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Ryu SY, Ahn JK, Nakano T, Ahn DS, Ajimura S, Akimune H, Asano Y, Chang WC, Chen JY, Daté S, Ejiri H, Fujimura H, Fujiwara M, Fukui S, Hasegawa S, Hicks K, Horie K, Hotta T, Hwang SH, Imai K, Ishikawa T, Iwata T, Kato Y, Kawai H, Kino K, Kohri H, Kon Y, Kumagai N, Lin PJ, Maeda Y, Makino S, Matsuda T, Matsuoka N, Mibe T, Miyabe M, Miyachi M, Morino Y, Muramatsu N, Murayama R, Nakatsugawa Y, Nam SI, Niiyama M, Nomachi M, Ohashi Y, Ohkuma H, Ohta T, Ooba T, Oshuev DS, Parker JD, Rangacharyulu C, Sakaguchi A, Sawada T, Shagin PM, Shiino Y, Shimizu H, Strokovsky EA, Sugaya Y, Sumihama M, Tokiyasu AO, Toi Y, Toyokawa H, Tsunemi T, Uchida M, Ungaro M, Wakai A, Wang CW, Wang SC, Yonehara K, Yorita T, Yoshimura M, Yosoi M, Zegers RGT. Interference Effect between ϕ and Λ(1520) Production Channels in the γp→K^{+}K^{-}p Reaction near Threshold. Phys Rev Lett 2016; 116:232001. [PMID: 27341225 DOI: 10.1103/physrevlett.116.232001] [Citation(s) in RCA: 2] [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: 03/02/2016] [Indexed: 06/06/2023]
Abstract
The ϕ-Λ(1520) interference effect in the γp→K^{+}K^{-}p reaction has been measured for the first time in the energy range from 1.673 to 2.173 GeV. The relative phases between ϕ and Λ(1520) production amplitudes were obtained in the kinematic region where the two resonances overlap. The measurement results support strong constructive interference when K^{+}K^{-} pairs are observed at forward angles but destructive interference for proton emission at forward angles. Furthermore, the observed interference effect does not account for the sqrt[s]=2.1 GeV bump structure in forward differential cross sections for ϕ photoproduction. This fact suggests possible exotic structures such as a hidden-strangeness pentaquark state, a new Pomeron exchange, or rescattering processes via other hyperon states.
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Affiliation(s)
- S Y Ryu
- Research Center for Nuclear Physics, Osaka University, Ibaraki, Osaka 567-0047, Japan
| | - J K Ahn
- Department of Physics, Korea University, Seoul 02841, Republic of Korea
| | - T Nakano
- Research Center for Nuclear Physics, Osaka University, Ibaraki, Osaka 567-0047, Japan
| | - D S Ahn
- RIKEN, The Institute of Physical and Chemical Research, Wako, Saitama 351-0198, Japan
| | - S Ajimura
- Research Center for Nuclear Physics, Osaka University, Ibaraki, Osaka 567-0047, Japan
| | - H Akimune
- Department of Physics, Konan University, Kobe, Hyogo 658-8501, Japan
| | - Y Asano
- XFEL Project Head Office, RIKEN, Sayo, Hyogo 679-5143, Japan
| | - W C Chang
- Institute of Physics, Academia Sinica, Taipei 11529, Taiwan
| | - J Y Chen
- Light Source Division, National Synchrotron Radiation Research Center, Hsinchu 30076, Taiwan
| | - S Daté
- Japan Synchrotron Radiation Research Institute, Sayo, Hyogo 679-5143, Japan
| | - H Ejiri
- Research Center for Nuclear Physics, Osaka University, Ibaraki, Osaka 567-0047, Japan
| | - H Fujimura
- Wakayama Medical College, Wakayama 641-8509, Japan
| | - M Fujiwara
- Research Center for Nuclear Physics, Osaka University, Ibaraki, Osaka 567-0047, Japan
| | - S Fukui
- Research Center for Nuclear Physics, Osaka University, Ibaraki, Osaka 567-0047, Japan
| | - S Hasegawa
- Research Center for Nuclear Physics, Osaka University, Ibaraki, Osaka 567-0047, Japan
| | - K Hicks
- Department of Physics and Astronomy, Ohio University, Athens, Ohio 45701, USA
| | - K Horie
- Department of Physics, Osaka University, Toyonaka, Osaka 560-0043, Japan
| | - T Hotta
- Research Center for Nuclear Physics, Osaka University, Ibaraki, Osaka 567-0047, Japan
| | - S H Hwang
