginia Tech, Blacksburg, VA 24061, USA
| | - Thomas P Kuhar
- Department of Entomology, Virginia Tech, Blacksburg, VA 24061, USA
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DE Oliveira DWG, Linzmeier AM, Konstantinov AS. Discovery of the first leaf litter inhabiting flea beetles in Brazil (Coleoptera: Chrysomelidae: Galerucinae) with description of two new genera and three new species. Zootaxa 2021; 5068:99-114. [PMID: 34810720 DOI: 10.11646/zootaxa.5068.1.4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2021] [Indexed: 11/04/2022]
Abstract
Two new genera of flea beetles are described and illustrated: Brasilplatus Oliveira, Linzmeier Konstantinov new genus, monotypic, type species B. bahianus Oliveira, Linzmeier Konstantinov new species, and Tupiniquim Linzmeier, Oliveira Konstantinov new genus, containing two species, T. pronotalis Linzmeier, Oliveira Konstantinov new species and T. confusa Linzmeier, Oliveira Konstantinov new species and type species of the genus. These are the first described genera of flea beetles inhabiting leaf litter in Brazil. Brasilplatus belongs to the subtribe Monoplatina and is compared to other Monoplatina genera known to occur in leaf litter or moss cushions: Andersonaltica Linzmeier Konstantinov, 2012, Apleuraltica Bechyn, 1956 and Ulrica Scherer, 1962. Tupiniquim is unique among New World flea beetles, it allies cannot be immediately identified. Here it is compared to several New World and Old World genera.
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Affiliation(s)
| | - Adelita M Linzmeier
- Universidade Federal da Fronteira Sul, Rua Edmundo Gaievski, 1000, P. O. Box 253, 85770-000, Realeza, PR, Brazil. .
| | - Alexander S Konstantinov
- Systematic Entomology Laboratory, USDA, c/o Smithsonian Institution, P. O. Box 37012, National Museum of Natural History, Washington, DC 20013-7012, USA. .
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Konstantinov AS, Mitin NP, Shelekhova KV. [Assessment of the metastatic potential of localized forms of colorectal cancer]. Arkh Patol 2021; 83:5-12. [PMID: 34609798 DOI: 10.17116/patol2021830515] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
OBJECTIVE To assess the risk of recurrence after surgical treatment is an integral part of the management of patients with colorectal cancer. The AJCC/UICC TNM staging system, in which the risk is identified by grouping the patients on the basis of anatomical elements, is commonly used. Despite the simplicity of implementation, significant heterogeneity remains within each stage group. A better tool for predicting a recurrence is needed in the era of multimodal treatment. SUBJECTS AND METHODS A total of 1350 archival colorectal cancer cases during 2012 to 2015 were retrospectively analyzed; among which the investigators identified 3 patient groups: 1) 53 patients with non-metastatic colon cancer for at least 5 years; 2) 45 patients with metachronous metastases detected during the same period; and 3) 53 patients with synchronous metastases. Among the estimated 31 parameters, the investigators used a multidimensional analysis to select 6 most significant prognostic factors that were included in the final model based on a logistic regression analysis. The resulting model was applied to assess the risk of metastasis after cytoreductive surgery. It was internally and externally validated in an examination group (n=25). RESULTS The model has a sensitivity of 97.78% and a specificity of 96.23%, improving the risk stratification for metastatic colon cancer. The factors in the model include extramural venous invasion, the severity of budding, the expression of E-cadherin and β-catenin, the proportion of cytotoxic CD8+ lymphocytes of the total number of T lymphocytes in the microenvironment, and the ratio of newly formed vessels to tumor stromal microvessel density. CONCLUSION Using morphopathological factors, the resulting model allows better consideration of tumor specificity in a particular patient, thereby providing a more individual prediction of outcome than that provided by the AJCC/UICC TNM staging system. By identifying patients at both high- and low-risk for metastasis, the model can be useful to plan treatment and to choose clinical management tactics for patients with colorectal cancer.
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Affiliation(s)
- A S Konstantinov
- Saint Petersburg Sociomedical Institute, St. Petersburg, Russia.,Saint Petersburg Clinical Research and Practice Center of Specialized Medical Care in Oncology, St. Petersburg, Russia
| | - N P Mitin
- Saint Petersburg Clinical Research and Practice Center of Specialized Medical Care in Oncology, St. Petersburg, Russia
| | - K V Shelekhova
- Saint Petersburg Sociomedical Institute, St. Petersburg, Russia.,Saint Petersburg Clinical Research and Practice Center of Specialized Medical Care in Oncology, St. Petersburg, Russia.,S.M. Kirov Military Medical Academy of the Ministry of Defense of Russia, St. Petersburg, Russia
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Adler C, Ahammed Z, Allgower C, Amonett J, Anderson BD, Anderson M, Averichev GS, Balewski J, Barannikova O, Barnby LS, Baudot J, Bekele S, Belaga VV, Bellwied R, Berger J, Bichsel H, Billmeier A, Bland LC, Blyth CO, Bonner BE, Boucham A, Brandin A, Bravar A, Cadman RV, Caines H, Calderón de la Barca Sánchez M, Cardenas A, Carroll J, Castillo J, Castro M, Cebra D, Chaloupka P, Chattopadhyay S, Chen Y, Chernenko SP, Cherney M, Chikanian A, Choi B, Christie W, Coffin JP, Cormier TM, Cramer JG, Crawford HJ, Csanád M, Deng WS, Derevschikov AA, Didenko L, Dietel T, Draper JE, Dunin VB, Dunlop JC, Eckardt V, Efimov LG, Emelianov V, Engelage J, Eppley G, Erazmus B, Fachini P, Faine V, Filimonov K, Finch E, Fisyak Y, Flierl D, Foley KJ, Fu J, Gagliardi CA, Gagunashvili N, Gans J, Gaudichet L, Germain M, Geurts F, Ghazikhanian V, Grachov O, Grigoriev V, Guedon M, Gushin E, Hallman TJ, Hardtke D, Harris JW, Henry TW, Heppelmann S, Herston T, Hippolyte B, Hirsch A, Hjort E, Hoffmann GW, Horsley M, Huang HZ, Humanic TJ, Igo G, Ishihara A, Ivanshin YI, Jacobs P, Jacobs WW, Janik M, Johnson I, Jones PG, Judd EG, Kaneta M, Kaplan M, Keane D, Kiryluk J, Kisiel A, Klay J, Klein SR, Klyachko A, Konstantinov AS, Kopytine M, Kotchenda L, Kovalenko AD, Kramer M, Kravtsov P, Krueger K, Kuhn C, Kulikov AI, Kunde GJ, Kunz CL, Kutuev RK, Kuznetsov AA, Lakehal-Ayat L, Lamont MAC, Landgraf JM, Lange S, Lansdell CP, Lasiuk B, Laue F, Lebedev A, Lednický R, Leontiev VM, LeVine MJ, Li Q, Lindenbaum SJ, Lisa MA, Liu F, Liu L, Liu Z, Liu QJ, Ljubicic T, Llope WJ, LoCurto G, Long H, Longacre RS, Lopez-Noriega M, Love WA, Ludlam T, Lynn D, Ma J, Ma R, Majka R, Margetis S, Markert C, Martin L, Marx J, Matis HS, Matulenko YA, McShane TS, Meissner F, Melnick Y, Meschanin A, Messer M, Miller ML, Milosevich Z, Minaev NG, Mitchell J, Moiseenko VA, Moore CF, Morozov V, de Moura MM, Munhoz MG, Nelson JM, Nevski P, Niida T, Nikitin VA, Nogach LV, Norman B, Nurushev SB, Odyniec G, Ogawa A, Okorokov V, Oldenburg M, Olson D, Paic G, Pandey SU, Panebratsev Y, Panitkin SY, Pavlinov AI, Pawlak T, Perevoztchikov V, Peryt W, Petrov VA, Planinic M, Pluta J, Porile N, Porter J, Poskanzer AM, Potrebenikova E, Prindle D, Pruneau C, Putschke J, Rai G, Rakness G, Ravel O, Ray RL, Razin SV, Reichhold D, Reid JG, Retiere F, Ridiger A, Ritter HG, Roberts JB, Rogachevski OV, Romero JL, Rose A, Roy C, Rykov V, Sakrejda I, Salur S, Sandweiss J, Saulys AC, Savin I, Schambach J, Scharenberg RP, Schmitz N, Schroeder LS, Schüttauf A, Schweda K, Seger J, Seliverstov D, Seyboth P, Shahaliev E, Shestermanov KE, Shimanskii SS, Shvetcov VS, Skoro G, Smirnov N, Snellings R, Sorensen P, Sowinski J, Spinka HM, Srivastava B, Stephenson EJ, Stock R, Stolpovsky A, Strikhanov M, Stringfellow B, Struck C, Suaide AAP, Sugarbaker E, Suire C, Šumbera M, Surrow B, Symons TJM, Szanto de Toledo A, Szarwas P, Tai A, Takahashi J, Tang AH, Thomas JH, Thompson M, Tikhomirov V, Todoroki T, Tokarev M, Tonjes MB, Trainor TA, Trentalange S, Tribble RE, Trofimov V, Tsai O, Ullrich T, Underwood DG, Van Buren G, VanderMolen AM, Vasilevski IM, Vasiliev AN, Vigdor SE, Voloshin SA, Wang F, Ward H, Watson JW, Wells R, Westfall GD, Whitten C, Wieman H, Willson R, Wissink SW, Witt R, Wood J, Xu N, Xu Z, Yakutin AE, Yamamoto E, Yang J, Yepes P, Yurevich VI, Zanevski YV, Zborovský I, Zhang H, Zhang WM, Zoulkarneev R, Zubarev AN. Erratum: Azimuthal Anisotropy of K_{S}^{0} and Λ+Λ[over ¯] Production at Midrapidity from Au+Au Collisions at sqrt[s]_{NN}=130 GeV [Phys. Rev. Lett. 89, 132301 (2002)]. Phys Rev Lett 2021; 127:089901. [PMID: 34477449 DOI: 10.1103/physrevlett.127.089901] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/27/2021] [Indexed: 06/13/2023]
Abstract
This corrects the article DOI: 10.1103/PhysRevLett.89.132301.
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Konstantinov AS. Flea beetles of the West Indies: the genus Hemilactica Blake, 1937 (Coleoptera, Chrysomelidae, Galerucinae, Alticini). Zookeys 2021; 1044:589-607. [PMID: 34183887 PMCID: PMC8222300 DOI: 10.3897/zookeys.1044.62632] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2020] [Accepted: 01/28/2021] [Indexed: 11/12/2022] Open
Abstract
The West Indian flea beetle genus Hemilactica Blake, 1937 is reviewed. Two new species, both from the Dominican Republic are described and illustrated: H.erwinisp. nov. and H.sierramatringarciasp. nov. In addition, images of the holotypes of H.portoricensis Blake, H.pulchella Blake, and H.rugosa Blake are provided. Lacticamegaspila (Blake) is transferred to Hemilactica. A lectotype of H.quatuordecimpunctata (Suffrian, 1868) is designated and illustrated, and a key to the Hemilactica species and a key for identification of Hemilactica and related genera occurring in the Western Hemisphere are provided.
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Affiliation(s)
- Alexander S Konstantinov
- Systematic Entomology Laboratory, USDA, c/o Smithsonian Institution, National Museum of Natural History, P. O. Box 37012, Washington, DC 20013-7012, USA Smithsonian Institution Washington United States of America
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Ruan Y, Konstantinov AS, Damaška AF. The Biology and Immature Stages of the Moss-Eating Flea Beetle Cangshanaltica fuanensis sp. nov. (Coleoptera, Chrysomelidae, Galerucinae, Alticini), with Description of a Fan-Driven High-Power Berlese Funnel. Insects 2020; 11:E571. [PMID: 32858783 PMCID: PMC7565706 DOI: 10.3390/insects11090571] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/21/2020] [Revised: 08/18/2020] [Accepted: 08/20/2020] [Indexed: 11/22/2022]
Abstract
The biology of the moss and leaf litter inhabiting flea beetles is poorly understood. In this study, a new species of moss-eating flea beetles Cangshanaltica fuanensis sp. nov. is described; the morphology of adult and immature stages is examined and illustrated. Its life history and biology are studied. The remarkable and unique biological features are revealed: (1) females deposit one large egg at a time, egg length equals 0.4-0.5 times the female body length, these are unusual in Chrysomelidae; (2) females have only two ovarioles on each side of the ovary, which has not been reported in other Chrysomelidae species; (3) females lay and hide each egg under a spoon-shaped moss leaf; (4) cannibalism of a second instar larva on an egg was observed. Both adults and larvae feed on moss and are polyphagous; their feces mainly consist of un-digested moss fragments; high humidity is essential for the survival of eggs and larvae and expedites the hatching. In addition, a modified fan-driven Berlese funnel is designed for faster extraction of moss inhabiting flea beetles. This device could also be used for collecting other ground-dwelling arthropods. Its working diagram is illustrated and described.
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Affiliation(s)
- Yongying Ruan
- School of Applied Chemistry and Biological Technology, Shenzhen Polytechnic, Shenzhen 518055, China
| | - Alexander S. Konstantinov
- Systematic Entomology Laboratory, USDA, Smithsonian Institution, National Museum of Natural History, P.O. Box 37012, Washington, DC 20013-7012, USA;
| | - Albert F. Damaška
- Department of Zoology, Faculty of Science, Charles University, Viničná 7, 128 00 Prague, Czech Republic;
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Viswajyothi K, Konstantinov AS. Blakealtica, a new genus of flea beetles (Coleoptera, Chrysomelidae, Galerucinae, Alticini) from the Dominican Republic. Zookeys 2020; 959:1-16. [PMID: 32879609 PMCID: PMC7442766 DOI: 10.3897/zookeys.959.53415] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2020] [Accepted: 06/29/2020] [Indexed: 11/12/2022] Open
Abstract
Blakealtica fusca a new genus and new species from the Dominican Republic is described and illustrated. In addition to external features, beetle thoracic sclerites (including metendosternite) are fully examined and illustrated. Blakealtica is similar to Monomacra Chevrolat,1836 and related genera (Disonycha Chevrolat, 1836, Hemilactica Blake, 1937, Myrmeconycha Konstantinov & Tishechkin, 2017, Parchicola Bechyne & Bechyne, 1975, Pseudodisonycha Blake, 1954, and Rosalactica Bechyne & Bechyne, 1977) as all studied representatives of these genera are missing the sclerotized vaginal palpi or have them membranous and otherwise poorly developed. This feature may be unique for the Monomacra group of genera as it has not been seen anywhere else in flea beetles.
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Affiliation(s)
- Keezhpattillam Viswajyothi
- Monte L. Bean Life Science Museum, Brigham Young University, Provo, Utah, U.S.A. 84602 and Kerala Agricultural University, Department of Agricultural Entomology, College of Agriculture, Vellayani, Trivandrum, Kerala, IndiaBrigham Young UniversityProvoUnited States of America
| | - Alexander S. Konstantinov
- Systematic Entomology Laboratory, USDA, c/o Smithsonian Institution, P. O. Box 37012, National Museum of Natural History, Washington, DC 20013-7012, USANational Museum of Natural HistoryWashingtonUnited States of America
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Konstantinov AS, Linzmeier AM. Moss inhabiting flea beetles of the West Indies III: Erinaceialtica, a new genus from Hispaniola (Coleoptera, Chrysomelidae, Galerucinae, Alticini). Zookeys 2020; 955:113-145. [PMID: 32855595 PMCID: PMC7423781 DOI: 10.3897/zookeys.955.53644] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2020] [Accepted: 06/06/2020] [Indexed: 11/12/2022] Open
Abstract
Erinaceialtica Konstantinov & Linzmeier, a new genus of moss inhabiting flea beetles, containing seven species from the Dominican Republic and Haiti is described and illustrated. Five species are new (E. gabbysalazarae, E. janestanleyae, E. rickstanleyi (the type species), E. rileyi, and E. thomasi) and two species are transferred from Aedmon: A. albicincta (Blake) and A. hugonis (Blake) comb. nov. The new genus is compared to Aedmon Clark, Apleuraltica Bechyne, Andersonaltica Linzmeier & Konstantinov, Distigmoptera Blake, and Ulrica Scherer. Keys to Erinaceialtica and related genera and to Erinaceialtica species are provided.
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Affiliation(s)
- Alexander S. Konstantinov
- Systematic Entomology Laboratory, USDA, c/o Smithsonian Institution, P. O. Box 37012, National Museum of Natural History, Washington, DC 20013-7012, USANational Museum of Natural HistoryWashingtonUnited States of America
| | - Adelita M. Linzmeier
- Universidade Federal da Fronteira Sul, Rua Edmundo Gaievski, 1000, P. O. Box 253, 85.770-000, Realeza, PR, BrazilUniversidade Federal da Fronteira SulRealezaBrazil
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Ruan Y, Konstantinov AS, Shi G, Tao Y, Li Y, Johnson AJ, Luo X, Zhang X, Zhang M, Wu J, Li W, Ge S, Yang X. The jumping mechanism of flea beetles (Coleoptera, Chrysomelidae, Alticini), its application to bionics and preliminary design for a robotic jumping leg. Zookeys 2020; 915:87-105. [PMID: 32148424 PMCID: PMC7052025 DOI: 10.3897/zookeys.915.38348] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2019] [Accepted: 11/26/2019] [Indexed: 11/12/2022] Open
Abstract
Flea beetles (Coleoptera, Chrysomelidae, Galerucinae, Alticini) are a hyperdiverse group of organisms with approximately 9900 species worldwide. In addition to walking as most insects do, nearly all the species of flea beetles have an ability to jump and this ability is commonly understood as one of the key adaptations responsible for its diversity. Our investigation of flea beetle jumping is based on high-speed filming, micro-CT scans and 3D reconstructions, and provides a mechanical description of the jump. We reveal that the flea beetle jumping mechanism is a catapult in nature and is enabled by a small structure in the hind femur called an 'elastic plate' which powers the explosive jump and protects other structures from potential injury. The explosive catapult jump of flea beetles involves a unique 'high-efficiency mechanism' and 'positive feedback mechanism'. As this catapult mechanism could inspire the design of bionic jumping limbs, we provide a preliminary design for a robotic jumping leg, which could be a resource for the bionics industry.