- Korea Research Institute of Standards and Science (KRISS), Daejeon 34113, Republic of Korea
| | - K Imai
- Advanced Science Research Center, Japan Atomic Energy Agency, Tokai, Ibaraki 319-1195, Japan
| | - T Ishikawa
- Research Center for Electron Photon Science, Tohoku University, Sendai, Miyagi 982-0826, Japan
| | - T Iwata
- Department of Physics, Yamagata University, Yamagata 990-8560, Japan
| | - Y Kato
- Kobayashi-Maskawa Institute, Nagoya University, Nagoya, Aichi 464-8602, Japan
| | - H Kawai
- Department of Physics, Chiba University, Chiba 263-8522, Japan
| | - K Kino
- Research Center for Nuclear Physics, Osaka University, Ibaraki, Osaka 567-0047, Japan
| | - H Kohri
- Research Center for Nuclear Physics, Osaka University, Ibaraki, Osaka 567-0047, Japan
| | - Y Kon
- Research Center for Nuclear Physics, Osaka University, Ibaraki, Osaka 567-0047, Japan
| | - N Kumagai
- Japan Synchrotron Radiation Research Institute, Sayo, Hyogo 679-5143, Japan
| | - P J Lin
- Institute of Physics, Academia Sinica, Taipei 11529, Taiwan
| | - Y Maeda
- Proton Therapy Center, Fukui Prefectural Hospital, Fukui 910-8526, Japan
| | - S Makino
- Wakayama Medical College, Wakayama 641-8509, Japan
| | - T Matsuda
- Department of Applied Physics, Miyazaki University, Miyazaki 889-2192, Japan
| | - N Matsuoka
- Research Center for Nuclear Physics, Osaka University, Ibaraki, Osaka 567-0047, Japan
| | - T Mibe
- High Energy Accelerator Organization (KEK), Tsukuba, Ibaraki 305-0801, Japan
| | - M Miyabe
- Research Center for Electron Photon Science, Tohoku University, Sendai, Miyagi 982-0826, Japan
| | - M Miyachi
- Department of Physics, Tokyo Institute of Technology, Tokyo 152-8551, Japan
| | - Y Morino
- High Energy Accelerator Organization (KEK), Tsukuba, Ibaraki 305-0801, Japan
| | - N Muramatsu
- Research Center for Electron Photon Science, Tohoku University, Sendai, Miyagi 982-0826, Japan
| | - R Murayama
- Department of Physics, Osaka University, Toyonaka, Osaka 560-0043, Japan
| | - Y Nakatsugawa
- High Energy Accelerator Organization (KEK), Tsukuba, Ibaraki 305-0801, Japan
| | - S I Nam
- Department of Physics, Pukyong National University, Busan 48513, Republic of Korea
| | - M Niiyama
- Department of Physics, Kyoto University, Kyoto 606-8502, Japan
| | - M Nomachi
- Research Center for Nuclear Physics, Osaka University, Ibaraki, Osaka 567-0047, Japan
| | - Y Ohashi
- Japan Synchrotron Radiation Research Institute, Sayo, Hyogo 679-5143, Japan
| | - H Ohkuma
- Japan Synchrotron Radiation Research Institute, Sayo, Hyogo 679-5143, Japan
| | - T Ohta
- Research Center for Nuclear Physics, Osaka University, Ibaraki, Osaka 567-0047, Japan
| | - T Ooba
- Department of Physics, Chiba University, Chiba 263-8522, Japan
| | - D S Oshuev
- Institute of Physics, Academia Sinica, Taipei 11529, Taiwan
| | - J D Parker
- Department of Physics, Kyoto University, Kyoto 606-8502, Japan
| | - C Rangacharyulu
- Department of Physics and Engineering Physics, University of Saskatchewan, Saskatoon, Saskatchewan S7N 5E2, Canada
| | - A Sakaguchi
- Department of Physics, Osaka University, Toyonaka, Osaka 560-0043, Japan
| | - T Sawada
- Institute of Physics, Academia Sinica, Taipei 11529, Taiwan
| | - P M Shagin
- School of Physics and Astronomy, University of Minnesota, Minneapolis, Minnesota 55455, USA
| | - Y Shiino
- Department of Physics, Chiba University, Chiba 263-8522, Japan
| | - H Shimizu
- Research Center for Electron Photon Science, Tohoku University, Sendai, Miyagi 982-0826, Japan
| | - E A Strokovsky
- Joint Institute for Nuclear Research, Dubna, Moscow Region, 142281, Russia
| | - Y Sugaya
- Research Center for Nuclear Physics, Osaka University, Ibaraki, Osaka 567-0047, Japan
| | - M Sumihama
- Department of Education, Gifu University, Gifu 501-1193, Japan