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Affiliation(s)
- Yongying Ruan
- Key Laboratory of Zoological Systematics and Evolution, Institute of Zoology, Chinese Academy of Sciences, Beijing, China
- School of Applied Chemistry and Biological Technology, Shenzhen Polytechnic, Shenzhen, Guangdong 518055, China
| | - Alexander S. Konstantinov
- Systematic Entomology Laboratory, USDA, ARS, c/o Smithsonian Institution, National Museum of Natural History, Washington DC, USA
| | - Guanya Shi
- Department of Automotive Engineering, Tsinghua University, Beijing, China
| | - Yi Tao
- Key Lab of Animal Ecology and Conservation Biology, Centre for Computational Biology and Evolution, Institute of Zoology, Chinese Academy of Sciences, Beijing, China
| | - You Li
- School of Forest Resources and Conservation, University of Florida, Gainesville, FL, USA
| | - Andrew J. Johnson
- School of Forest Resources and Conservation, University of Florida, Gainesville, FL, USA
| | - Xiaozhu Luo
- Department of Entomology, South China Agricultural University, Guangzhou, China
| | - Xinying Zhang
- Key Laboratory of Zoological Systematics and Evolution, Institute of Zoology, Chinese Academy of Sciences, Beijing, China
| | - Mengna Zhang
- School of Applied Chemistry and Biological Technology, Shenzhen Polytechnic, Shenzhen, Guangdong 518055, China
| | - Jianing Wu
- School of Aeronautics and Astronautics, Sun Yat-Sen University, Guangzhou, 510006, China
| | - Wenzhu Li
- Key Laboratory of Zoological Systematics and Evolution, Institute of Zoology, Chinese Academy of Sciences, Beijing, China
| | - Siqin Ge
- Key Laboratory of Zoological Systematics and Evolution, Institute of Zoology, Chinese Academy of Sciences, Beijing, China
| | - Xingke Yang
- Key Laboratory of Zoological Systematics and Evolution, Institute of Zoology, Chinese Academy of Sciences, Beijing, China
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Ruan Y, Yang X, Konstantinov AS, Prathapan KD, Zhang M. Revision of the Oriental Chaetocnema species (Coleoptera, Chrysomelidae, Galerucinae, Alticini). Zootaxa 2019; 4699:zootaxa.4699.1.1. [PMID: 32229998 DOI: 10.11646/zootaxa.4699.1.1] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2019] [Indexed: 11/04/2022]
Abstract
The Oriental species of Chaetocnema Stephens, 1831 are revised. There are 85 valid species, including 19 new species: C. angustifrons sp. nov.; C. appendiculata sp. nov.; C. baoshanica sp. nov.; C. dapitanica sp. nov.; C. glabra sp. nov.; C. greenica sp. nov.; C. jinxiuensis sp. nov.; C. hongkongensis sp. nov.; C. latapronota sp. nov.; C. midimpunctata sp. nov.; C. nigrilata sp. nov.; C. parafusiformis sp. nov.; C. paragreenica sp. nov.; C. paraumesaoi sp. nov.; C. purerulea sp. nov.; C. reteimpunctata sp. nov.; C. sabahensis sp. nov.; C. subbasalis sp. nov.; C. trapezoida sp. nov. Fifteen new synonyms are proposed: C. assamensis Scherer, 1969 (syn. nov.) = C. hainanensis Chen, 1932; C. birmanica Jacoby, 1892 (syn. nov.) = C. malayana Baly, 1877; C. ebenina Warchalowski, 1973 (syn. nov.) = C. yiei Kimoto, 1970; C. flavipennis Medvedev, 1996 (syn. nov.) = C. granulicollis Jacoby, 1896; C. harita Maulik, 1926 (syn. nov.) = C. westwoodi Baly, 1877; C. himalayana Medvedev, 1993 (syn. nov.) = C. melonae Chen, 1934; C. kwangsiensis Chen, 1939 (syn. nov.) = C. hainanensis Chen, 1932; C. loriae Jacoby, 1905 (syn. nov.) = C. nigrica Motschulsky, 1858; C. nepalensis Scherer, 1969 (syn. nov.) = C. bella Baly, 1877; C. nitens Baly, 1877 (syn. nov.) = C. nigrica Motschulsky, 1858; C. placida Jacoby, 1896 (syn. nov.) = C. bella Baly 1877; C. shanensis Bryant, 1939 (syn. nov.) = C. bella Baly 1877; C. subcostata Jacoby, 1889 (syn. nov.) = C. wallacei Baly, 1877; C. vietnamica Chen Wang, 1980 (syn. nov.) = C. modigliani Jacoby, 1896; C. vietnamica Medvedev, 2009 (syn. nov.) = C. wallacei Baly, 1877. C. vietnamica Medvedev, 2001 is a new junior homonym of C. vietnamica Chen Wang, 1980. C. melonae Chen, 1934 status restored and resurrected from synonymy with C. duvivieri Jacoby, 1892 in Medvedev, 2001: 613. Two subspecies are raised to species level: C. taiwanensis Chûjô, 1965 new status for C. tonkinensis taiwanensis Chûjô, 1965 and C. yunnanica Heikertinger, 1951 new status for C. discreta yunnanica Heikertinger, 1951. Lectotypes are designated for 25 species: C. minuta Jacoby, 1896; C. granulicollis Jacoby, 1896; C. kwangsiensis Chen, 1939; C. longipunctata Maulik, 1926; C. montivaga Maulik, 1926; C. basalis Baly, 1877; C. parvula Baly, 1877; C. nitens Baly, 1877; C. geniculata Jacoby, 1896; C. simplicifrons (Baly, 1876); C. sticta Maulik, 1926; C. sumatrana Jacoby, 1896; C. wallacei Baly, 1877; C. alticola Maulik, 1926; C. belli Jacoby 1904; C. cognata Baly, 1877; C. squarrosa Baly, 1877; C. concinnipennis Baly, 1877; C. malayana Baly, 1877; C. birmanica Jacoby, 1892; C. merguiensis Bryant, 1941; C. pusaensis Maulik, 1926; C. singala Maulik, 1926; C. westwoodi Baly, 1877; C. harita Maulik, 1926.
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Affiliation(s)
- Yongying Ruan
- School of Applied Chemistry and Biological Technology, Shenzhen Polytechnic, Shenzhen, Guangdong 518055, China. Key Laboratory of Zoological Systematics and Evolution, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China.
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Konstantinov AS, Moseyko AG. A new species of Phyllotreta Chevrolat, 1836 (Coleoptera: Chrysomelidae: Galerucinae: Alticini) from Omsk Province of Russia with comments on Phyllotreta species diversity in Northeastern Palearctic. Zootaxa 2019; 4679:zootaxa.4679.3.4. [PMID: 31715947 DOI: 10.11646/zootaxa.4679.3.4] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2019] [Indexed: 11/04/2022]
Abstract
A new species of flea beetle genus Phyllotreta Chevrolat, 1836 (P. sholaksori new species) is described from shores of saline lakes in Southwestern Siberia. It is compared with species with which it was collected as well as with species comprising a group to which it belongs (P. araxicola Jablokoff-Khnzorian, 1968, P. astrachanica Lopatin, 1977, P. atra Fabricius, 1775, P. balcanica Heikertinger, 1909, P. cruciferae Goeze, 1777, and P. diademata Fourdas, 1860). All these species are illustrated and included in the key.
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Affiliation(s)
- A S Konstantinov
- Systematic Entomology Laboratory, USDA, c/o Smithsonian Institution, P.O. Box 37012, National Museum of Natural History, Washington, DC 20013-7012, USA..
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Nie R, Wei J, Zhang S, Vogler AP, Wu L, Konstantinov AS, Li W, Yang X, Xue H. Diversification of mitogenomes in three sympatric
Altica
flea beetles (Insecta, Chrysomelidae). ZOOL SCR 2019. [DOI: 10.1111/zsc.12371] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Rui‐E Nie
- Key Laboratory of Zoological Systematics and Evolution, Institute of Zoology Chinese Academy of Sciences Beijing China
| | - Jing Wei
- Key Laboratory of Zoological Systematics and Evolution, Institute of Zoology Chinese Academy of Sciences Beijing China
- University of Chinese Academy of Sciences Beijing China
| | - Shou‐Ke Zhang
- Key Laboratory of Zoological Systematics and Evolution, Institute of Zoology Chinese Academy of Sciences Beijing China
- Research Institute of Subtropical Forestry Chinese Academy of Forestry Fuyang China
| | - Alfried P. Vogler
- Department of Life Sciences Natural History Museum London UK
- Department of Life Sciences, Silwood Park Campus Imperial College London Ascot UK
| | - Ling Wu
- Key Laboratory of Zoological Systematics and Evolution, Institute of Zoology Chinese Academy of Sciences Beijing China
- College of Life Sciences Hebei University Baoding China
| | | | - Wen‐Zhu Li
- Key Laboratory of Zoological Systematics and Evolution, Institute of Zoology Chinese Academy of Sciences Beijing China
| | - Xing‐Ke Yang
- Key Laboratory of Zoological Systematics and Evolution, Institute of Zoology Chinese Academy of Sciences Beijing China
| | - Huai‐Jun Xue
- Key Laboratory of Zoological Systematics and Evolution, Institute of Zoology Chinese Academy of Sciences Beijing China
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Ruan Y, Konstantinov AS, Prathapan KD, Zhang M, Yang X. A review of the genus Lankaphthona Medvedev, 2001, with comments on the modified phallobase and the unique abdominal appendage of L. binotata (Baly) (Coleoptera, Chrysomelidae, Galerucinae, Alticini). Zookeys 2019; 857:29-58. [PMID: 31303804 PMCID: PMC6606673 DOI: 10.3897/zookeys.857.34465] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2019] [Accepted: 05/04/2019] [Indexed: 11/20/2022] Open
Abstract
The flea beetle genus Lankaphthona Medvedev, 2001 is redescribed and a new species L.yunnantarsellasp. nov. Ruan, Konstantinov & Prathapan is described. Longitarsella Medvedev, 2009, syn. nov. and Philotarsa Medvedev, 2009, syn. nov. are newly synonymized with Lankaphthona. Philotarsalaosica Medvedev, 2009, syn. nov. is synonymized with Lankaphthonaphuketensis (Gruev, 1989). The following new combinations are proposed: Lankaphthonabinotata (Baly, 1876), comb. nov.; Lankaphthonacostata (Medvedev, 2016), comb. nov.; Lankaphthonacyanipennis (Medvedev, 2017), comb. nov.; Lankaphthonanigronotata (Jacoby, 1896), comb. nov.; Lankaphthonanotatipennis (Medvedev, 2009), comb. nov.; and Lankaphthonaphuketensis (Gruev, 1989), comb. nov., status restored. A highly specialized spoon-shaped ‘appendage’ is discovered on the first abdominal ventrite of males of Lankaphthonabinotata. Aedeagus of the same species has aberrant sheath-shaped phallobase encircling the median lobe. Morphology and possible function of these structures are discussed. Menispermaceae are newly reported as the host plants of the genus.
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Abstract
Camouflaged objects are harder to detect if the background itself is more heterogeneous, and search becomes increasingly inefficient when the scene contains multiple items resembling the target. Some adult leaf beetles (Coleoptera: Chrysomelidae) with highly specialized habits make holes on host plant leaves while feeding. We propose that leaf beetles camouflage themselves with their feeding holes. The presence of holes makes predators' visual search harder, thus giving beetles more time to escape from the leaf surface either by jumping (Galerucinae: Alticini) or rolling (rest of Chrysomelidae). Based on behavioral observations and analysis of 25 photographs of feeding leaf beetles (15 species), we demonstrate that adult leaf beetles camouflage themselves by creating holes of uniform size, approximately half of the beetle body size. Observation of the feeding behavior and anatomy of a typical hole-feeding beetle (Altica cirsicola) showed that the foregut volume and head-prothorax mobility of beetles are the two major factors that constrain the hole size. A computer-simulated visual search test showed that the greater the number of holes, and the more each hole approached beetle body size, the longer it took humans (as models) to locate a beetle on a leaf. This study reports a newly discovered kind of camouflage, hole-feeding camouflage, in leaf beetles, which makes visual detection or recognition more difficult by changing the environmental background. This type of camouflage may open up a range of new possibilities for studies in animal cognition analysis and evolution of anti-predation defenses.
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Affiliation(s)
- Jing Ren
- 1 Key Laboratory of Zoological Systematics and Evolution, Institute of Zoology Chinese Academy of Sciences, Beijing 100101, China
| | - Natasha de Gunten
- 2 Woodruff School of Mechanical Engineering, Georgia Institute of Technology, Georgia 30332, USA
| | - Alexander S Konstantinov
- 3 Systematic Entomology Laboratory, ARS, USDA, c/o Smithsonian Institution, National Museum of Natural History, Washington DC 20013, USA
| | - Fredric V Vencl
- 4 Department of Ecology and Evolution, Stony Brook University, Stony Brook, New York 11794, USA
| | - Siqin Ge
- 1 Key Laboratory of Zoological Systematics and Evolution, Institute of Zoology Chinese Academy of Sciences, Beijing 100101, China
| | - David L Hu
- 2 Woodruff School of Mechanical Engineering, Georgia Institute of Technology, Georgia 30332, USA.,5 School of Biology, Georgia Institute of Technology, Atlanta, Georgia 30332, USA
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Linzmeier AM, Konstantinov AS. Andersonoplatus, a new, remarkable leaf litter inhabiting genus of Monoplatina (Coleoptera, Chrysomelidae, Galerucinae, Alticini). Zookeys 2018; 744:79-138. [PMID: 29670446 PMCID: PMC5904521 DOI: 10.3897/zookeys.744.22766] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2017] [Accepted: 02/19/2018] [Indexed: 11/29/2022] Open
Abstract
Andersonoplatus, a new genus with 16 new species from Venezuela (A. andersoni, A. bechyneorum, A. castaneus, A. flavus, A. jolyi, A. laculata, A. lagunanegra, A. macubaji, A. merga, A. merida, A. microoculus, A. peck, A. rosalesi, A. sanare, A. saviniae) and Panama (A. baru), is described and illustrated. All the specimens were collected in leaf litter by R. Anderson and S. and J. Peck. Andersonoplatus is compared to Andersonaltica Linzmeier & Konstantinov, Apleuraltica Bechyne, Distigmoptera Blake and Ulrica Scherer.
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Affiliation(s)
- Adelita M. Linzmeier
- Universidade Federal da Fronteira Sul – UFFS, Rua Edmundo Gaievski, 1000, sala 211, 85.770-000, Realeza – PR, Brazil
| | - Alexander S. Konstantinov
- Systematic Entomology Laboratory, USDA, Smithsonian Institution, P.O. Box 37012, National Museum of Natural History, Washington, DC 20013-7012, USA
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Ruan Y, Konstantinov AS, Prathapan KD, Yang X. Contributions to the knowledge of Chinese flea beetle fauna (II): Baoshanaltica new genus and Sinosphaera new genus (Coleoptera, Chrysomelidae, Galerucinae, Alticini). Zookeys 2017:103-120. [PMID: 29290728 PMCID: PMC5740446 DOI: 10.3897/zookeys.720.12715] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2017] [Accepted: 05/15/2017] [Indexed: 11/12/2022] Open
Abstract
Two new genera: Baoshanalticagen. n. and Sinosphaeragen. n., and two new species: Baoshanaltica minutasp. n. and Sinosphaera apterasp. n. from south-west China are described and illustrated. Baoshanaltica is compared to the allied moss-inhabiting genera Cangshanaltica Konstantinov et al. and Phaelota Jacoby, in addition to Minota Kutschera. Sinosphaera is compared to Sphaeroderma Stephens, Omeisphaera Chen & Zia, Jacobyana Maulik, and Kamala Maulik.
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Affiliation(s)
- Yongying Ruan
- Key Laboratory of Zoological Systematics and Evolution, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China.,Postdoctoral Innovation Practice Base (College of Applied Chemistry and Biological Technology), Shenzhen Polytechnic, Shenzhen, China
| | | | - K D Prathapan
- Department of Entomology, Kerala Agricultural University, Vellayani P.O., Trivandrum -695 522, Kerala, India
| | - Xingke Yang
- Key Laboratory of Zoological Systematics and Evolution, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China
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Konstantinov AS. Possible living fossil in Bolivia: A new genus of flea beetles with modified hind legs (Coleoptera, Chrysomelidae, Galerucinae, Alticini). Zookeys 2016:103-20. [PMID: 27408546 PMCID: PMC4926638 DOI: 10.3897/zookeys.592.8180] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2016] [Accepted: 04/12/2016] [Indexed: 11/12/2022] Open
Abstract
A new genus (Chanealtica) with three new species (Chanealtica cuevas, Chanealtica ellimon, and Chanealtica maxi) from Bolivia is described and illustrated. It is compared with Aphthonoides Jacoby, 1885, Argopistes Motschulsky, 1860, Metroserrapha Bechyne, 1958, Psylliodes Berthold, 1827 and Psyllototus Nadein, 2010. Remarkably, based on the available characters, among all the flea beetles, Chanealtica is mostly similar to an extinct genus Psyllototus. A discussion of diversity and function of the hind leg in flea beetles is provided.
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Affiliation(s)
- Alexander S Konstantinov
- Systematic Entomology Laboratory, USDA, ARS, c/o Smithsonian Institution, National Museum of Natural History, MRC 168, Washington DC, USA
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Abstract
Ectopic adrenal cortical neoplasms are extremely rare. The authors describe their own case of intradural, extramedullary conus medullaris adenoma that occurred in a 55-year-old woman, which was clinically accompanied by lumbar pains, left leg numbness, and left foot weakness during 10 years. The mass was histologically composed of rounded and polygonal cell fields with rounded, regular nuclei and abundant eosinophilic and clear cytoplasm. There were no necroses or mitoses. The cells were immunohistochemically positive for cytokeratin AE1/3, vimentin, inhibin-α, melan-A, and synaptophysin. An ectopic adrenocortical adenoma was diagnosed after ruling out myxopapillary ependymoma, meningioma with oncocytic transformation, paraganglioma, metastatic renal cell carcinoma, and adrenal cortical carcinoma. In the opinion of most investigators, extra-adrenal tumors develop from ectopic adrenal cortical tissue. To date, only eight intraspinal adrenal cortical tumors have been described. These tumors should be considered in the differential diagnosis of central nervous system masses located in the lower spinal canal.
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Affiliation(s)
- A S Konstantinov
- Saint Petersburg Clinical Research and Practice Center of Specialized Medical Care in Oncology, St. Petersburg
| | - K V Shelekhova
- Saint Petersburg Clinical Research and Practice Center of Specialized Medical Care in Oncology, St. Petersburg; N.N. Petrov Research Institute of Oncology, Ministry of Health of Russia, St. Petersburg, Russia
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Konstantinov AS, Linzmeier AM, Clark SM, Ivie MA. Review of the West Indian genus Monotalla Bechyné (Coleoptera, Chrysomelidae, Galerucinae, Alticini) with description of five new species. Zookeys 2015:117-36. [PMID: 26052242 PMCID: PMC4453239 DOI: 10.3897/zookeys.505.9434] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2015] [Accepted: 05/06/2015] [Indexed: 11/12/2022] Open
Abstract
The West Indian genus Monotalla Bechyné is reviewed, redescribed and illustrated. Five new species are added: Monotalladominica sp. n. (Dominica); Monotallalecticofolia sp. n. (St. Lucia); Monotallamaierae sp. n. (St. Lucia); Monotallaobrienorum sp. n. (Grenada); and Monotallaviridis sp. n. (St. Lucia). A key to Monotalla species is provided.
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Affiliation(s)
- Alexander S Konstantinov
- Systematic Entomology Laboratory, USDA, ARS, c/o Smithsonian Institution, P.O. Box 37012, National Museum of Natural History, Washington, DC, 20013-7012, USA
| | - Adelita M Linzmeier
- Universidade Federal da Fronteira Sul-UFFS, Rua Edmundo Gaievski, 1000, 85.770-000, Realeza-PR, Brazil
| | - Shawn M Clark
- Monte L. Bean Life Science Museum, Brigham Young University, Provo, Utah 84602, USA
| | - Michael A Ivie
- Montana Entomology Collection, Marsh Lab Rm 50, 1911 West Lincoln Street, Montana State University Bozeman, MT 59717, USA
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Ruan Y, Konstantinov AS, Ge S, Yang X. Revision of Chaetocnemasemicoerulea species-group (Coleoptera, Chrysomelidae, Galerucinae, Alticini) in China, with descriptions of three new species. Zookeys 2014:57-74. [PMID: 25589862 PMCID: PMC4294301 DOI: 10.3897/zookeys.463.8147] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2014] [Accepted: 11/04/2014] [Indexed: 11/12/2022] Open
Abstract
Chinese species of Chaetocnemasemicoerulea group are revised and three new species described as new: Chaetocnemasalixis sp. n., Chaetocnemayulongensis sp. n. and Chaetocnemadeqinensis sp. n.. A key to all five species of this group occurring in China and the illustrations of habitus and genitalia are provided. A map of species distribution is given.
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Affiliation(s)
- Yongying Ruan
- Key Laboratory of Zoological Systematics and Evolution, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China ; University of Chinese Academy of Sciences, Beijing, 100039, China
| | | | - Siqin Ge
- Key Laboratory of Zoological Systematics and Evolution, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China
| | - Xingke Yang
- Key Laboratory of Zoological Systematics and Evolution, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China
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Ruan Y, Konstantinov AS, Ge S, Yang X. Revision of the Chaetocnema picipes species-group (Coleoptera, Chrysomelidae, Galerucinae, Alticini) in China, with descriptions of three new species. Zookeys 2014:11-32. [PMID: 24693217 PMCID: PMC3970057 DOI: 10.3897/zookeys.387.6672] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2013] [Accepted: 01/26/2014] [Indexed: 11/24/2022] Open
Abstract
The Chinese Chaetocnema picipes species-group is revised. It contains 5 species including 3 new species: C. chenisp. n., C. constrictasp. n. and C. kingpinensissp. n. The lectotype of C. fortecostata is designated. A key to all known species of this group from China and the illustrations of habitus and genitalia are provided. A distribution map of species is given.
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Affiliation(s)
- Yongying Ruan
- Key Laboratory of Zoological Systematics and Evolution, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China ; University of Chinese Academy of Sciences, Beijing, 100039, China
| | | | - Siqin Ge
- Key Laboratory of Zoological Systematics and Evolution, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China
| | - Xingke Yang
- Key Laboratory of Zoological Systematics and Evolution, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China
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Prathapan KD, Konstantinov AS, Shameem KM, Balan AP. First record of leaf-hole shelters used and modified by leaf beetles (Coleoptera, Chrysomelidae), with descriptions of two new Orthaltica Crotch species from southern India. Zookeys 2013; 336:47-59. [PMID: 24146572 PMCID: PMC3800779 DOI: 10.3897/zookeys.336.5435] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2013] [Accepted: 08/14/2013] [Indexed: 11/12/2022] Open
Abstract
Behavioural novelties observed in adult leaf beetles of two new Orthaltica Crotch species include: 1) the use of low cost leaf-hole shelters, either in pre-formed holes produced by larger beetles that fed on the same leaf, or artificially created holes as part of an experiment; and 2) the use of faeces to partition the hole. Two new southern Indian species of the genus Orthaltica are described and illustrated: Orthaltica syzygium and Orthaltica terminalia. Host plants are identified for both species. A key to the Indian species of Orthaltica is provided.
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Tishechkin AK, Konstantinov AS, Bista S, Pemberton RW, Center TD. Review of the continental Oriental species of Lilioceris Reitter (Coleoptera, Chrysomelidae, Criocerinae) closely related to Lilioceris impressa (F.). Zookeys 2011:63-83. [PMID: 21747681 PMCID: PMC3131069 DOI: 10.3897/zookeys.103.983] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2011] [Accepted: 04/20/2011] [Indexed: 11/30/2022] Open
Abstract
Criocerine leaf beetles found in Nepal feeding on Dioscorea bulbifera (L.), an invasive weed of Asian origin, were identified as Lilioceris cheni Gressitt and Kimoto based on a synopsis of the Oriental Lilioceris species and review of the Lilioceris impressa species group. All the continental, Oriental species included in the group are diagnosed and illustrated, and a key for their identification is provided. Species status of Lilioceris thibetana Pic, 1916 is resurrected. The following new synonyms are proposed: Lilioceris coomani (Pic, 1928) = Lilioceris egena (Weise, 1922), and Lilioceris subcostata (Pic, 1921a), Lilioceris laticornis (Gressit, 1942), Lilioceris inflaticornis Gressit & Kimoto, 1961, and Lilioceris maai Gressit & Kimoto, 1961 = Lilioceris impressa (Fabricius, 1787). Lectotypes of the following species are designated: Lilioceris coomani Pic, 1928; Lilioceris impressa (Fabricius, 1787); Lilioceris laosensis (Pic, 1916); Lilioceris malabarica (Jacoby, 1904); Lilioceris ruficornis (Pic, 1921b); Lilioceris subcostata (Pic, 1921a); Lilioceris thibetana (Pic, 1916); and Lilioceris unicolor (Hope, 1831).
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Affiliation(s)
- Alexey K Tishechkin
- Department of Invertebrate Zoology, Santa Barbara Museum of Natural History, 2559 Puesta del Sol Rd., Santa Barbara, CA 93105 USA
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Chamorro ML, Konstantinov AS. Cachiporrini, a remarkable new tribe of Lamprosomatinae (Coleoptera, Chrysomelidae) from South America. Zookeys 2011; 78:43-60. [PMID: 21594156 PMCID: PMC3088058 DOI: 10.3897/zookeys.78.980] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2010] [Accepted: 11/05/2011] [Indexed: 11/22/2022] Open
Abstract
A new genus and species of Lamprosomatinae, Cachiporra extremaglobosa Chamorro & Konstantinov, is described from Brazil. A new tribe, Cachiporrini, is proposed. The first phylogenetic analysis of Lamprosomatinae based on adult morphological caharacters is conducted. Comparisons are made among lamprosomatine tribes and genera. A key to tribes is provided.
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Affiliation(s)
- Maria Lourdes Chamorro
- Department of Entomology, National Museum of Natural History, Smithsonian Institution, P.O. Box 37012, MRC-187, Washington, DC, 20013-7012
| | - Alexander S. Konstantinov
- Systematic Entomology Laboratory, USDA, NMNH, Smithsonian Institution, P.O. Box 37012, MRC-168, Washington, DC, 20013-7012
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Adams J, Adler C, Aggarwal MM, Ahammed Z, Amonett J, Anderson BD, Anderson M, Arkhipkin D, Averichev GS, Badyal SK, Balewski J, Barannikova O, Barnby LS, Baudot J, Bekele S, Belaga VV, Bellwied R, Berger J, Bezverkhny BI, Bhardwaj S, Bhaskar P, Bhati AK, Bichsel H, Billmeier A, Bland LC, Blyth CO, Bonner BE, Botje M, Boucham A, Brandin A, Bravar A, Cadman RV, Cai XZ, Caines H, Calderón de la Barca Sánchez M, Carroll J, Castillo J, Castro M, Cebra D, Chaloupka P, Chattopadhyay S, Chen HF, Chen Y, Chernenko SP, Cherney M, Chikanian A, Choi B, Christie W, Coffin JP, Cormier TM, Cramer JG, Crawford HJ, Das D, Das S, Derevschikov AA, Didenko L, Dietel T, Dong X, Draper JE, Du F, Dubey AK, Dunin VB, Dunlop JC, Dutta Majumdar MR, Eckardt V, Efimov LG, Emelianov V, Engelage J, Eppley G, Erazmus B, Estienne M, Fachini P, Faine V, Faivre J, Fatemi R, Filimonov K, Filip P, Finch E, Fisyak Y, Flierl D, Foley KJ, Fu J, Gagliardi CA, Ganti MS, Gutierrez TD, Gagunashvili N, Gans J, Gaudichet L, Germain M, Geurts F, Ghazikhanian V, Ghosh P, Gonzalez JE, Grachov O, Grigoriev V, Gronstal S, Grosnick D, Guedon M, Guertin SM, Gupta A, Gushin E, Hallman TJ, Hardtke D, Harris JW, Heinz M, Henry TW, Heppelmann S, Herston T, Hippolyte B, Hirsch A, Hjort E, Hoffmann GW, Horsley M, Huang HZ, Huang SL, Humanic TJ, Igo G, Ishihara A, Jacobs P, Jacobs WW, Janik M, Johnson I, Jones PG, Judd EG, Kabana S, Kaneta M, Kaplan M, Keane D, Kiryluk J, Kisiel A, Klay J, Klein SR, Klyachko A, Koetke DD, Kollegger T, Konstantinov AS, Kopytine M, Kotchenda L, Kovalenko AD, Kramer M, Kravtsov P, Krueger K, Kuhn C, Kulikov AI, Kumar A, Kunde GJ, Kunz CL, Kutuev RK, Kuznetsov AA, Lamont MAC, Landgraf JM, Lange S, Lansdell CP, Lasiuk B, Laue F, Lauret J, Lebedev A, Lednický R, Leontiev VM, LeVine MJ, Li C, Li Q, Lindenbaum SJ, Lisa MA, Liu F, Liu L, Liu Z, Liu QJ, Ljubicic T, Llope WJ, Long H, Longacre RS, Lopez-Noriega M, Love WA, Ludlam T, Lynn D, Ma J, Ma YG, Magestro D, Mahajan S, Mangotra LK, Mahapatra DP, Majka R, Manweiler R, Margetis S, Markert C, Martin L, Marx J, Matis HS, Matulenko YA, McShane TS, Meissner F, Melnick Y, Meschanin A, Messer M, Miller ML, Milosevich Z, Minaev NG, Mironov C, Mishra D, Mitchell J, Mohanty B, Molnar L, Moore CF, Mora-Corral MJ, Morozov V, de Moura MM, Munhoz MG, Nandi BK, Nayak SK, Nayak TK, Nelson JM, Nevski P, Nikitin VA, Nogach LV, Norman B, Nurushev SB, Odyniec G, Ogawa A, Okorokov V, Oldenburg M, Olson D, Paic G, Pandey SU, Pal SK, Panebratsev Y, Panitkin SY, Pavlinov AI, Pawlak T, Perevoztchikov V, Peryt W, Petrov VA, Phatak SC, Picha R, Planinic M, Pluta J, Porile N, Porter J, Poskanzer AM, Potekhin M, Potrebenikova E, Potukuchi BVKS, Prindle D, Pruneau C, Putschke J, Rai G, Rakness G, Raniwala R, Raniwala S, Ravel O, Ray RL, Razin SV, Reichhold D, Reid JG, Renault G, Retiere F, Ridiger A, Ritter HG, Roberts JB, Rogachevski OV, Romero JL, Rose A, Roy C, Ruan LJ, Sahoo R, Sakrejda I, Salur S, Sandweiss J, Savin I, Schambach J, Scharenberg RP, Schmitz N, Schroeder LS, Schweda K, Seger J, Seliverstov D, Seyboth P, Shahaliev E, Shao M, Sharma M, Shestermanov KE, Shimanskii SS, Singaraju RN, Simon F, Skoro G, Smirnov N, Snellings R, Sood G, Sorensen P, Sowinski J, Spinka HM, Srivastava B, Stanislaus S, Stock R, Stolpovsky A, Strikhanov M, Stringfellow B, Struck C, Suaide AAP, Sugarbaker E, Suire C, Sumbera M, Surrow B, Symons TJM, de Toledo AS, Szarwas P, Tai A, Takahashi J, Tang AH, Thein D, Thomas JH, Tikhomirov V, Tokarev M, Tonjes MB, Trainor TA, Trentalange S, Tribble RE, Trivedi MD, Trofimov V, Tsai O, Ullrich T, Underwood DG, Van Buren G, VanderMolen AM, Vasiliev AN, Vasiliev M, Vigdor SE, Viyogi YP, Voloshin SA, Waggoner W, Wang F, Wang G, Wang XL, Wang ZM, Ward H, Watson JW, Wells R, Westfall GD, Whitten C, Wieman H, Willson R, Wissink SW, Witt R, Wood J, Wu J, Xu N, Xu Z, Xu ZZ, Yakutin AE, Yamamoto E, Yang J, Yepes P, Yurevich VI, Zanevski YV, Zborovský I, Zhang H, Zhang HY, Zhang WM, Zhang ZP, Zołnierczuk PA, Zoulkarneev R, Zoulkarneeva J, Zubarev AN. Identified particle distributions in pp and Au+Au collisions at square root of (sNN)=200 GeV. Phys Rev Lett 2004; 92:112301. [PMID: 15089125 DOI: 10.1103/physrevlett.92.112301] [Citation(s) in RCA: 17] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/02/2003] [Indexed: 05/24/2023]
Abstract
Transverse mass and rapidity distributions for charged pions, charged kaons, protons, and antiprotons are reported for square root of [sNN]=200 GeV pp and Au+Au collisions at Relativistic Heary Ion Collider (RHIC). Chemical and kinetic equilibrium model fits to our data reveal strong radial flow and long duration from chemical to kinetic freeze-out in central Au+Au collisions. The chemical freeze-out temperature appears to be independent of initial conditions at RHIC energies.
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Affiliation(s)
- J Adams
- University of Birmingham, Birmingham, United Kingdom
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Adams J, Adler C, Aggarwal MM, Ahammed Z, Amonett J, Anderson BD, Anderson M, Arkhipkin D, Averichev GS, Badyal SK, Balewski J, Barannikova O, Barnby LS, Baudot J, Bekele S, Belaga VV, Bellwied R, Berger J, Bezverkhny BI, Bhardwaj S, Bhaskar P, Bhati AK, Bichsel H, Billmeier A, Bland LC, Blyth CO, Bonner BE, Botje M, Boucham A, Brandin A, Bravar A, Cadman RV, Cai XZ, Caines H, Calderón de la Barca Sánchez M, Carroll J, Castillo J, Castro M, Cebra D, Chaloupka P, Chattopadhyay S, Chen HF, Chen Y, Chernenko SP, Cherney M, Chikanian A, Choi B, Christie W, Coffin JP, Cormier TM, Cramer JG, Crawford HJ, Das D, Das S, Derevschikov AA, Didenko L, Dietel T, Dong X, Draper JE, Du F, Dubey AK, Dunin VB, Dunlop JC, Dutta Majumdar MR, Eckardt V, Efimov LG, Emelianov V, Engelage J, Eppley G, Erazmus B, Fachini P, Faine V, Faivre J, Fatemi R, Filimonov K, Filip P, Finch E, Fisyak Y, Flierl D, Foley KJ, Fu J, Gagliardi CA, Ganti MS, Gutierrez TD, Gagunashvili N, Gans J, Gaudichet L, Germain M, Geurts F, Ghazikhanian V, Ghosh P, Gonzalez JE, Grachov O, Grigoriev V, Gronstal S, Grosnick D, Guedon M, Guertin SM, Gupta A, Gushin E, Hallman TJ, Hardtke D, Harris JW, Heinz M, Henry TW, Heppelmann S, Herston T, Hippolyte B, Hirsch A, Hjort E, Hoffmann GW, Horsley M, Huang HZ, Huang SL, Humanic TJ, Igo G, Ishihara A, Jacobs P, Jacobs WW, Janik M, Johnson I, Jones PG, Judd EG, Kabana S, Kaneta M, Kaplan M, Keane D, Kiryluk J, Kisiel A, Klay J, Klein SR, Klyachko A, Koetke DD, Kollegger T, Konstantinov AS, Kopytine M, Kotchenda L, Kovalenko AD, Kramer M, Kravtsov P, Krueger K, Kuhn C, Kulikov AI, Kumar A, Kunde GJ, Kunz CL, Kutuev RK, Kuznetsov AA, Lamont MAC, Landgraf JM, Lange S, Lansdell CP, Lasiuk B, Laue F, Lauret J, Lebedev A, Lednický R, Leontiev VM, LeVine MJ, Li C, Li Q, Lindenbaum SJ, Lisa MA, Liu F, Liu L, Liu Z, Liu QJ, Ljubicic T, Llope WJ, Long H, Longacre RS, Lopez-Noriega M, Love WA, Ludlam T, Lynn D, Ma J, Ma YG, Magestro D, Mahajan S, Mangotra LK, Mahapatra DP, Majka R, Manweiler R, Margetis S, Markert C, Martin L, Marx J, Matis HS, Matulenko YA, McShane TS, Meissner F, Melnick Y, Meschanin A, Messer M, Miller ML, Milosevich Z, Minaev NG, Mironov C, Mishra D, Mitchell J, Mohanty B, Molnar L, Moore CF, Mora-Corral MJ, Morozov V, de Moura MM, Munhoz MG, Nandi BK, Nayak SK, Nayak TK, Nelson JM, Nevski P, Nikitin VA, Nogach LV, Norman B, Nurushev SB, Odyniec G, Ogawa A, Okorokov V, Oldenburg M, Olson D, Paic G, Pandey SU, Pal SK, Panebratsev Y, Panitkin SY, Pavlinov AI, Pawlak T, Perevoztchikov V, Peryt W, Petrov VA, Phatak SC, Picha R, Planinic M, Pluta J, Porile N, Porter J, Poskanzer AM, Potekhin M, Potrebenikova E, Potukuchi BVKS, Prindle D, Pruneau C, Putschke J, Rai G, Rakness G, Raniwala R, Raniwala S, Ravel O, Ray RL, Razin SV, Reichhold D, Reid JG, Renault G, Retiere F, Ridiger A, Ritter HG, Roberts JB, Rogachevski OV, Romero JL, Rose A, Roy C, Ruan LJ, Rykov V, Sahoo R, Sakrejda I, Salur S, Sandweiss J, Savin I, Schambach J, Scharenberg RP, Schmitz N, Schroeder LS, Schweda K, Seger J, Seliverstov D, Seyboth P, Shahaliev E, Shao M, Sharma M, Shestermanov KE, Shimanskii SS, Singaraju RN, Simon F, Skoro G, Smirnov N, Snellings R, Sood G, Sorensen P, Sowinski J, Spinka HM, Srivastava B, Stanislaus S, Stock R, Stolpovsky A, Strikhanov M, Stringfellow B, Struck C, Suaide AAP, Sugarbaker E, Suire C, Sumbera M, Surrow B, Symons TJM, Szanto de Toledo A, Szarwas P, Tai A, Takahashi J, Tang AH, Thein D, Thomas JH, Tikhomirov V, Tokarev M, Tonjes MB, Trainor TA, Trentalange S, Tribble RE, Trivedi MD, Trofimov V, Tsai O, Ullrich T, Underwood DG, Van Buren G, VanderMolen AM, Vasiliev AN, Vasiliev M, Vigdor SE, Viyogi YP, Voloshin SA, Waggoner W, Wang F, Wang G, Wang XL, Wang ZM, Ward H, Watson JW, Wells R, Westfall GD, Whitten C, Wieman H, Willson R, Wissink SW, Witt R, Wood J, Wu J, Xu N, Xu Z, Xu ZZ, Yakutin AE, Yamamoto E, Yang J, Yepes P, Yurevich VI, Zanevski YV, Zborovský I, Zhang H, Zhang HY, Zhang WM, Zhang ZP, Zołnierczuk PA, Zoulkarneev R, Zoulkarneeva J, Zubarev AN. Pion-Kaon correlations in central Au+Au collisions at square root [sNN] = 130 GeV. Phys Rev Lett 2003; 91:262302. [PMID: 14754044 DOI: 10.1103/physrevlett.91.262302] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/30/2003] [Indexed: 05/24/2023]
Abstract
Pion-kaon correlation functions are constructed from central Au+Au STAR data taken at sqrt[s(NN)]=130 GeV by the STAR detector at the Relativistic Heavy Ion Collider (RHIC). The results suggest that pions and kaons are not emitted at the same average space-time point. Space-momentum correlations, i.e., transverse flow, lead to a space-time emission asymmetry of pions and kaons that is consistent with the data. This result provides new independent evidence that the system created at RHIC undergoes a collective transverse expansion.