| | - A O Tokiyasu
- Research Center for Electron Photon Science, Tohoku University, Sendai, Miyagi 982-0826, Japan
| | - Y Toi
- Department of Applied Physics, Miyazaki University, Miyazaki 889-2192, Japan
| | - H Toyokawa
- Japan Synchrotron Radiation Research Institute, Sayo, Hyogo 679-5143, Japan
| | - T Tsunemi
- Department of Physics, Kyoto University, Kyoto 606-8502, Japan
| | - M Uchida
- Department of Physics, Tokyo Institute of Technology, Tokyo 152-8551, Japan
| | - M Ungaro
- Department of Physics, University of Connecticut, Storrs, Connecticut 06269-3046, USA
| | - A Wakai
- Akita Research Institute of Brain and Blood Vessels, Akita 010-0874, Japan
| | - C W Wang
- Institute of Physics, Academia Sinica, Taipei 11529, Taiwan
| | - S C Wang
- Institute of Physics, Academia Sinica, Taipei 11529, Taiwan
| | - K Yonehara
- Department of Physics, Konan University, Kobe, Hyogo 658-8501, Japan
| | - T Yorita
- Research Center for Nuclear Physics, Osaka University, Ibaraki, Osaka 567-0047, Japan
| | - M Yoshimura
- Institute for Protein Research, Osaka University, Suita, Osaka 565-0871, Japan
| | - M Yosoi
- Research Center for Nuclear Physics, Osaka University, Ibaraki, Osaka 567-0047, Japan
| | - R G T Zegers
- National Superconducting Cyclotron Laboratory, Michigan State University, East Lansing, Michigan 48824, USA
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Taira Y, Kuroda R, Tanaka M, Kumaki M, Oshima N, O'Rourke B, Suzuki R, Toyokawa H. Photon-induced positron annihilation lifetime spectroscopy using an S-band compact electron linac. Radiat Phys Chem Oxf Engl 1993 2014. [DOI: 10.1016/j.radphyschem.2012.11.012] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Miura T, Yanagimoto H, Satoi S, Toyokawa H, Yamamoto T, Hirooka S, Matsui Y, Kwon AH. LB011-SUN ALLEVIATING EFFECT OF ACTIVE HEXOSE CORRELATED COMPOUND FOR CHEMOTHERAPY-RELATED SIDE EFFECTS IN UNRESECTABLE PANCREAS CANCER PATIENTS. Clin Nutr 2013. [DOI: 10.1016/s0261-5614(13)60589-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Taira Y, Toyokawa H, Kuroda R, Yamamoto N, Adachi M, Tanaka S, Katoh M. Photon-induced positron annihilation lifetime spectroscopy using ultrashort laser-Compton-scattered gamma-ray pulses. Rev Sci Instrum 2013; 84:053305. [PMID: 23742543 DOI: 10.1063/1.4807701] [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] [Subscribe] [Scholar Register] [Indexed: 06/02/2023]
Abstract
High-energy ultrashort gamma-ray pulses can be generated via laser Compton scattering with 90° collisions at the UVSOR-II electron storage ring. As an applied study of ultrashort gamma-ray pulses, a new photon-induced positron annihilation lifetime spectroscopy approach has been developed. Ultrashort gamma-ray pulses with a maximum energy of 6.6 MeV and pulse width of 2.2 ps created positrons throughout bulk lead via pair production. Annihilation gamma rays were detected by a BaF2 scintillator mounted on a photomultiplier tube. A positron lifetime spectrum was obtained by measuring the time difference between the RF frequency of the electron storage ring and the detection time of the annihilation gamma rays. We calculated the response of the BaF2 scintillator and the time jitter caused by the variation in the total path length of the ultrashort gamma-ray pulses, annihilation gamma rays, and scintillation light using a Monte Carlo simulation code. The positron lifetime for bulk lead was successfully measured.
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Affiliation(s)
- Y Taira
- Research Institute of Instrumentation Frontier, National Institute of Advanced Industrial Science and Technology, Tsukuba Central 2, 1-1-1 Umezono, Tsukuba, Ibaraki 305-8568, Japan.