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Affiliation(s)
- J Adams
- University of Birmingham, Birmingham, United Kingdom
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Adams J, Adler C, Ahammed Z, Allgower C, Amonett J, Anderson BD, Anderson M, Arkhipkin D, Averichev GS, Balewski J, Barannikova O, Barnby LS, Baudot J, Bekele S, Belaga VV, Bellwied R, Berger J, Bichsel H, Billmeier A, Bland LC, Blyth CO, Bonner BE, Botje M, Boucham A, Brandin A, Bravar A, Cadman RV, Cai XZ, Caines H, Calderón de la Barca Sánchez M, Cardenas A, Carroll J, Castillo J, Castro M, Cebra D, Chaloupka P, Chattopadhyay S, Chen Y, Chernenko SP, Cherney M, Chikanian A, Choi B, Christie W, Coffin JP, Cormier TM, Mora Corral M, Cramer JG, Crawford HJ, Derevschikov AA, Didenko L, Dietel T, Draper JE, Dunin VB, Dunlop JC, Eckardt V, Efimov LG, Emelianov V, Engelage J, Eppley G, Erazmus B, Fachini P, Faine V, Faivre J, Fatemi R, Filimonov K, Finch E, Fisyak Y, Flierl D, Foley KJ, Fu J, Gagliardi CA, Gagunashvili N, Gans J, Gaudichet L, Germain M, Geurts F, Ghazikhanian V, Grachov O, Guedon M, Guertin SM, Gushin E, Gutierrez TD, Hallman TJ, Hardtke D, Harris JW, Heinz M, Henry TW, Heppelmann S, Herston T, Hippolyte B, Hirsch A, Hjort E, Hoffmann GW, Horsley M, Huang HZ, Humanic TJ, Igo G, Ishihara A, Jacobs P, Jacobs WW, Janik M, Johnson I, Jones PG, Judd EG, Kabana S, Kaneta M, Kaplan M, Keane D, Kiryluk J, Kisiel A, Klay J, Klein SR, Klyachko A, Kollegger T, Konstantinov AS, Kopytine M, Kotchenda L, Kovalenko AD, Kramer M, Kravtsov P, Krueger K, Kuhn C, Kulikov AI, Kunde GJ, Kunz CL, Kutuev RK, Kuznetsov AA, Lamont MAC, Landgraf JM, Lange S, Lansdell CP, Lasiuk B, Laue F, Lauret J, Lebedev A, Lednický R, Leontiev VM, LeVine MJ, Li Q, Lindenbaum SJ, Lisa MA, Liu F, Liu L, Liu Z, Liu QJ, Ljubicic T, Llope WJ, Long H, Longacre RS, Lopez-Noriega M, Love WA, Ludlam T, Lynn D, Ma J, Ma YG, Magestro D, Majka R, Margetis S, Markert C, Martin L, Marx J, Matis HS, Matulenko YA, McShane TS, Meissner F, Melnick Y, Meschanin A, Messer M, Miller ML, Milosevich Z, Minaev NG, Mitchell J, Molnar L, Moore CF, Morozov V, de Moura MM, Munhoz MG, Nelson JM, Nevski P, Nikitin VA, Nogach LV, Norman B, Nurushev SB, Odyniec G, Ogawa A, Okorokov V, Oldenburg M, Olson D, Paic G, Pandey SU, Panebratsev Y, Panitkin SY, Pavlinov AI, Pawlak T, Perevoztchikov V, Peryt W, Petrov VA, Picha R, Planinic M, Pluta J, Porile N, Porter J, Poskanzer AM, Potrebenikova E, Prindle D, Pruneau C, Putschke J, Rai G, Rakness G, Ravel O, Ray RL, Razin SV, Reichhold D, Reid JG, Renault G, Retiere F, Ridiger A, Ritter HG, Roberts JB, Rogachevski OV, Romero JL, Rose A, Roy C, Rykov V, Sakrejda I, Salur S, Sandweiss J, Savin I, Schambach J, Scharenberg RP, Schmitz N, Schroeder LS, Schweda K, Seger J, Seyboth P, Shahaliev E, Shestermanov KE, Shimanskii SS, Simon F, Skoro G, Smirnov N, Snellings R, Sorensen P, Sowinski J, Spinka HM, Srivastava B, Stephenson EJ, Stock R, Stolpovsky A, Strikhanov M, Stringfellow B, Struck C, Suaide AAP, Sugarbaker E, Suire C, Sumbera M, Surrow B, Symons TJM, Szanto de Toledo A, Szarwas P, Tai A, Takahashi J, Tang AH, Thein D, Thomas JH, Thompson M, Timoshenko S, Tokarev M, Tonjes MB, Trainor TA, Trentalange S, Tribble RE, Trofimov V, Tsai O, Ullrich T, Underwood DG, Van Buren G, Vander Molen AM, Vasiliev AN, Vigdor SE, Voloshin SA, Vznuzdaev M, Wang F, Wang Y, Ward H, Watson JW, Wells R, Westfall GD, Whitten C, Wieman H, Willson R, Wissink SW, Witt R, Wood J, Xu N, Xu Z, Yakutin AE, Yamamoto E, Yang J, Yepes P, Yurevich VI, Zanevski YV, Zborovský I, Zhang H, Zhang WM, Zoulkarneev R, Zoulkarneeva J, Zubarev AN. Three-pion Hanbury Brown-Twiss correlations in relativistic heavy-ion collisions from the STAR experiment. Phys Rev Lett 2003; 91:262301. [PMID: 14754043 DOI: 10.1103/physrevlett.91.262301] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/21/2003] [Indexed: 05/24/2023]
Abstract
Data from the first physics run at the Relativistic Heavy-Ion Collider at Brookhaven National Laboratory, Au+Au collisions at sqrt[s(NN)]=130 GeV, have been analyzed by the STAR Collaboration using three-pion correlations with charged pions to study whether pions are emitted independently at freeze-out. We have made a high-statistics measurement of the three-pion correlation function and calculated the normalized three-particle correlator to obtain a quantitative measurement of the degree of chaoticity of the pion source. It is found that the degree of chaoticity seems to increase with increasing particle multiplicity.
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Affiliation(s)
- J Adams
- University of Birmingham, Birmingham, United Kingdom
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Konstantinov AS, Pushkar' VI, Aver'ianova OV. [The effect of the fluctuations of abiotic factors on the metabolism of some hydrobionts]. Izv Akad Nauk Ser Biol 2003:728-34. [PMID: 14994478] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 04/29/2023]
Abstract
It has been shown that slight sinusoidal fluctuations of temperature, salinity, and oxygen concentration optimize the growth and energy metabolism of the crustacean Leander modestus, mollusks Pila sp., and hydrophyte Elodea canadensis. Under the effect of temperature fluctuations, the growth of E. canadensis accelerates, and the rate of photosynthesis increases.
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Affiliation(s)
- A S Konstantinov
- Biological Faculty, Moscow State University, Vorob'evy gory, Moscow, 119899 Russia
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Adams J, Adler C, Aggarwal MM, Ahammed Z, Amonett J, Anderson BD, Anderson M, Arkhipkin D, Averichev GS, Badyal SK, Balewski J, Barannikova O, Barnby LS, Baudot J, Bekele S, Belaga VV, Bellwied R, Berger J, Bezverkhny BI, Bhardwaj S, Bhaskar P, Bhati AK, Bichsel H, Billmeier A, Bland LC, Blyth CO, Bonner BE, Botje M, Boucham A, Brandin A, Bravar A, Cadman RV, Cai XZ, Caines H, Calderón de la Barca Sánchez M, Carroll J, Castillo J, Castro M, Cebra D, Chaloupka P, Chattopadhyay S, Chen HF, Chen Y, Chernenko SP, Cherney M, Chikanian A, Choi B, Christie W, Coffin JP, Cormier TM, Cramer JG, Crawford HJ, Das D, Das S, Derevschikov AA, Didenko L, Dietel T, Dong X, Draper JE, Drees KA, Du F, Dubey AK, Dunin VB, Dunlop JC, Dutta Majumdar MR, Eckardt V, Efimov LG, Emelianov V, Engelage J, Eppley G, Erazmus B, Fachini P, Faine V, Faivre J, Fatemi R, Filimonov K, Filip P, Finch E, Fisyak Y, Flierl D, Foley KJ, Fu J, Gagliardi CA, Ganti MS, Gagunashvili N, Gans J, Gaudichet L, Germain M, Geurts F, Ghazikhanian V, Ghosh P, Gonzalez JE, Grachov O, Grigoriev V, Gronstal S, Grosnick D, Guedon M, Guertin SM, Gupta A, Gushin E, Gutierrez TD, Hallman TJ, Hardtke D, Harris JW, Heinz M, Henry TW, Heppelmann S, Herston T, Hippolyte B, Hirsch A, Hjort E, Hoffmann GW, Horsley M, Huang HZ, Huang SL, Humanic TJ, Igo G, Ishihara A, Jacobs P, Jacobs WW, Janik M, Johnson I, Jones PG, Judd EG, Kabana S, Kaneta M, Kaplan M, Keane D, Kiryluk J, Kisiel A, Klay J, Klein SR, Klyachko A, Kollegger T, Konstantinov AS, Kopytine M, Kotchenda L, Kovalenko AD, Kramer M, Kravtsov P, Krueger K, Kuhn C, Kulikov AI, Kumar A, Kunde GJ, Kunz CL, Kutuev RK, Kuznetsov AA, Lamont MAC, Landgraf JM, Lange S, Lansdell CP, Lasiuk B, Laue F, Lauret J, Lebedev A, Lednický R, Leontiev VM, LeVine MJ, Li C, Li Q, Lindenbaum SJ, Lisa MA, Liu F, Liu L, Liu Z, Liu QJ, Ljubicic T, Llope WJ, Long H, Longacre RS, Lopez-Noriega M, Love WA, Ludlam T, Lynn D, Ma J, Ma YG, Magestro D, Mahajan S, Mangotra LK, Mahapatra DP, Majka R, Manweiler R, Margetis S, Markert C, Martin L, Marx J, Matis HS, Matulenko YA, McShane TS, Meissner F, Melnick Y, Meschanin A, Messer M, Miller ML, Milosevich Z, Minaev NG, Mironov C, Mishra D, Mitchell J, Mohanty B, Molnar L, Moore CF, Mora-Corral MJ, Morozov V, de Moura MM, Munhoz MG, Nandi BK, Nayak SK, Nayak TK, Nelson JM, Nevski P, Nikitin VA, Nogach LV, Norman B, Nurushev SB, Odyniec G, Ogawa A, Okorokov V, Oldenburg M, Olson D, Paic G, Pandey SU, Pal SK, Panebratsev Y, Panitkin SY, Pavlinov AI, Pawlak T, Perevoztchikov V, Peryt W, Petrov VA, Phatak SC, Picha R, Planinic M, Pluta J, Porile N, Porter J, Poskanzer AM, Potekhin M, Potrebenikova E, Potukuchi BVKS, Prindle D, Pruneau C, Putschke J, Rai G, Rakness G, Raniwala R, Raniwala S, Ravel O, Ray RL, Razin SV, Reichhold D, Reid JG, Renault G, Retiere F, Ridiger A, Ritter HG, Roberts JB, Rogachevski OV, Romero JL, Rose A, Roy C, Ruan LJ, Rykov V, Sahoo R, Sakrejda I, Salur S, Sandweiss J, Savin I, Schambach J, Scharenberg RP, Schmitz N, Schroeder LS, Schweda K, Seger J, Seliverstov D, Seyboth P, Shahaliev E, Shao M, Sharma M, Shestermanov KE, Shimanskii SS, Singaraju RN, Simon F, Skoro G, Smirnov N, Snellings R, Sood G, Sorensen P, Sowinski J, Spinka HM, Srivastava B, Stanislaus S, Stock R, Stolpovsky A, Strikhanov M, Stringfellow B, Struck C, Suaide AAP, Sugarbaker E, Suire C, Sumbera M, Surrow B, Symons TJM, Szanto de Toledo A, Szarwas P, Tai A, Takahashi J, Tang AH, Thein D, Thomas JH, Tikhomirov V, Tokarev M, Tonjes MB, Trainor TA, Trentalange S, Tribble RE, Trivedi MD, Trofimov V, Tsai O, Ullrich T, Underwood DG, Van Buren G, VanderMolen AM, Vasiliev AN, Vasiliev M, Vigdor SE, Viyogi YP, Voloshin SA, Waggoner W, Wang F, Wang G, Wang XL, Wang ZM, Ward H, Watson JW, Wells R, Westfall GD, Whitten C, Wieman H, Willson R, Wissink SW, Witt R, Wood J, Wu J, Xu N, Xu Z, Xu ZZ, Yakutin AE, Yamamoto E, Yang J, Yepes P, Yurevich VI, Zanevski YV, Zborovský I, Zhang H, Zhang HY, Zhang WM, Zhang ZP, Zołnierczuk PA, Zoulkarneev R, Zoulkarneeva J, Zubarev AN. Transverse-momentum and collision-energy dependence of high-pT hadron suppression in Au+Au collisions at ultrarelativistic energies. Phys Rev Lett 2003; 91:172302. [PMID: 14611336 DOI: 10.1103/physrevlett.91.172302] [Citation(s) in RCA: 67] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/21/2003] [Revised: 09/03/2003] [Indexed: 05/24/2023]
Abstract
We report high statistics measurements of inclusive charged hadron production in Au+Au and p+p collisions at sqrt[s(NN)]=200 GeV. A large, approximately constant hadron suppression is observed in central Au+Au collisions for 5<p(T)<12 GeV/c. The collision energy dependence of the yields and the centrality and p(T) dependence of the suppression provide stringent constraints on theoretical models of suppression. Models incorporating initial-state gluon saturation or partonic energy loss in dense matter are largely consistent with observations. We observe no evidence of p(T)-dependent suppression, which may be expected from models incorporating jet attenuation in cold nuclear matter or scattering of fragmentation hadrons.
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Affiliation(s)
- J Adams
- University of Birmingham, Birmingham, United Kingdom
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Adams J, Adler C, Aggarwal MM, Ahammed Z, Amonett J, Anderson BD, Anderson M, Arkhipkin D, Averichev GS, Badyal SK, Balewski J, Barannikova O, Barnby LS, Baudot J, Bekele S, Belaga VV, Bellwied R, Berger J, Bezverkhny BI, Bhardwaj S, Bhaskar P, Bhati AK, Bichsel H, Billmeier A, Bland LC, Blyth CO, Bonner BE, Botje M, Boucham A, Brandin A, Bravar A, Cadman RV, Cai XZ, Caines H, Calderón de la Barca Sánchez M, Carroll J, Castillo J, Castro M, Cebra D, Chaloupka P, Chattopadhyay S, Chen HF, Chen Y, Chernenko SP, Cherney M, Chikanian A, Choi B, Christie W, Coffin JP, Cormier TM, Cramer JG, Crawford HJ, Das D, Das S, Derevschikov AA, Didenko L, Dietel T, Dong X, Draper JE, Du F, Dubey AK, Dunin VB, Dunlop JC, Dutta Majumdar MR, Eckardt V, Efimov LG, Emelianov V, Engelage J, Eppley G, Erazmus B, Fachini P, Faine V, Faivre J, Fatemi R, Filimonov K, Filip P, Finch E, Fisyak Y, Flierl D, Foley KJ, Fu J, Gagliardi CA, Ganti MS, Gagunashvili N, Gans J, Gaudichet L, Germain M, Geurts F, Ghazikhanian V, Ghosh P, Gonzalez JE, Grachov O, Grigoriev V, Gronstal S, Grosnick D, Guedon M, Guertin SM, Gupta A, Gushin E, Gutierrez TD, Hallman TJ, Hardtke D, Harris JW, Heinz M, Henry TW, Heppelmann S, Herston T, Hippolyte B, Hirsch A, Hjort E, Hoffmann GW, Horsley M, Huang HZ, Huang SL, Humanic TJ, Igo G, Ishihara A, Jacobs P, Jacobs WW, Janik M, Johnson I, Jones PG, Judd EG, Kabana S, Kaneta M, Kaplan M, Keane D, Kiryluk J, Kisiel A, Klay J, Klein SR, Klyachko A, Koetke DD, Kollegger T, Konstantinov AS, Kopytine M, Kotchenda L, Kovalenko AD, Kramer M, Kravtsov P, Krueger K, Kuhn C, Kulikov AI, Kumar A, Kunde GJ, Kunz CL, Kutuev RK, Kuznetsov AA, Lamont MAC, Landgraf JM, Lange S, Lansdell CP, Lasiuk B, Laue F, Lauret J, Lebedev A, Lednický R, Leontiev VM, LeVine MJ, Li C, Li Q, Lindenbaum SJ, Lisa MA, Liu F, Liu L, Liu Z, Liu QJ, Ljubicic T, Llope WJ, Long H, Longacre RS, Lopez-Noriega M, Love WA, Ludlam T, Lynn D, Ma J, Ma YG, Magestro D, Mahajan S, Mangotra LK, Mahapatra DP, Majka R, Manweiler R, Margetis S, Markert C, Martin L, Marx J, Matis HS, Matulenko YA, McShane TS, Meissner F, Melnick Y, Meschanin A, Messer M, Miller ML, Milosevich Z, Minaev NG, Mironov C, Mishra D, Mitchell J, Mohanty B, Molnar L, Moore CF, Mora-Corral MJ, Morozov V, de Moura MM, Munhoz MG, Nandi BK, Nayak SK, Nayak TK, Nelson JM, Nevski P, Nikitin VA, Nogach LV, Norman B, Nurushev SB, Odyniec G, Ogawa A, Okorokov V, Oldenburg M, Olson D, Paic G, Pandey SU, Pal SK, Panebratsev Y, Panitkin SY, Pavlinov AI, Pawlak T, Perevoztchikov V, Peryt W, Petrov VA, Phatak SC, Picha R, Planinic M, Pluta J, Porile N, Porter J, Poskanzer AM, Potekhin M, Potrebenikova E, Potukuchi BVKS, Prindle D, Pruneau C, Putschke J, Rai G, Rakness G, Raniwala R, Raniwala S, Ravel O, Ray RL, Razin SV, Reichhold D, Reid JG, Renault G, Retiere F, Ridiger A, Ritter HG, Roberts JB, Rogachevski OV, Romero JL, Rose A, Roy C, Ruan LJ, Rykov V, Sahoo R, Sakrejda I, Salur S, Sandweiss J, Savin I, Schambach J, Scharenberg RP, Schmitz N, Schroeder LS, Schweda K, Seger J, Seliverstov D, Seyboth P, Shahaliev E, Shao M, Sharma M, Shestermanov KE, Shimanskii SS, Singaraju RN, Simon F, Skoro G, Smirnov N, Snellings R, Sood G, Sorensen P, Sowinski J, Spinka HM, Srivastava B, Stanislaus S, Stock R, Stolpovsky A, Strikhanov M, Stringfellow B, Struck C, Suaide AAP, Sugarbaker E, Suire C, Sumbera M, Surrow B, Symons TJM, Szanto de Toledo A, Szarwas P, Tai A, Takahashi J, Tang AH, Thein D, Thomas JH, Tikhomirov V, Tokarev M, Tonjes MB, Trainor TA, Trentalange S, Tribble RE, Trivedi MD, Trofimov V, Tsai O, Ullrich T, Underwood DG, Van Buren G, VanderMolen AM, Vasiliev AN, Vasiliev M, Vigdor SE, Viyogi YP, Voloshin SA, Waggoner W, Wang F, Wang G, Wang XL, Wang ZM, Ward H, Watson JW, Wells R, Westfall GD, Whitten C, Wieman H, Willson R, Wissink SW, Witt R, Wood J, Wu J, Xu N, Xu Z, Xu ZZ, Yakutin AE, Yamamoto E, Yang J, Yepes P, Yurevich VI, Zanevski YV, Zborovský I, Zhang H, Zhang HY, Zhang WM, Zhang ZP, Zołnierczuk PA, Zoulkarneev R, Zoulkarneeva J, Zubarev AN. Evidence from d+Au measurements for final-state suppression of high-p(T) hadrons in Au+Au collisions at RHIC. Phys Rev Lett 2003; 91:072304. [PMID: 12935009 DOI: 10.1103/physrevlett.91.072304] [Citation(s) in RCA: 35] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/18/2003] [Revised: 08/08/2003] [Indexed: 05/24/2023]
Abstract
We report measurements of single-particle inclusive spectra and two-particle azimuthal distributions of charged hadrons at high transverse momentum (high p(T)) in minimum bias and central d+Au collisions at sqrt[s(NN)]=200 GeV. The inclusive yield is enhanced in d+Au collisions relative to binary-scaled p+p collisions, while the two-particle azimuthal distributions are very similar to those observed in p+p collisions. These results demonstrate that the strong suppression of the inclusive yield and back-to-back correlations at high p(T) previously observed in central Au+Au collisions are due to final-state interactions with the dense medium generated in such collisions.