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Hiraoka N, Fukui H, Tanida H, Toyokawa H, Cai YQ, Tsuei KD. An X-ray Raman spectrometer for EXAFS studies on minerals: bent Laue spectrometer with 20 keV X-rays. J Synchrotron Radiat 2013; 20:266-271. [PMID: 23412483 DOI: 10.1107/s0909049512048789] [Citation(s) in RCA: 6] [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] [Subscribe] [Scholar Register] [Received: 08/10/2012] [Accepted: 11/27/2012] [Indexed: 06/01/2023]
Abstract
An X-ray Raman spectrometer for studies of local structures in minerals is discussed. Contrary to widely adopted back-scattering spectrometers using ≤10 keV X-rays, a spectrometer utilizing ~20 keV X-rays and a bent Laue analyzer is proposed. The 20 keV photons penetrate mineral samples much more deeply than 10 keV photons, so that high intensity is obtained owing to an enhancement of the scattering volume. Furthermore, a bent Laue analyzer provides a wide band-pass and a high reflectivity, leading to a much enhanced integrated intensity. A prototype spectrometer has been constructed and performance tests carried out. The oxygen K-edge in SiO(2) glass and crystal (α-quartz) has been measured with energy resolutions of 4 eV (EXAFS mode) and 1.3 eV (XANES mode). Unlike methods previously adopted, it is proposed to determine the pre-edge curve based on a theoretical Compton profile and a Monte Carlo multiple-scattering simulation before extracting EXAFS features. It is shown that the obtained EXAFS features are reproduced fairly well by a cluster model with a minimal set of fitting parameters. The spectrometer and the data processing proposed here are readily applicable to high-pressure studies.
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Affiliation(s)
- N Hiraoka
- National Synchrotron Radiation Research Center, Hsinchu, Taiwan
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6
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Shirasawa T, Takahashi T, Arakawa E, Tajiri H, Toyokawa H, Matsushita T. Quick measurement of crystal truncation rod in multi-wavelength dispersive mode. Acta Crystallogr A 2011. [DOI: 10.1107/s0108767311091598] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
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7
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Kohri H, Ahn DS, Ahn JK, Akimune H, Asano Y, Chang WC, Daté S, Ejiri H, Fukui S, Fujimura H, Fujiwara M, Hasegawa S, Hicks K, Hosaka A, Hotta T, Imai K, Ishikawa T, Iwata T, Kawai H, Kim ZY, Kino K, Kumagai N, Makino S, Matsuda T, Matsumura T, Matsuoka N, Mibe T, Miyabe M, Miyachi Y, Morita M, Muramatsu N, Nakano T, Nam SI, Niiyama M, Nomachi M, Ohashi Y, Ohkuma H, Ooba T, Oshuev DS, Rangacharyulu C, Sakaguchi A, Sasaki T, Shagin PM, Shiino Y, Shimizu A, Shimizu H, Sugaya Y, Sumihama M, Titov AI, Toi Y, Toyokawa H, Wakai A, Wang CW, Wang SC, Yonehara K, Yorita T, Yoshimura M, Yosoi M, Zegers RGT. Near-threshold Lambda(1520) production by the gamma(p)-->K{+}Lambda(1520) reaction at forward K+ angles. Phys Rev Lett 2010; 104:172001. [PMID: 20482102 DOI: 10.1103/physrevlett.104.172001] [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: 05/30/2009] [Indexed: 05/29/2023]
Abstract
Differential cross sections and photon-beam asymmetries for the gamma(p)-->K{+}Lambda(1520) reaction have been measured with linearly polarized photon beams at energies from the threshold to 2.4 GeV at 0.6<cos(theta){c.m.}{K}<1. A new bump structure was found at W approximately 2.11 GeV in the cross sections. The bump is not well reproduced by theoretical calculations introducing a nucleon resonance with J<or=3/2. This result suggests that the bump might be produced by a nucleon resonance possibly with J>or=5/2 or by a new reaction process, for example, an interference effect with the phi photoproduction having a similar bump structure in the cross sections.