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Affiliation(s)
- J Adams
- University of Birmingham, Birmingham, United Kingdom
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Adams J, Adler C, Ahammed Z, Allgower C, Amonett J, Anderson BD, Anderson M, Averichev GS, Balewski J, Barannikova O, Barnby LS, Baudot J, Bekele S, Belaga VV, Bellwied R, Berger J, Bichsel H, Billmeier A, Bland LC, Blyth CO, Bonner BE, Boucham A, Brandin A, Bravar A, Cadman RV, Caines H, Calderónde la Barca Sánchez M, Cardenas A, Carroll J, Castillo J, Castro M, Cebra D, Chaloupka P, Chattopadhyay S, Chen Y, Chernenko SP, Cherney M, Chikanian A, Choi B, Christie W, Coffin JP, Cormier TM, Corral MM, Cramer JG, Crawford HJ, Derevschikov AA, Didenko L, Dietel T, Draper JE, Dunin VB, Dunlop JC, Eckardt V, Efimov LG, Emelianov V, Engelage J, Eppley G, Erazmus B, Fachini P, Faine V, Faivre J, Fatemi R, Filimonov K, Finch E, Fisyak Y, Flierl D, Foley KJ, Fu J, Gagliardi CA, Gagunashvili N, Gans J, Gaudichet L, Germain M, Geurts F, Ghazikhanian V, Grachov O, Grigoriev V, Guedon M, Guertin SM, Gushin E, Hallman TJ, Hardtke D, Harris JW, Heinz M, Henry TW, Heppelmann S, Herston T, Hippolyte B, Hirsch A, Hjort E, Hoffmann GW, Horsley M, Huang HZ, Humanic TJ, Igo G, Ishihara A, Ivanshin YI, Jacobs P, Jacobs WW, Janik M, Johnson I, Jones PG, Judd EG, Kaneta M, Kaplan M, Keane D, Kiryluk J, Kisiel A, Klay J, Klein SR, Klyachko A, Kollegger T, Konstantinov AS, Kopytine M, Kotchenda L, Kovalenko AD, Kramer M, Kravtsov P, Krueger K, Kuhn C, Kulikov AI, Kunde GJ, Kunz CL, Kutuev RK, Kuznetsov AA, Lamont MAC, Landgraf JM, Lange S, Lansdell CP, Lasiuk B, Laue F, Lauret J, Lebedev A, Lednický R, Leontiev VM, LeVine MJ, Li Q, Lindenbaum SJ, Lisa MA, Liu F, Liu L, Liu Z, Liu QJ, Ljubicic T, Llope WJ, Long H, Longacre RS, Lopez-Noriega M, Love WA, Ludlam T, Lynn D, Ma J, Magestro D, Majka R, Margetis S, Markert C, Martin L, Marx J, Matis HS, Matulenko YA, McShane TS, Meissner F, Melnick Y, Meschanin A, Messer M, Miller ML, Milosevich Z, Minaev NG, Mitchell J, Moore CF, Morozov V, de Moura MM, Munhoz MG, Nelson JM, Nevski P, Nikitin VA, Nogach LV, Norman B, Nurushev SB, Odyniec G, Ogawa A, Okorokov V, Oldenburg M, Olson D, Paic G, Pandey SU, Panebratsev Y, Panitkin SY, Pavlinov AI, Pawlak T, Perevoztchikov V, Peryt W, Petrov VA, Planinic M, Pluta J, Porile N, Porter J, Poskanzer AM, Potrebenikova E, Prindle D, Pruneau C, Putschke J, Rai G, Rakness G, Ravel O, Ray RL, Razin SV, Reichhold D, Reid JG, Renault G, Retiere F, Ridiger A, Ritter HG, Roberts JB, Rogachevski OV, Romero JL, Rose A, Roy C, Rykov V, Sakrejda I, Salur S, Sandweiss J, Savin I, Schambach J, Scharenberg RP, Schmitz N, Schroeder LS, Schüttauf A, Schweda K, Seger J, Seliverstov D, Seyboth P, Shahaliev E, Shestermanov KE, Shimanskii SS, Simon F, Skoro G, Smirnov N, Snellings R, Sorensen P, Sowinski J, Spinka HM, Srivastava B, Stephenson EJ, Stock R, Stolpovsky A, Strikhanov M, Stringfellow B, Struck C, Suaide AAP, Sugarbaker E, Suire C, Sumbera M, Surrow B, Symons TJM, de Toledo AS, Szarwas P, Tai A, Takahashi J, Tang AH, Thein D, Thomas JH, Thompson M, Tikhomirov V, Tokarev M, Tonjes MB, Trainor TA, Trentalange S, Tribble RE, Trofimov V, Tsai O, Ullrich T, Underwood DG, Van Buren G, Vander Molen AM, Vasilevski IM, Vasiliev AN, Vigdor SE, Voloshin SA, Wang F, Ward H, Watson JW, Wells R, Westfall GD, Whitten C, Wieman H, Willson R, Wissink SW, Witt R, Wood J, Xu N, Xu Z, Yakutin AE, Yamamoto E, Yang J, Yepes P, Yurevich VI, Zanevski YV, Zborovský I, Zhang H, Zhang WM, Zoulkarneev R, Zubarev AN. Narrowing of the balance function with centrality in Au+Au collisions at the square root of SNN = 130 GeV. Phys Rev Lett 2003; 90:172301. [PMID: 12786068 DOI: 10.1103/physrevlett.90.172301] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/23/2003] [Indexed: 05/24/2023]
Abstract
The balance function is a new observable based on the principle that charge is locally conserved when particles are pair produced. Balance functions have been measured for charged particle pairs and identified charged pion pairs in Au+Au collisions at the square root of SNN = 130 GeV at the Relativistic Heavy Ion Collider using STAR. Balance functions for peripheral collisions have widths consistent with model predictions based on a superposition of nucleon-nucleon scattering. Widths in central collisions are smaller, consistent with trends predicted by models incorporating late hadronization.
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Affiliation(s)
- J Adams
- University of Birmingham, Birmingham, United Kingdom
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Adler C, Ahammed Z, Allgower C, Amonett J, Anderson BD, Anderson M, Averichev GS, Balewski J, Barannikova O, Barnby LS, Baudot J, Bekele S, Belaga VV, Bellwied R, Berger J, Bichsel H, Billmeier A, Bland LC, Blyth CO, Bonner BE, Boucham A, Brandin A, Bravar A, Cadman RV, Caines H, Calderón de la Barca Sánchez M, Cardenas A, Carroll J, Castillo J, Castro M, Cebra D, Chaloupka P, Chattopadhyay S, Chen Y, Chernenko SP, Cherney M, Chikanian A, Choi B, Christie W, Coffin JP, Cormier TM, Corral MM, Cramer JG, Crawford HJ, Derevschikov AA, Didenko L, Dietel T, Draper JE, Dunin VB, Dunlop JC, Eckardt V, Efimov LG, Emelianov V, Engelage J, Eppley G, Erazmus B, Fachini P, Faine V, Faivre J, Fatemi R, Filimonov K, Finch E, Fisyak Y, Flierl D, Foley KJ, Fu J, Gagliardi CA, Gagunashvili N, Gans J, Gaudichet L, Germain M, Geurts F, Ghazikhanian V, Grachov O, Grigoriev V, Guedon M, Gushin E, Hallman TJ, Hardtke D, Harris JW, Henry TW, Heppelmann S, Herston T, Hippolyte B, Hirsch A, Hjort E, Hoffmann GW, Horsley M, Huang HZ, Humanic TJ, Igo G, Ishihara A, Ivanshin YI, Jacobs P, Jacobs WW, Janik M, Johnson I, Jones PG, Judd EG, Kaneta M, Kaplan M, Keane D, Kiryluk J, Kisiel A, Klay J, Klein SR, Klyachko A, Kollegger T, Konstantinov AS, Kopytine M, Kotchenda L, Kovalenko AD, Kramer M, Kravtsov P, Krueger K, Kuhn C, Kulikov AI, Kunde GJ, Kunz CL, Kutuev RK, Kuznetsov AA, Lakehal-Ayat L, Lamont MAC, Landgraf JM, Lange S, Lansdell CP, Lasiuk B, Laue F, Lauret J, Lebedev A, Lednický R, Leontiev VM, LeVine MJ, Li Q, Lindenbaum SJ, Lisa MA, Liu F, Liu L, Liu Z, Liu QJ, Ljubicic T, Llope WJ, LoCurto G, Long H, Longacre RS, Lopez-Noriega M, Love WA, Ludlam T, Lynn D, Ma J, Magestro D, Majka R, Margetis S, Markert C, Martin L, Marx J, Matis HS, Matulenko YA, McShane TS, Meissner F, Melnick Y, Meschanin A, Messer M, Miller ML, Milosevich Z, Minaev NG, Mitchell J, Moore CF, Morozov V, de Moura MM, Munhoz MG, Nelson JM, Nevski P, Nikitin VA, Nogach LV, Norman B, Nurushev SB, Odyniec G, Ogawa A, Okorokov V, Oldenburg M, Olson D, Paic G, Pandey SU, Panebratsev Y, Panitkin SY, Pavlinov AI, Pawlak T, Perevoztchikov V, Peryt W, Petrov VA, Planinic M, Pluta J, Porile N, Porter J, Poskanzer AM, Potrebenikova E, Prindle D, Pruneau C, Putschke J, Rai G, Rakness G, Ravel O, Ray RL, Razin SV, Reichhold D, Reid JG, Renault G, Retiere F, Ridiger A, Ritter HG, Roberts JB, Rogachevski OV, Romero JL, Rose A, Roy C, Rykov V, Sakrejda I, Salur S, Sandweiss J, Savin I, Schambach J, Scharenberg RP, Schmitz N, Schroeder LS, Schüttauf A, Schweda K, Seger J, Seliverstov D, Seyboth P, Shahaliev E, Shestermanov KE, Shimanskii SS, Simon F, Skoro G, Smirnov N, Snellings R, Sorensen P, Sowinski J, Spinka HM, Srivastava B, Stephenson EJ, Stock R, Stolpovsky A, Strikhanov M, Stringfellow B, Struck C, Suaide AAP, Sugarbaker E, Suire C, Sumbera M, Surrow B, Symons TJM, Szanto de Toledo A, Szarwas P, Tai A, Takahashi J, Tang AH, Thein D, Thomas JH, Thompson M, Tikhomirov V, Tokarev M, Tonjes MB, Trainor TA, Trentalange S, Tribble RE, Trofimov V, Tsai O, Ullrich T, Underwood DG, Van Buren G, VanderMolen AM, Vasilevski IM, Vasiliev AN, Vigdor SE, Voloshin SA, Wang F, Ward H, Watson JW, Wells R, Westfall GD, Whitten C, Wieman H, Willson R, Wissink SW, Witt R, Wood J, Xu N, Xu Z, Yakutin AE, Yamamoto E, Yang J, Yepes P, Yurevich VI, Zanevski YV, Zborovský I, Zhang H, Zhang WM, Zoulkarneev R, Zubarev AN. Disappearance of back-to-back high-pT hadron correlations in central Au+Au collisions at sqrt[s NN ] =200 GeV. Phys Rev Lett 2003; 90:082302. [PMID: 12633419 DOI: 10.1103/physrevlett.90.082302] [Citation(s) in RCA: 47] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/25/2002] [Indexed: 05/24/2023]
Abstract
Azimuthal correlations for large transverse momentum charged hadrons have been measured over a wide pseudorapidity range and full azimuth in Au+Au and p+p collisions at sqrt[s(NN)]=200 GeV. The small-angle correlations observed in p+p collisions and at all centralities of Au+Au collisions are characteristic of hard-scattering processes previously observed in high-energy collisions. A strong back-to-back correlation exists for p+p and peripheral Au+Au. In contrast, the back-to-back correlations are reduced considerably in the most central Au+Au collisions, indicating substantial interaction as the hard-scattered partons or their fragmentation products traverse the medium.
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Affiliation(s)
- C Adler
- University of Frankfurt, Frankfurt, Germany
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Adler C, Ahammed Z, Allgower C, Amonett J, Anderson BD, Anderson M, Averichev GS, Balewski J, Barannikova O, Barnby LS, Baudot J, Bekele S, Belaga VV, Bellwied R, Berger J, Bichsel H, Billmeier A, Bland LC, Blyth CO, Bonner BE, Boucham A, Brandin A, Bravar A, Cadman RV, Caines H, Calderón De La Barca Sánchez M, Cardenas A, Carroll J, Castillo J, Castro M, Cebra D, Chaloupka P, Chattopadhyay S, Chen Y, Chernenko SP, Cherney M, Chikanian A, Choi B, Christie W, Coffin JP, Cormier TM, Cramer JG, Crawford HJ, Deng WS, Derevschikov AA, Didenko L, Dietel T, Draper JE, Dunin VB, Dunlop JC, Eckardt V, Efimov LG, Emelianov V, Engelage J, Eppley G, Erazmus B, Fachini P, Faine V, Faivre J, Filimonov K, Finch E, Fisyak Y, Flierl D, Foley KJ, Fu J, Gagliardi CA, Gagunashvili N, Gans J, Gaudichet L, Germain M, Geurts F, Ghazikhanian V, Grachov O, Grigoriev V, Guedon M, Gushin E, Hallman TJ, Hardtke D, Harris JW, Henry TW, Heppelmann S, Herston T, Hippolyte B, Hirsch A, Hjort E, Hoffmann GW, Horsley M, Huang HZ, Humanic TJ, Igo G, Ishihara A, Ivanshin YI, Jacobs P, Jacobs WW, Janik M, Johnson I, Jones PG, Judd EG, Kaneta M, Kaplan M, Keane D, Kiryluk J, Kisiel A, Klay J, Klein SR, Klyachko A, Konstantinov AS, Kopytine M, Kotchenda L, Kovalenko AD, Kramer M, Kravtsov P, Krueger K, Kuhn C, Kulikov AI, Kunde GJ, Kunz CL, Kutuev RK, Kuznetsov AA, Lakehal-Ayat L, Lamont MAC, Landgraf JM, Lange S, Lansdell CP, Lasiuk B, Laue F, Lauret J, Lebedev A, Lednický R, Leontiev VM, LeVine MJ, Li Q, Lindenbaum SJ, Lisa MA, Liu F, Liu L, Liu Z, Liu QJ, Ljubicic T, Llope WJ, LoCurto G, Long H, Longacre RS, Lopez-Noriega M, Love WA, Ludlam T, Lynn D, Ma J, Majka R, Margetis S, Markert C, Martin L, Marx J, Matis HS, Matulenko YA, McShane TS, Meissner F, Melnick Y, Meschanin A, Messer M, Miller ML, Milosevich Z, Minaev NG, Mitchell J, Moiseenko VA, Moore CF, Morozov V, De Moura MM, Munhoz MG, Nelson JM, Nevski P, Nikitin VA, Nogach LV, Norman B, Nurushev SB, Odyniec G, Ogawa A, Okorokov V, Oldenburg M, Olson D, Paic G, Pandey SU, Panebratsev Y, Panitkin SY, Pavlinov AI, Pawlak T, Perevoztchikov V, Peryt W, Petrov VA, Planinic M, Pluta J, Porile N, Porter J, Poskanzer AM, Potrebenikova E, Prindle D, Pruneau C, Putschke J, Rai G, Rakness G, Ravel O, Ray RL, Razin SV, Reichhold D, Reid JG, Renault G, Retiere F, Ridiger A, Ritter HG, Roberts JB, Rogachevski OV, Romero JL, Rose A, Roy C, Rykov V, Sakrejda I, Salur S, Sandweiss J, Saulys AC, Savin I, Schambach J, Scharenberg RP, Schmitz N, Schroeder LS, Schüttauf A, Schweda K, Seger J, Seliverstov D, Seyboth P, Shahaliev E, Shestermanov KE, Shimanskii SS, Shvetcov VS, Skoro G, Smirnov N, Snellings R, Sorensen P, Sowinski J, Spinka HM, Srivastava B, Stephenson EJ, Stock R, Stolpovsky A, Strikhanov M, Stringfellow B, Struck C, Suaide AAP, Sugarbaker E, Suire C, Sumbera M, Surrow B, Symons TJM, Szanto De Toledo A, Szarwas P, Tai A, Takahashi J, Tang AH, Thomas JH, Thompson M, Tikhomirov V, Tokarev M, Tonjes MB, Trainor TA, Trentalange S, Tribble RE, Trofimov V, Tsai O, Ullrich T, Underwood DG, Buren GV, VanderMolen AM, Vasilevski IM, Vasiliev AN, Vigdor SE, Voloshin SA, Wang F, Ward H, Watson JW, Wells R, Westfall GD, Whitten C, Wieman H, Willson R, Wissink SW, Witt R, Wood J, Xu N, Xu Z, Yakutin AE, Yamamoto E, Yang J, Yepes P, Yurevich VI, Zanevski YV, Zborovský I, Zhang H, Zhang WM, Zoulkarneev R, Zubarev AN. Azimuthal anisotropy and correlations in the hard scattering regime at RHIC. Phys Rev Lett 2003; 90:032301. [PMID: 12570484 DOI: 10.1103/physrevlett.90.032301] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/10/2002] [Indexed: 05/24/2023]
Abstract
Azimuthal anisotropy (v(2)) and two-particle angular correlations of high p(T) charged hadrons have been measured in Au+Au collisions at sqrt[s(NN)]=130 GeV for transverse momenta up to 6 GeV/c, where hard processes are expected to contribute significantly. The two-particle angular correlations exhibit elliptic flow and a structure suggestive of fragmentation of high p(T) partons. The monotonic rise of v(2)(p(T)) for p(T)<2 GeV/c is consistent with collective hydrodynamical flow calculations. At p(T)>3 GeV/c, a saturation of v(2) is observed which persists up to p(T)=6 GeV/c.
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Affiliation(s)
- C Adler
- University of Frankfurt, Frankfurt, Germany
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Adler C, Ahammed Z, Allgower C, Amonett J, Anderson BD, Anderson M, Averichev GS, Balewski J, Barannikova O, Barnby LS, Baudot J, Bekele S, Belaga VV, Bellwied R, Berger J, Bichsel H, Bland LC, Blyth CO, Bonner BE, Boucham A, Brandin A, Bravar A, Cadman RV, Caines H, Calderón de la Barca Sánchez M, Cardenas A, Carroll J, Castillo J, Castro M, Cebra D, Chaloupka P, Chattopadhyay S, Chen Y, Chernenko SP, Cherney M, Chikanian A, Choi B, Christie W, Coffin JP, Cormier TM, Cramer JG, Crawford HJ, Deng WS, Derevschikov AA, Didenko L, Dietel T, Draper JE, Dunin VB, Dunlop JC, Eckardt V, Efimov LG, Emelianov V, Engelage J, Eppley G, Erazmus B, Fachini P, Faine V, Filimonov K, Finch E, Fisyak Y, Flierl D, Foley KJ, Fu J, Gagliardi CA, Gagunashvili N, Gans J, Gaudichet L, Germain M, Geurts F, Ghazikhanian V, Grachov O, Grigoriev V, Guedon M, Gushin E, Hallman TJ, Hardtke D, Harris JW, Henry TW, Heppelmann S, Herston T, Hippolyte B, Hirsch A, Hjort E, Hoffmann GW, Horsley M, Huang HZ, Humanic TJ, Igo G, Ishihara A, Ivanshin YI, Jacobs P, Jacobs WW, Janik M, Johnson I, Jones PG, Judd EG, Kaneta M, Kaplan M, Keane D, Kiryluk J, Kisiel A, Klay J, Klein SR, Klyachko A, Konstantinov AS, Kopytine M, Kotchenda L, Kovalenko AD, Kramer M, Kravtsov P, Krueger K, Kuhn C, Kulikov AI, Kunde GJ, Kunz CL, Kutuev RK, Kuznetsov AA, Lakehal-Ayat L, Lamont MAC, Landgraf JM, Lange S, Lansdell CP, Lasiuk B, Laue F, Lebedev A, Lednický R, Leontiev VM, LeVine MJ, Li Q, Lindenbaum SJ, Lisa MA, Liu F, Liu L, Liu Z, Liu QJ, Ljubicic T, Llope WJ, LoCurto G, Long H, Longacre RS, Lopez-Noriega M, Love WA, Ludlam T, Lynn D, Ma J, Majka R, Margetis S, Markert C, Martin L, Marx J, Matis HS, Matulenko YA, McShane TS, Meissner F, Melnick Y, Meschanin A, Messer M, Miller ML, Milosevich Z, Minaev NG, Mitchell J, Moiseenko VA, Moore CF, Morozov V, de Moura MM, Munhoz MG, Nelson JM, Nevski P, Nikitin VA, Nogach LV, Norman B, Nurushev SB, Nystrand J, Odyniec G, Ogawa A, Okorokov V, Oldenburg M, Olson D, Paic G, Pandey SU, Panebratsev Y, Panitkin SY, Pavlinov AI, Pawlak T, Perevoztchikov V, Peryt W, Petrov VA, Planinic M, Pluta J, Porile N, Porter J, Poskanzer AM, Potrebenikova E, Prindle D, Pruneau C, Putschke J, Rai G, Rakness G, Ravel O, Ray RL, Razin SV, Reichhold D, Reid JG, Retiere F, Ridiger A, Ritter HG, Roberts JB, Rogachevski OV, Romero JL, Roy C, Rykov V, Sakrejda I, Salur S, Sandweiss J, Saulys AC, Savin I, Schambach J, Scharenberg RP, Schmitz N, Schroeder LS, Schüttauf A, Schweda K, Seger J, Seliverstov D, Seyboth P, Shahaliev E, Shestermanov KE, Shimanskii SS, Shvetcov VS, Skoro G, Smirnov N, Snellings R, Sorensen P, Sowinski J, Spinka HM, Srivastava B, Stephenson EJ, Stock R, Stolpovsky A, Strikhanov M, Stringfellow B, Struck C, Suaide AAP, Sugarbaker E, Suire C, Sumbera M, Surrow B, Symons TJM, Szanto de Toledo A, Szarwas P, Tai A, Takahashi J, Tang AH, Thomas JH, Thompson M, Tikhomirov V, Tokarev M, Tonjes MB, Trainor TA, Trentalange S, Tribble RE, Trofimov V, Tsai O, Ullrich T, Underwood DG, Van Buren G, VanderMolen AM, Vasilevski IM, Vasiliev AN, Vigdor SE, Voloshin SA, Wang F, Ward H, Watson JW, Wells R, Westfall GD, Whitten C, Wieman H, Willson R, Wissink SW, Witt R, Wood J, Xu N, Xu Z, Yakutin AE, Yamamoto E, Yang J, Yepes P, Yurevich VI, Zanevski YV, Zborovský I, Zhang H, Zhang WM, Zoulkarneev R, Zubarev AN. Coherent rho(0) production in ultraperipheral heavy-ion collisions. Phys Rev Lett 2002; 89:272302. [PMID: 12513197 DOI: 10.1103/physrevlett.89.272302] [Citation(s) in RCA: 19] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/07/2002] [Indexed: 05/24/2023]
Abstract
The STAR Collaboration reports the first observation of exclusive rho(0) photoproduction, AuAu-->AuAurho(0), and rho(0) production accompanied by mutual nuclear Coulomb excitation, AuAu-->Au*Au*rho(0), in ultraperipheral heavy-ion collisions. The rho(0) have low transverse momenta, consistent with coherent coupling to both nuclei. The cross sections at sqrt[s(NN)]=130 GeV agree with theoretical predictions treating rho(0) production and Coulomb excitation as independent processes.
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Affiliation(s)
- C Adler
- Argonne National Laboratory, Argonne, IL 60439, USA
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Adler C, Ahammed Z, Allgower C, Amonett J, Anderson BD, Anderson M, Averichev GS, Balewski J, Barannikova O, Barnby LS, Baudot J, Bekele S, Belaga VV, Bellwied R, Berger J, Bichsel H, Billmeier A, Bland LC, Blyth CO, Bonner BE, Boucham A, Brandin A, Bravar A, Cadman RV, Caines H, Calderón de la Barca Sánchez M, Cardenas A, Carroll J, Castillo J, Castro M, Cebra D, Chaloupka P, Chattopadhyay S, Chen Y, Chernenko SP, Cherney M, Chikanian A, Choi B, Christie W, Coffin JP, Cormier TM, Cramer JG, Crawford HJ, Deng WS, Derevschikov AA, Didenko L, Dietel T, Draper JE, Dunin VB, Dunlop JC, Eckardt V, Efimov LG, Emelianov V, Engelage J, Eppley G, Erazmus B, Fachini P, Faine V, Faivre J, Filimonov K, Finch E, Fisyak Y, Flierl D, Foley KJ, Fu J, Gagliardi CA, Gagunashvili N, Gans J, Gaudichet L, Germain M, Geurts F, Ghazikhanian V, Grachov O, Grigoriev V, Guedon M, Gushin E, Hallman TJ, Hardtke D, Harris JW, Henry TW, Heppelmann S, Herston T, Hippolyte B, Hirsch A, Hjort E, Hoffmann GW, Horsley M, Huang HZ, Humanic TJ, Igo G, Ishihara A, Ivanshin YI, Jacobs P, Jacobs WW, Janik M, Johnson I, Jones PG, Judd EG, Kaneta M, Kaplan M, Keane D, Kiryluk J, Kisiel A, Klay J, Klein SR, Klyachko A, Konstantinov AS, Kopytine M, Kotchenda L, Kovalenko AD, Kramer M, Kravtsov P, Krueger K, Kuhn C, Kulikov AI, Kunde GJ, Kunz CL, Kutuev RK, Kuznetsov AA, Lakehal-Ayat L, Lamont MAC, Landgraf JM, Lange S, Lansdell CP, Lasiuk B, Laue F, Lauret J, Lebedev A, Lednický R, Leontiev VM, LeVine MJ, Li Q, Lindenbaum SJ, Lisa MA, Liu F, Liu L, Liu Z, Liu QJ, Ljubicic T, Llope WJ, LoCurto G, Long H, Longacre RS, Lopez-Noriega M, Love WA, Ludlam T, Lynn D, Ma J, Majka R, Margetis S, Markert C, Martin L, Marx J, Matis HS, Matulenko YA, McShane TS, Meissner F, Melnick Y, Meschanin A, Messer M, Miller ML, Milosevich Z, Minaev NG, Mitchell J, Moiseenko VA, Moore CF, Morozov V, de Moura MM, Munhoz MG, Nelson JM, Nevski P, Nikitin VA, Nogach LV, Norman B, Nurushev SB, Odyniec G, Ogawa A, Okorokov V, Oldenburg M, Olson D, Paic G, Pandey SU, Panebratsev Y, Panitkin SY, Pavlinov AI, Pawlak T, Perevoztchikov V, Peryt W, Petrov VA, Planinic M, Pluta J, Porile N, Porter J, Poskanzer AM, Potrebenikova E, Prindle D, Pruneau C, Putschke J, Rai G, Rakness G, Ravel O, Ray RL, Razin SV, Reichhold D, Reid JG, Renault G, Retiere F, Ridiger A, Ritter HG, Roberts JB, Rogachevski OV, Romero JL, Rose A, Roy C, Rykov V, Sakrejda I, Salur S, Sandweiss J, Saulys AC, Savin I, Schambach J, Scharenberg RP, Schmitz N, Schroeder LS, Schüttauf A, Schweda K, Seger J, Seliverstov D, Seyboth P, Shahaliev E, Shestermanov KE, Shimanskii SS, Shvetcov VS, Skoro G, Smirnov N, Snellings R, Sorensen P, Sowinski J, Spinka HM, Srivastava B, Stephenson EJ, Stock R, Stolpovsky A, Strikhanov M, Stringfellow B, Struck C, Suaide AAP, Sugarbaker E, Suire C, Sumbera M, Surrow B, Symons TJM, Szanto de Toledo A, Szarwas P, Tai A, Takahashi J, Tang AH, Thomas JH, Thompson M, Tikhomirov V, Tokarev M, Tonjes MB, Trainor TA, Trentalange S, Tribble RE, Trofimov V, Tsai O, Ullrich T, Underwood DG, Van Buren G, VanderMolen AM, Vasilevski IM, Vasiliev AN, Vigdor SE, Voloshin SA, Wang F, Ward H, Watson JW, Wells R, Westfall GD, Whitten C, Wieman H, Willson R, Wissink SW, Witt R, Wood J, Xu N, Xu Z, Yakutin AE, Yamamoto E, Yang J, Yepes P, Yurevich VI, Zanevski YV, Zborovský I, Zhang H, Zhang WM, Zoulkarneev R, Zubarev AN. Centrality dependence of high-p(T) hadron suppression in Au+Au collisions at sqrt[s(NN)]=130 GeV. Phys Rev Lett 2002; 89:202301. [PMID: 12443470 DOI: 10.1103/physrevlett.89.202301] [Citation(s) in RCA: 61] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/18/2002] [Indexed: 05/24/2023]
Abstract
Inclusive transverse momentum distributions of charged hadrons within 0.2<p(T)<6.0 GeV/c have been measured over a broad range of centrality for Au+Au collisions at sqrt[s(NN)]=130 GeV. Hadron yields are suppressed at high p(T) in central collisions relative to peripheral collisions and to a nucleon-nucleon reference scaled for collision geometry. Peripheral collisions are not suppressed relative to the nucleon-nucleon reference. The suppression varies continuously at intermediate centralities. The results indicate significant nuclear medium effects on high-p(T) hadron production in heavy-ion collisions at high energy.
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Affiliation(s)
- C Adler
- Argonna National Laboratory, Argonne, Illinois 60439, USA
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Adler C, Ahammed Z, Allgower C, Amonett J, Anderson BD, Anderson M, Averichev GS, Balewski J, Barannikova O, Barnby LS, Baudot J, Bekele S, Belaga VV, Bellwied R, Berger J, Bichsel H, Billmeier A, Bland LC, Blyth CO, Bonner BE, Boucham A, Brandin A, Bravar A, Cadman RV, Caines H, Calderón de la Barca Sánchez M, Cardenas A, Carroll J, Castillo J, Castro M, Cebra D, Chaloupka P, Chattopadhyay S, Chen Y, Chernenko SP, Cherney M, Chikanian A, Choi B, Christie W, Coffin JP, Cormier TM, Cramer JG, Crawford HJ, Deng WS, Derevschikov AA, Didenko L, Dietel T, Draper JE, Dunin VB, Dunlop JC, Eckardt V, Efimov LG, Emelianov V, Engelage J, Eppley G, Erazmus B, Fachini P, Faine V, Filimonov K, Finch E, Fisyak Y, Flierl D, Foley KJ, Fu J, Gagliardi CA, Gagunashvili N, Gans J, Gaudichet L, Germain M, Geurts F, Ghazikhanian V, Grachov O, Grigoriev V, Guedon M, Gushin E, Hallman TJ, Hardtke D, Harris JW, Henry TW, Heppelmann S, Herston T, Hippolyte B, Hirsch A, Hjort E, Hoffmann GW, Horsley M, Huang HZ, Humanic TJ, Igo G, Ishihara A, Ivanshin YI, Jacobs P, Jacobs WW, Janik M, Johnson I, Jones PG, Judd EG, Kaneta M, Kaplan M, Keane D, Kiryluk J, Kisiel A, Klay J, Klein SR, Klyachko A, Konstantinov AS, Kopytine M, Kotchenda L, Kovalenko AD, Kramer M, Kravtsov P, Krueger K, Kuhn C, Kulikov AI, Kunde GJ, Kunz CL, Kutuev RK, Kuznetsov AA, Lakehal-Ayat L, Lamont MAC, Landgraf JM, Lange S, Lansdell CP, Lasiuk B, Laue F, Lebedev A, Lednický R, Leontiev VM, LeVine MJ, Li Q, Lindenbaum SJ, Lisa MA, Liu F, Liu L, Liu Z, Liu QJ, Ljubicic T, Llope WJ, LoCurto G, Long H, Longacre RS, Lopez-Noriega M, Love WA, Ludlam T, Lynn D, Ma J, Majka R, Margetis S, Markert C, Martin L, Marx J, Matis HS, Matulenko YA, McShane TS, Meissner F, Melnick Y, Meschanin A, Messer M, Miller ML, Milosevich Z, Minaev NG, Mitchell J, Moiseenko VA, Moore CF, Morozov V, de Moura MM, Munhoz MG, Nelson JM, Nevski P, Nikitin VA, Nogach LV, Norman B, Nurushev SB, Odyniec G, Ogawa A, Okorokov V, Oldenburg M, Olson D, Paic G, Pandey SU, Panebratsev Y, Panitkin SY, Pavlinov AI, Pawlak T, Perevoztchikov V, Peryt W, Petrov VA, Planinic M, Pluta J, Porile N, Porter J, Poskanzer AM, Potrebenikova E, Prindle D, Pruneau C, Putschke J, Rai G, Rakness G, Ravel O, Ray RL, Razin SV, Reichhold D, Reid JG, Retiere F, Ridiger A, Ritter HG, Roberts JB, Rogachevski OV, Romero JL, Rose A, Roy C, Rykov V, Sakrejda I, Salur S, Sandweiss J, Saulys AC, Savin I, Schambach J, Scharenberg RP, Schmitz N, Schroeder LS, Schüttauf A, Schweda K, Seger J, Seliverstov D, Seyboth P, Shahaliev E, Shestermanov KE, Shimanskii SS, Shvetcov VS, Skoro G, Smirnov N, Snellings R, Sorensen P, Sowinski J, Spinka HM, Srivastava B, Stephenson EJ, Stock R, Stolpovsky A, Strikhanov M, Stringfellow B, Struck C, Suaide AAP, Sugarbaker E, Suire C, Sumbera M, Surrow B, Symons TJM, Szanto de Toledo A, Szarwas P, Tai A, Takahashi J, Tang AH, Thomas JH, Thompson M, Tikhomirov V, Tokarev M, Tonjes MB, Trainor TA, Trentalange S, Tribble RE, Trofimov V, Tsai O, Ullrich T, Underwood DG, Van Buren G, VanderMolen AM, Vasilevski IM, Vasiliev AN, Vigdor SE, Voloshin SA, Wang F, Ward H, Watson JW, Wells R, Westfall GD, Whitten C, Wieman H, Willson R, Wissink SW, Witt R, Wood J, Xu N, Xu Z, Yakutin AE, Yamamoto E, Yang J, Yepes P, Yurevich VI, Zanevski YV, Zborovský I, Zhang H, Zhang WM, Zoulkarneev R, Zubarev AN. Azimuthal anisotropy of K(0)(S) and Lambda+Lambda production at midrapidity from Au+Au collisions at sqrt[s(NN)]=130 GeV. Phys Rev Lett 2002; 89:132301. [PMID: 12225018 DOI: 10.1103/physrevlett.89.132301] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/13/2002] [Indexed: 05/23/2023]
Abstract
We report STAR results on the azimuthal anisotropy parameter v(2) for strange particles K(0)(S), Lambda, and Lambda at midrapidity in Au+Au collisions at sqrt[s(NN)]=130 GeV at the Relativistic Heavy Ion Collider. The value of v(2) as a function of transverse momentum, p(t), of the produced particle and collision centrality is presented for both particles up to p(t) approximately 3.0 GeV/c. A strong p(t) dependence in v(2) is observed up to 2.0 GeV/c. The v(2) measurement is compared with hydrodynamic model calculations. The physics implications of the p(t) integrated v(2) magnitude as a function of particle mass are also discussed.
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Affiliation(s)
- C Adler
- University of Frankfurt, Frankfurt, Germany
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Adler C, Ahammed Z, Allgower C, Amonett J, Anderson BD, Anderson M, Averichev GS, Balewski J, Barannikova O, Barnby LS, Baudot J, Bekele S, Belaga VV, Bellwied R, Berger J, Bichsel H, Billmeier A, Bland LC, Blyth CO, Bonner BE, Boucham A, Brandin A, Bravar A, Cadman RV, Caines H, Calderón de la Barca Sánchez M, Cardenas A, Carroll J, Castillo J, Castro M, Cebra D, Chaloupka P, Chattopadhyay S, Chen Y, Chernenko SP, Cherney M, Chikanian A, Choi B, Christie W, Coffin JP, Cormier TM, Cramer JG, Crawford HJ, Deng WS, Derevschikov AA, Didenko L, Dietel T, Draper JE, Dunin VB, Dunlop JC, Eckardt V, Efimov LG, Emelianov V, Engelage J, Eppley G, Erazmus B, Fachini P, Faine V, Faivre J, Filimonov K, Finch E, Fisyak Y, Flierl D, Foley KJ, Fu J, Gagliardi CA, Gagunashvili N, Gans J, Gaudichet L, Germain M, Geurts F, Ghazikhanian V, Grachov O, Grigoriev V, Guedon M, Gushin E, Hallman TJ, Hardtke D, Harris JW, Henry TW, Heppelmann S, Herston T, Hippolyte B, Hirsch A, Hjort E, Hoffmann GW, Horsley M, Huang HZ, Humanic TJ, Igo G, Ishihara A, Ivanshin YI, Jacobs P, Jacobs WW, Janik M, Johnson I, Jones PG, Judd EG, Kaneta M, Kaplan M, Keane D, Kiryluk J, Kisiel A, Klay J, Klein SR, Klyachko A, Konstantinov AS, Kopytine M, Kotchenda L, Kovalenko AD, Kramer M, Kravtsov P, Krueger K, Kuhn C, Kulikov AI, Kunde GJ, Kunz CL, Kutuev RK, Kuznetsov AA, Lakehal-Ayat L, Lamont MAC, Landgraf JM, Lange S, Lansdell CP, Lasiuk B, Laue F, Lauret J, Lebedev A, Lednický R, Leontiev VM, LeVine MJ, Li Q, Lindenbaum SJ, Lisa MA, Liu F, Liu L, Liu Z, Liu QJ, Ljubicic T, Llope WJ, LoCurto G, Long H, Longacre RS, Lopez-Noriega M, Love WA, Ludlam T, Lynn D, Ma J, Majka R, Margetis S, Markert C, Martin L, Marx J, Matis HS, Matulenko YA, McShane TS, Meissner F, Melnick Y, Meschanin A, Messer M, Miller ML, Milosevich Z, Minaev NG, Mitchell J, Moiseenko VA, Moore CF, Morozov V, de Moura MM, Munhoz MG, Nelson JM, Nevski P, Nikitin VA, Nogach LV, Norman B, Nurushev SB, Odyniec G, Ogawa A, Okorokov V, Oldenburg M, Olson D, Paic G, Pandey SU, Panebratsev Y, Panitkin SY, Pavlinov AI, Pawlak T, Perevoztchikov V, Peryt W, Petrov VA, Planinic M, Pluta J, Porile N, Porter J, Poskanzer AM, Potrebenikova E, Prindle D, Pruneau C, Putschke J, Rai G, Rakness G, Ravel O, Ray RL, Razin SV, Reichhold D, Reid JG, Renault G, Retiere F, Ridiger A, Ritter HG, Roberts JB, Rogachevski OV, Romero JL, Rose A, Roy C, Rykov V, Sakrejda I, Salur S, Sandweiss J, Saulys AC, Savin I, Schambach J, Scharenberg RP, Schmitz N, Schroeder LS, Schüttauf A, Schweda K, Seger J, Seliverstov D, Seyboth P, Shahaliev E, Shestermanov KE, Shimanskii SS, Shvetcov VS, Skoro G, Smirnov N, Snellings R, Sorensen P, Sowinski J, Spinka HM, Srivastava B, Stephenson EJ, Stock R, Stolpovsky A, Strikhanov M, Stringfellow B, Struck C, Suaide AAP, Sugarbaker E, Suire C, Sumbera M, Surrow B, Symons TJM, de Toledo AS, Szarwas P, Tai A, Takahashi J, Tang AH, Thomas JH, Thompson M, Tikhomirov V, Tokarev M, Tonjes MB, Trainor TA, Trentalange S, Tribble RE, Trofimov V, Tsai O, Ullrich T, Underwood DG, Van Buren G, VanderMolen AM, Vasilevski IM, Vasiliev AN, Vigdor SE, Voloshin SA, Wang F, Ward H, Watson JW, Wells R, Westfall GD, Whitten C, Wieman H, Willson R, Wissink SW, Witt R, Wood J, Xu N, Xu Z, Yakutin AE, Yamamoto E, Yang J, Yepes P, Yurevich VI, Zanevski YV, Zborovský I, Zhang H, Zhang WM, Zoulkarneev R, Zubarev AN. Midrapidity Lambda and Lambda(macro) production in Au+Au collisions at the square root of [s(NN)]=130 GeV. Phys Rev Lett 2002; 89:092301. [PMID: 12190390 DOI: 10.1103/physrevlett.89.092301] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/22/2002] [Indexed: 05/23/2023]
Abstract
We report the first measurement of strange (Lambda) and antistrange (Lambda macro) baryon production from square root of [s(NN)]=130 GeV Au+Au collisions at the Relativistic Heavy Ion Collider (RHIC). Rapidity density and transverse mass distributions at midrapidity are presented as a function of centrality. The yield of Lambda and Lambda; hyperons is found to be approximately proportional to the number of negative hadrons. The production of Lambda; hyperons relative to negative hadrons increases very rapidly with transverse momentum. The magnitude of the increase cannot be described by existing hadronic string fragmentation models alone.
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Affiliation(s)
- C Adler
- University of Frankfurt, Frankfurt, Germany
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Konstantinov AS, Zdanovich VV, Pushkar' VI, Solov'eva EA. [Effect of lighting oscillations on growth and energetics of the goldfish Carassius auratus]. Izv Akad Nauk Ser Biol 2002:209-13. [PMID: 11963548] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 04/18/2023]
Abstract
Periodic oscillations of illumination exert a positive, rather than negative, effect on goldfish growth and energetics. In a variable light regime, the fishes grow of a higher rate, have decreased oxygen and food requirements, improve the utilization of consumed food for growth, and decrease the oxygen expenditure per increment of unit body mass. The goldfish reactions to the frequency of illumination oscillation and the succession of the stationary light regime by the oscillatory regime were described.
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Affiliation(s)
- A S Konstantinov
- Biological Faculty, Moscow State University, Vorob'evy gory, Moscow, 119899 Russia
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Adler C, Ahammed Z, Allgower C, Amonett J, Anderson BD, Anderson M, Averichev GS, Balewski J, Barannikova O, Barnby LS, Baudot J, Bekele S, Belaga VV, Bellwied R, Berger J, Bichsel H, Bland LC, Blyth CO, Bonner BE, Boucham A, Brandin A, Cadman RV, Caines H, Calderón de la Barca Sánchez M, Cardenas A, Carroll J, Castillo J, Castro M, Cebra D, Chattopadhyay S, Chen ML, Chen Y, Chernenko SP, Cherney M, Chikanian A, Choi B, Christie W, Coffin JP, Cormier TM, Cramer JG, Crawford HJ, DeMello M, Deng WS, Derevschikov AA, Didenko L, Draper JE, Dunin VB, Dunlop JC, Eckardt V, Efimov LG, Emelianov V, Engelage J, Eppley G, Erazmus B, Fachini P, Faine V, Filimonov K, Finch E, Fisyak Y, Flierl D, Foley KJ, Fu J, Gagliardi CA, Gagunashvili N, Gans J, Gaudichet L, Germain M, Geurts F, Ghazikhanian V, Grabski J, Grachov O, Grigoriev V, Guedon M, Gushin E, Hallman TJ, Hardtke D, Harris JW, Heffner M, Heppelmann S, Herston T, Hippolyte B, Hirsch A, Hjort E, Hoffmann GW, Horsley M, Huang HZ, Humanic TJ, Hümmler H, Igo G, Ishihara A, Ivanshin YI, Jacobs P, Jacobs WW, Janik M, Johnson I, Jones PG, Judd E, Kaneta M, Kaplan M, Keane D, Kisiel A, Klay J, Klein SR, Klyachko A, Konstantinov AS, Kotchenda L, Kovalenko AD, Kramer M, Kravtsov P, Krueger K, Kuhn C, Kulikov AI, Kunde GJ, Kunz CL, Kutuev RK, Kuznetsov AA, Lakehal-Ayat L, Lamas-Valverde J, Lamont MA, Landgraf JM, Lange S, Lansdell CP, Lasiuk B, Laue F, Lebedev A, Lednický R, Leontiev VM, LeVine MJ, Li Q, Lindenbaum SJ, Lisa MA, Liu F, Liu L, Liu Z, Liu QJ, Ljubicic T, Llope WJ, LoCurto G, Long H, Longacre RS, Lopez-Noriega M, Love WA, Lynn D, Majka R, Margetis S, Martin L, Marx J, Matis HS, Matulenko YA, McShane TS, Meissner F, Melnick Y, Meschanin A, Messer M, Miller ML, Milosevich Z, Minaev NG, Mitchell J, Moiseenko VA, Moore CF, Morozov V, de Moura MM, Munhoz MG, Mutchler GS, Nelson JM, Nevski P, Nikitin VA, Nogach LV, Norman B, Nurushev SB, Odyniec G, Ogawa A, Okorokov V, Oldenburg M, Olson D, Paic G, Pandey SU, Panebratsev Y, Panitkin SY, Pavlinov AI, Pawlak T, Perevoztchikov V, Peryt W, Petrov VA, Platner E, Pluta J, Porile N, Porter J, Poskanzer AM, Potrebenikova E, Prindle D, Pruneau C, Radomski S, Rai G, Ravel O, Ray RL, Razin SV, Reichhold D, Reid JG, Retiere F, Ridiger A, Ritter HG, Roberts JB, Rogachevski OV, Romero JL, Roy C, Rykov V, Sakrejda I, Sandweiss J, Saulys AC, Savin I, Schambach J, Scharenberg RP, Schmitz N, Schroeder LS, Schüttauf A, Schweda K, Seger J, Seliverstov D, Seyboth P, Shahaliev E, Shestermanov KE, Shimanskii SS, Shvetcov VS, Skoro G, Smirnov N, Snellings R, Sowinski J, Spinka HM, Srivastava B, Stephenson EJ, Stock R, Stolpovsky A, Strikhanov M, Stringfellow B, Struck C, Suaide AA, Sugarbaker E, Suire C, Sumbera M, Symons TJ, de Toledo AS, Szarwas P, Takahashi J, Tang AH, Thomas JH, Thompson M, Tikhomirov V, Trainor TA, Trentalange S, Tribble RE, Tokarev M, Tonjes MB, Trofimov V, Tsai O, Turner K, Ullrich T, Underwood DG, Van Buren G, VanderMolen AM, Vanyashin A, Vasilevski IM, Vasiliev AN, Vigdor SE, Voloshin SA, Wang F, Ward H, Watson JW, Wells R, Wenaus T, Westfall GD, Whitten C, Wieman H, Willson R, Wissink SW, Witt R, Xu N, Xu Z, Yakutin AE, Yamamoto E, Yang J, Yepes P, Yurevich VI, Zanevski YV, Zborovský I, Zhang H, Zhang WM, Zoulkarneev R, Zubarev AN. Measurement of inclusive antiprotons from Au+Au collisions at square root of s(NN) = 130 GeV. Phys Rev Lett 2001; 87:262302. [PMID: 11800830 DOI: 10.1103/physrevlett.87.262302] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/20/2001] [Indexed: 05/23/2023]
Abstract
We report the first measurement of inclusive antiproton production at midrapidity in Au+Au collisions at square root of s(NN) = 130 GeV by the STAR experiment at RHIC. The antiproton transverse mass distributions in the measured transverse momentum range of 0.25<p( perpendicular)<0.95 GeV/c are found to fall less steeply for more central collisions. The extrapolated antiproton rapidity density is found to scale approximately with the negative hadron multiplicity density.
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Affiliation(s)
- C Adler
- University of Frankfurt, Frankfurt, Germany
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Adler C, Ahammed Z, Allgower C, Amonett J, Anderson BD, Anderson M, Averichev GS, Balewski J, Barannikova O, Barnby LS, Baudot J, Bekele S, Belaga VV, Bellwied R, Berger J, Bichsel H, Bland LC, Blyth CO, Bonner BE, Boucham A, Brandin A, Cadman RV, Caines H, Calderón de la Barca Sánchez M, Cardenas A, Carroll J, Castillo J, Castro M, Cebra D, Chattopadhyay S, Chen ML, Chen Y, Chernenko SP, Cherney M, Chikanian A, Choi B, Christie W, Coffin JP, Cormier TM, Cramer JG, Crawford HJ, DeMello M, Deng WS, Derevschikov AA, Didenko L, Draper JE, Dunin VB, Dunlop JC, Eckardt V, Efimov LG, Emelianov V, Engelage J, Eppley G, Erazmus B, Fachini P, Faine V, Finch E, Fisyak Y, Flierl D, Foley KJ, Fu J, Gagunashvili N, Gans J, Gaudichet L, Germain M, Geurts F, Ghazikhanian V, Grabski J, Grachov O, Greiner D, Grigoriev V, Guedon M, Gushin E, Hallman TJ, Hardtke D, Harris JW, Heffner M, Heppelmann S, Herston T, Hippolyte B, Hirsch A, Hjort E, Hoffmann GW, Horsley M, Huang HZ, Humanic TJ, Hümmler H, Igo G, Ishihara A, Ivanshin YI, Jacobs P, Jacobs WW, Janik M, Johnson I, Jones PG, Judd E, Kaneta M, Kaplan M, Keane D, Kisiel A, Klay J, Klein SR, Klyachko A, Konstantinov AS, Kotchenda L, Kovalenko AD, Kramer M, Kravtsov P, Krueger K, Kuhn C, Kulikov AI, Kunde GJ, Kunz CL, Kutuev RK, Kuznetsov AA, Lakehal-Ayat L, Lamas-Valverde J, Lamont MA, Landgraf JM, Lange S, Lansdell CP, Lasiuk B, Laue F, Lebedev A, LeCompte T, Lednický R, Leontiev VM, LeVine MJ, Li Q, Li Q, Lindenbaum SJ, Lisa MA, Ljubicic T, Llope WJ, LoCurto G, Long H, Longacre RS, Lopez-Noriega M, Love WA, Lynn D, Majka R, Margetis S, Martin L, Marx J, Matis HS, Matulenko YA, McShane TS, Meissner F, Melnick Y, Meschanin A, Messer M, Miller ML, Milosevich Z, Minaev NG, Mitchell J, Moiseenko VA, Moltz D, Moore CF, Morozov V, de Moura MM, Munhoz MG, Mutchler GS, Nelson JM, Nevski P, Nikitin VA, Nogach LV, Norman B, Nurushev SB, Odyniec G, Ogawa A, Okorokov V, Oldenburg M, Olson D, Paic G, Pandey SU, Panebratsev Y, Panitkin SY, Pavlinov AI, Pawlak T, Perevoztchikov V, Peryt W, Petrov VA, Platner E, Pluta J, Porile N, Porter J, Poskanzer AM, Potrebenikova E, Prindle D, Pruneau C, Radomski S, Rai G, Ravel O, Ray RL, Razin SV, Reichhold D, Reid JG, Retiere F, Ridiger A, Ritter HG, Roberts JB, Rogachevski OV, Romero JL, Roy C, Russ D, Rykov V, Sakrejda I, Sandweiss J, Saulys AC, Savin I, Schambach J, Scharenberg RP, Schmitz N, Schroeder LS, Schüttauf A, Schweda K, Seger J, Seliverstov D, Seyboth P, Shahaliev E, Shestermanov KE, Shimanskii SS, Shvetcov VS, Skoro G, Smirnov N, Snellings R, Sowinski J, Spinka HM, Srivastava B, Stephenson EJ, Stock R, Stolpovsky A, Strikhanov M, Stringfellow B, Struck C, Suaide AA, Sugarbaker E, Suire C, Sumbera M, Symons TJ, de Toledo AS, Szarwas P, Takahashi J, Tang AH, Thomas JH, Tikhomirov V, Trainor TA, Trentalange S, Tokarev M, Tonjes MB, Trofimov V, Tsai O, Turner K, Ullrich T, Underwood DG, Van Buren G, VanderMolen AM, Vanyashin A, Vasilevski IM, Vasiliev AN, Vigdor SE, Voloshin SA, Wang F, Ward H, Watson JW, Wells R, Wenaus T, Westfall GD, Whitten C, Wieman H, Willson R, Wissink SW, Witt R, Xu N, Xu Z, Yakutin AE, Yamamoto E, Yang J, Yepes P, Yokosawa A, Yurevich VI, Zanevski YV, Zborovský I, Zhang H, Zhang WM, Zoulkarneev R, Zubarev AN. d Macro and (3)He macro production in square root of s(NN) = 130 GeV Au+Au collisions. Phys Rev Lett 2001; 87:262301. [PMID: 11800829 DOI: 10.1103/physrevlett.87.262301] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/20/2001] [Indexed: 05/23/2023]
Abstract
The first measurements of light antinucleus production in Au+Au collisions at the Relativistic Heavy-Ion Collider are reported. The observed production rates for d macro and (3)He macro are much larger than in lower energy nucleus-nucleus collisions. A coalescence model analysis of the yields indicates that there is little or no increase in the antinucleon freeze-out volume compared to collisions at CERN SPS energy. These analyses also indicate that the (3)He macro freeze-out volume is smaller than the d macro freeze-out volume.
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Affiliation(s)
- C Adler
- University of Frankfurt, Frankfurt, Germany
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Adler C, Ahammed Z, Allgower C, Amonett J, Anderson BD, Anderson M, Averichev GS, Balewski J, Barannikova O, Barnby LS, Baudot J, Bekele S, Belaga VV, Bellwied R, Berger J, Bichsel H, Bland LC, Blyth CO, Bonner BE, Bossingham R, Boucham A, Brandin A, Caines H, Calderón De La Barca Sánchez M, Cardenas A, Carroll J, Castillo J, Castro M, Cebra D, Chattopadhyay S, Chen ML, Chen Y, Chernenko SP, Cherney M, Chikanian A, Choi B, Christie W, Coffin JP, Conin L, Cormier TM, Cramer JG, Crawford HJ, DeMello M, Deng WS, Derevschikov AA, Didenko L, Draper JE, Dunin VB, Dunlop JC, Eckardt V, Efimov LG, Emelianov V, Engelage J, Eppley G, Erazmus B, Fachini P, Finch E, Fisyak Y, Flierl D, Foley KJ, Fu J, Gagunashvili N, Gans J, Gaudichet L, Germain M, Geurts F, Ghazikhanian V, Grabski J, Grachov O, Greiner D, Grigoriev V, Guedon M, Gushin E, Hallman TJ, Hardtke D, Harris JW, Heffner M, Heppelmann S, Herston T, Hippolyte B, Hirsch A, Hjort E, Hoffmann GW, Horsley M, Huang HZ, Humanic TJ, Hümmler H, Igo G, Ishihara A, Ivanshin YI, Jacobs P, Jacobs WW, Janik M, Johnson I, Jones PG, Judd E, Kaneta M, Kaplan M, Keane D, Kisiel A, Klay J, Klein SR, Klyachko A, Konstantinov AS, Kotchenda L, Kovalenko AD, Kramer M, Kravtsov P, Krueger K, Kuhn C, Kulikov AI, Kunde GJ, Kunz CL, Kutuev RK, Kuznetsov AA, Lakehal-Ayat L, Lamas-Valverde J, Lamont MA, Landgraf JM, Lange S, Lansdell CP, Lasiuk B, Laue F, Lebedev A, LeCompte T, Lednický R, Leontiev VM, Leszczynski P, LeVine MJ, Li Q, Li Q, Lindenbaum SJ, Lisa MA, Ljubicic T, Llope WJ, LoCurto G, Long H, Longacre RS, Lopez-Noriega M, Love WA, Lynn D, Majka R, Maliszewski A, Margetis S, Martin L, Marx J, Matis HS, Matulenko YA, McShane TS, Meissner F, Melnick Y, Meschanin A, Messer M, Miller ML, Milosevich Z, Minaev NG, Mitchell J, Moiseenko VA, Moltz D, Moore CF, Morozov V, de Moura MM, Munhoz MG, Mutchler GS, Nelson JM, Nevski P, Nikitin VA, Nogach LV, Norman B, Nurushev SB, Odyniec G, Ogawa A, Okorokov V, Oldenburg M, Olson D, Paic G, Pandey SU, Panebratsev Y, Panitkin SY, Pavlinov AI, Pawlak T, Perevoztchikov V, Peryt W, Petrov VA, Pinganaud W, Platner E, Pluta J, Porile N, Porter J, Poskanzer AM, Potrebenikova E, Prindle D, Pruneau C, Radomski S, Rai G, Ravel O, Ray RL, Razin SV, Reichhold D, Reid JG, Retiere F, Ridiger A, Ritter HG, Roberts JB, Rogachevski OV, Romero JL, Roy C, Russ D, Rykov V, Sakrejda I, Sandweiss J, Saulys AC, Savin I, Schambach J, Scharenberg RP, Schweda K, Schmitz N, Schroeder LS, Schüttauf A, Seger J, Seliverstov D, Seyboth P, Shahaliev E, Shestermanov KE, Shimanskii SS, Shvetcov VS, Skoro G, Smirnov N, Snellings R, Sowinski J, Spinka HM, Srivastava B, Stephenson EJ, Stock R, Stolpovsky A, Strikhanov M, Stringfellow B, Stroebele H, Struck C, Suaide AA, Sugarbaker E, Suire C, Sumbera M, Symons TJ, Szanto De Toledo A, Szarwas P, Takahashi J, Tang AH, Thomas JH, Tikhomirov V, Trainor TA, Trentalange S, Tokarev M, Tonjes MB, Trofimov V, Tsai O, Turner K, Ullrich T, Underwood DG, Van Buren G, VanderMolen AM, Vanyashin A, Vasilevski IM, Vasiliev AN, Vigdor SE, Voloshin SA, Wang F, Ward H, Watson JW, Wells R, Wenaus T, Westfall GD, Whitten C, Wieman H, Willson R, Wissink SW, Witt R, Xu N, Xu Z, Yakutin AE, Yamamoto E, Yang J, Yepes P, Yokosawa A, Yurevich VI, Zanevski YV, Zborovský I, Zhang WM, Zoulkarneev R, Zubarev AN. Multiplicity distribution and spectra of negatively charged hadrons in Au+Au collisions at square root of (sNN) = 130 GeV. Phys Rev Lett 2001; 87:112303. [PMID: 11531517 DOI: 10.1103/physrevlett.87.112303] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/02/2001] [Indexed: 05/23/2023]
Abstract
The minimum-bias multiplicity distribution and the transverse momentum and pseudorapidity distributions for central collisions have been measured for negative hadrons ( h(-)) in Au+Au interactions at square root of ([s(NN)]) = 130 GeV. The multiplicity density at midrapidity for the 5% most central interactions is dN(h(-))/d(eta)/(eta = 0) = 280+/-1(stat)+/-20(syst), an increase per participant of 38% relative to pp collisions at the same energy. The mean transverse momentum is 0.508+/-0.012 GeV/c and is larger than in central Pb+Pb collisions at lower energies. The scaling of the h(-) yield per participant is a strong function of p( perpendicular). The pseudorapidity distribution is almost constant within /eta/<1.
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Affiliation(s)
- C Adler
- University of Frankfurt, Frankfurt, Germany
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Adler C, Ahammed Z, Allgower C, Amonett J, Anderson BD, Anderson M, Averichev GS, Balewski J, Barannikova O, Barnby LS, Baudot J, Bekele S, Belaga VV, Bellwied R, Berger J, Bichsel H, Bland LC, Blyth CO, Bonner BE, Bossingham R, Boucham A, Brandin A, Cadman RV, Caines H, Calderón De La Barca Sánchez M, Cardenas A, Carroll J, Castillo J, Castro M, Cebra D, Chattopadhyay S, Chen ML, Chen Y, Chernenko SP, Cherney M, Chikanian A, Choi B, Christie W, Coffin JP, Conin L, Cormier TM, Cramer JG, Crawford HJ, DeMello M, Deng WS, Derevschikov AA, Didenko L, Draper JE, Dunin VB, Dunlop JC, Eckardt V, Efimov LG, Emelianov V, Engelage J, Eppley G, Erazmus B, Fachini P, Faine V, Finch E, Fisyak Y, Flierl D, Foley KJ, Fu J, Gagunashvili N, Gans J, Gaudichet L, Germain M, Geurts F, Ghazikhanian V, Grabski J, Grachov O, Greiner D, Grigoriev V, Guedon M, Gushin E, Hallman TJ, Hardtke D, Harris JW, Heffner M, Heppelmann S, Herston T, Hippolyte B, Hirsch A, Hjort E, Hoffmann GW, Horsley M, Huang HZ, Humanic TJ, Hümmler H, Igo G, Ishihara A, Ivanshin YI, Jacobs P, Jacobs WW, Janik M, Johnson I, Jones PG, Judd E, Kaneta M, Kaplan M, Keane D, Kisiel A, Klay J, Klein SR, Klyachko A, Konstantinov AS, Kotchenda L, Kovalenko AD, Kramer M, Kravtsov P, Krueger K, Kuhn C, Kulikov AI, Kunde GJ, Kunz CL, Kutuev RK, Kuznetsov AA, Lakehal-Ayat L, Lamas-Valverde J, Lamont MA, Landgraf JM, Lange S, Lansdell CP, Lasiuk B, Laue F, Lebedev A, LeCompte T, Lednický R, Leontiev VM, LeVine MJ, Li Q, Li Q, Lindenbaum SJ, Lisa MA, Ljubicic T, Llope WJ, LoCurto G, Long H, Longacre RS, Lopez-Noriega M, Love WA, Lynn D, Majka R, Margetis S, Martin L, Marx J, Matis HS, Matulenko YA, McShane TS, Meissner F, Melnick Y, Meschanin A, Messer M, Miller ML, Milosevich Z, Minaev NG, Mitchell J, Moiseenko VA, Moltz D, Moore CF, Morozov V, de Moura MM, Munhoz MG, Mutchler GS, Nelson JM, Nevski P, Nikitin VA, Nogach LV, Norman B, Nurushev SB, Odyniec G, Ogawa A, Okorokov V, Oldenburg M, Olson D, Paic G, Pandey SU, Panebratsev Y, Panitkin SY, Pavlinov AI, Pawlak T, Perevoztchikov V, Peryt W, Petrov VA, Pinganaud W, Platner E, Pluta J, Porile N, Porter J, Poskanzer AM, Potrebenikova E, Prindle D, Pruneau C, Radomski S, Rai G, Ravel O, Ray RL, Razin SV, Reichhold D, Reid JG, Retiere F, Ridiger A, Ritter HG, Roberts JB, Rogachevski OV, Romero JL, Roy C, Russ D, Rykov V, Sakrejda I, Sandweiss J, Saulys AC, Savin I, Schambach J, Scharenberg RP, Schweda K, Schmitz N, Schroeder LS, Schüttauf A, Seger J, Seliverstov D, Seyboth P, Shahaliev E, Shestermanov KE, Shimanskii SS, Shvetcov VS, Skoro G, Smirnov N, Snellings R, Sowinski J, Spinka HM, Srivastava B, Stephenson EJ, Stock R, Stolpovsky A, Strikhanov M, Stringfellow B, Stroebele H, Struck C, Suaide AA, Sugarbaker E, Suire C, Sumbera M, Symons TJ, Szanto De Toledo A, Szarwas P, Takahashi J, Tang AH, Thomas JH, Tikhomirov V, Trainor TA, Trentalange S, Tokarev M, Tonjes MB, Trofimov V, Tsai O, Turner K, Ullrich T, Underwood DG, Van Buren G, VanderMolen AM, Vanyashin A, Vasilevski IM, Vasiliev AN, Vigdor SE, Voloshin SA, Wang F, Ward H, Watson JW, Wells R, Wenaus T, Westfall GD, Whitten C, Wieman H, Willson R, Wissink SW, Witt R, Xu N, Xu Z, Yakutin AE, Yamamoto E, Yang J, Yepes P, Yokosawa A, Yurevich VI, Zanevski YV, Zborovský I, Zhang WM, Zoulkarneev R, Zubarev AN. Pion Interferometry of square root of (s(NN)) =130 GeV Au + Au collisions at RHIC. Phys Rev Lett 2001; 87:082301. [PMID: 11497937 DOI: 10.1103/physrevlett.87.082301] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/09/2001] [Indexed: 05/23/2023]
Abstract
Two-pion correlation functions in Au+Au collisions at square root of [s(NN)] = 130 GeV have been measured by the STAR (solenoidal tracker at RHIC) detector. The source size extracted by fitting the correlations grows with event multiplicity and decreases with transverse momentum. Anomalously large sizes or emission durations, which have been suggested as signals of quark-gluon plasma formation and rehadronization, are not observed. The Hanbury Brown-Twiss parameters display a weak energy dependence over a broad range in square root of [s(NN)].
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Affiliation(s)
- C Adler
- University of Frankfurt, Frankfurt, Germany
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Adler C, Ahammed Z, Allgower C, Anderson M, Averichev GS, Balewski J, Barannikova O, Barnby LS, Baudot J, Bekele S, Belaga VV, Bellwied R, Berger J, Bichsel H, Bland LC, Blyth CO, Bonner BE, Bossingham R, Boucham A, Brandin A, Caines H, de la Barca Sánchez MC, Cardenas A, Carroll J, Castillo J, Castro M, Cebra D, Chattopadhyay S, Chen ML, Chen Y, Chernenko SP, Cherney M, Chikanian A, Choi B, Christie W, Coffin JP, Conin L, Cormier TM, Cramer JG, Crawford HJ, DeMello M, Deng WS, Derevschikov AA, Didenko L, Draper JE, Dunin VB, Dunlop JC, Eckardt V, Efimov LG, Emelianov V, Engelage J, Eppley G, Erazmus B, Fachini P, Ferguson MI, Finch E, Fisyak Y, Flierl D, Foley KJ, Gagunashvili N, Gans J, Germain M, Geurts F, Ghazikhanian V, Grabski J, Grachov O, Greiner D, Grigoriev V, Gushin E, Hallman TJ, Hardtke D, Harris JW, Heffner M, Heppelmann S, Herston T, Hippolyte B, Hirsch A, Hjort E, Hoffmann GW, Horsley M, Huang HZ, Humanic TJ, Hümmler H, Igo GJ, Ishihara A, Ivanshin YI, Jacobs P, Jacobs WW, Janik M, Johnson I, Jones PG, Judd E, Kaneta M, Kaplan M, Keane D, Khodinov A, Kisiel A, Klay J, Klein SR, Klyachko A, Konstantinov AS, Kotchenda L, Kovalenko AD, Kramer M, Kravtsov P, Krueger K, Kuhn C, Kulikov AI, Kunde GJ, Kunz CL, Kutuev RK, Kuznetsov AA, Lamas-Valverde J, Lamont MA, Landgraf JM, Lange S, Lansdell CP, Lasiuk B, Laue F, Lebedev A, LeCompte T, Leontiev VM, Leszczynski P, LeVine MJ, Li Q, Li Q, Lindenbaum SJ, Lisa MA, Ljubicic T, Llope WJ, LoCurto G, Long H, Longacre RS, Lopez-Noriega M, Love WA, Lynn D, Madansky L, Majka R, Maliszewski A, Margetis S, Martin L, Marx J, Matis HS, Matulenko YA, McShane TS, Melnick Y, Meschanin A, Milosevich Z, Minaev NG, Mitchell J, Moiseenko VA, Moltz D, Moore CF, Morozov V, de Moura MM, Munhoz MG, Mutchler GS, Nelson JM, Nevski P, Nikitin VA, Nogach LV, Norman B, Nurushev SB, Nystrand J, Odyniec G, Ogawa A, Ogilvie CA, Oldenburg M, Olson D, Paic G, Pandey SU, Panebratsev Y, Panitkin SY, Pavlinov AI, Pawlak T, Perevoztchikov V, Peryt W, Petrov VA, Pinganaud W, Platner E, Pluta J, Porile N, Porter J, Poskanzer AM, Potrebenikova E, Prindle D, Pruneau C, Radomski S, Rai G, Ravel O, Ray RL, Razin SV, Reichhold D, Reid J, Retiere F, Ridiger A, Ritter HG, Roberts JB, Rogachevski OV, Roy C, Russ D, Rykov V, Sakrejda I, Sandweiss J, Saulys AC, Savin I, Schambach J, Scharenberg RP, Schmitz N, Schroeder LS, Schüttauf A, Seger J, Seliverstov D, Seyboth P, Shestermanov KE, Shimanskii SS, Shvetcov VS, Skoro G, Smirnov N, Snellings R, Sowinski J, Spinka HM, Srivastava B, Stephenson EJ, Stock R, Stolpovsky A, Strikhanov M, Stringfellow B, Stroebele H, Struck C, Suaide AA, Sugarbaker E, Suire C, Symons TJ, Szanto de Toledo A, Szarwas P, Takahashi J, Tang AH, Thomas JH, Tikhomirov V, Trainor T, Trentalange S, Tokarev M, Tonjes MB, Trofimov V, Tsai O, Turner K, Ullrich T, Underwood DG, Van Buren G, VanderMolen AM, Vanyashin A, Vasilevski IM, Vasiliev AN, Vigdor SE, Voloshin SA, Wang F, Ward H, Wells R, Wenaus T, Westfall GD, Whitten C, Wieman H, Willson R, Wissink SW, Witt R, Xu N, Xu Z, Yakutin AE, Yamamoto E, Yang J, Yepes P, Yokosawa A, Yurevich VI, Zanevski YV, Zhang J, Zhang WM, Zoulkarneev R, Zubarev AN. Midrapidity antiproton-to-proton ratio from Au+Au collisions at sqrt [s(NN)]=130 GeV. Phys Rev Lett 2001; 86:4778-4782. [PMID: 11384346 DOI: 10.1103/physrevlett.86.4778] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/27/2000] [Indexed: 05/23/2023]
Abstract
We report results on the ratio of midrapidity antiproton-to-proton yields in Au+Au collisions at sqrt[s(NN)] = 130 GeV per nucleon pair as measured by the STAR experiment at RHIC. Within the rapidity and transverse momentum range of /y/<0.5 and 0.4<p(t)<1.0 GeV/c, the ratio is essentially independent of either transverse momentum or rapidity, with an average of 0.65+/-0.01((stat))+/-0.07((syst)) for minimum bias collisions. Within errors, no strong centrality dependence is observed. The results indicate that at this RHIC energy, although the p-p pair production becomes important at midrapidity, a significant excess of baryons over antibaryons is still present.
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Affiliation(s)
- C Adler
- University of Frankfurt, Frankfurt, Germany
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Elliptic flow in Au+Au collisions at square root(S)NN = 130 GeV. Phys Rev Lett 2001; 86:402-407. [PMID: 11177841 DOI: 10.1103/physrevlett.86.402] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/13/2000] [Indexed: 05/23/2023]
Abstract
Elliptic flow from nuclear collisions is a hadronic observable sensitive to the early stages of system evolution. We report first results on elliptic flow of charged particles at midrapidity in Au+Au collisions at square root(S)NN = 130 GeV using the STAR Time Projection Chamber at the Relativistic Heavy Ion Collider. The elliptic flow signal, v2, averaged over transverse momentum, reaches values of about 6% for relatively peripheral collisions and decreases for the more central collisions. This can be interpreted as the observation of a higher degree of thermalization than at lower collision energies. Pseudorapidity and transverse momentum dependence of elliptic flow are also presented.
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Konstantinov AS, Vechkanov VS, Kuznetsov VA, Ruchin AB. Variations in the abiotic environment as a prerequisite for optimal Rana temporaria L. larval development. Dokl Biol Sci 2000; 371:182-5. [PMID: 10833654] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/16/2023]
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Konstantinov AS. [Animal weight as a function of linear dimensions]. Zh Obshch Biol 1969; 30:265-72. [PMID: 5385024] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
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