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Affiliation(s)
- H Kohri
- Research Center for Nuclear Physics, Osaka University, Ibaraki, Osaka 567-0047, Japan
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Kuroda R, Yasumoto M, Sei N, Toyokawa H, Ikeura-Sekiguchi H, Ogawa H, Koike M, Yamada K. Measurement of coherent terahertz radiation for time-domain spectroscopy and imaging. Radiat Phys Chem Oxf Engl 1993 2009. [DOI: 10.1016/j.radphyschem.2009.06.026] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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Muramatsu N, Chen JY, Chang WC, Ahn DS, Ahn JK, Akimune H, Asano Y, Daté S, Ejiri H, Fujimura H, Fujiwara M, Fukui S, Hasegawa S, Hicks K, Horie K, Hotta T, Imai K, Ishikawa T, Iwata T, Kato Y, Kawai H, Kino K, Kohri H, Kumagai N, Makino S, Matsuda T, Matsumura T, Matsuoka N, Mibe T, Miyabe M, Miyachi M, Nakano T, Niiyama M, Nomachi M, Ohashi Y, Ohkuma H, Ooba T, Oshuev DS, Rangacharyulu C, Sakaguchi A, Shagin PM, Shiino Y, Shimizu H, Sugaya Y, Sumihama M, Toi Y, Toyokawa H, Wakai A, Wang CW, Wang SC, Yonehara K, Yorita T, Yoshimura M, Yosoi M, Zegers RGT. Near-threshold photoproduction of Lambda(1520) from protons and deuterons. Phys Rev Lett 2009; 103:012001. [PMID: 19659135 DOI: 10.1103/physrevlett.103.012001] [Citation(s) in RCA: 1] [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: 04/12/2009] [Indexed: 05/28/2023]
Abstract
Photoproduction of Lambda(1520) with liquid hydrogen and deuterium targets was examined at photon energies below 2.4 GeV in the SPring-8 LEPS experiment. For the first time, the differential cross sections were measured at low energies and with a deuterium target. A large asymmetry of the production cross sections from protons and neutrons was observed at backward K+/0 angles. This suggests the importance of the contact term, which coexists with t-channel K exchange under gauge invariance. This interpretation was compatible with the differential cross sections, decay asymmetry, and photon beam asymmetry measured in the production from protons at forward K+ angles.
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Affiliation(s)
- N Muramatsu
- Research Center for Nuclear Physics, Osaka University, Ibaraki, Osaka 567-0047, Japan
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Hicks K, Keller D, Kohri H, Ahn DS, Ahn JK, Akimune H, Asano Y, Chang WC, Daté S, Ejiri H, Fukui S, Fujimura H, Fujiwara M, Hasegawa S, Hotta T, Imai K, Ishikawa T, Iwata T, Kato Y, Kawai H, Kim ZY, Kino K, Kumagai N, Makino S, Matsuda T, Matsumura T, Matsuoka N, Mibe T, Miyabe M, Miyachi Y, Morita M, Muramatsu N, Nakano T, Niiyama M, Nomachi M, Oh Y, Ohashi Y, Ohkuma H, Ooba T, Parker J, Rangacharyulu C, Sakaguchi A, Sasaki T, Shagin PM, Shiino Y, Shimizu A, Shimizu H, Sugaya Y, Sumihama M, Toi Y, Toyokawa H, Wakai A, Wang CW, Wang SC, Yonehara K, Yorita T, Yoshimura M, Yosoi M, Zegers RGT. Cross sections and beam asymmetry for K;{+}Sigma;{*-} photoproduction from the deuteron at E_{gamma}=1.5-2.4 GeV. Phys Rev Lett 2009; 102:012501. [PMID: 19257183 DOI: 10.1103/physrevlett.102.012501] [Citation(s) in RCA: 1] [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: 09/19/2008] [Indexed: 05/27/2023]
Abstract
The Sigma(1385) resonance, or Sigma;{*}, is well known as part of the standard baryon decuplet with spin J=3/2. Measurements of the reaction gammap-->K;{+}Sigma;{*0} are difficult to extract due to overlap with the nearby Lambda(1405) resonance. However, the reaction gamman-->K;{+}Sigma;{*-} has no overlap with the Lambda(1405) due to its charge. Here we report the first measurement of cross sections and beam asymmetries for photoproduction of the Sigma;{*-} from a deuteron target. The cross sections at forward angles range from 0.4 to 1.2 mub, with a broad maximum near E_{gamma} approximately 1.8 GeV. The beam asymmetries are negative, in contrast with positive values for the gamman-->K;{+}Sigma;{-} reaction.
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Affiliation(s)
- K Hicks
- Department of Physics and Astronomy, Ohio University, Athens, Ohio 45701, USA
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Kuroda R, Sei N, Oka T, Yasumoto M, Toyokawa H, Ogawa H, Koike M, Yamada K, Sakai F. Development of high power THz-TDS system based on S-band compact electron linac. Radiat Phys Chem Oxf Engl 1993 2008. [DOI: 10.1016/j.radphyschem.2008.05.009] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Tajiri H, Toyokawa H, Sakata O. Precise determination of crystal orientation for surface X-ray diffraction using Kossel line. Acta Crystallogr A 2008. [DOI: 10.1107/s0108767308082366] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
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13
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Yano Y, Uruga T, Hajime T, Toyokawa H, Terada Y, Takagaki M, Yamada H. Time-resolved X-ray reflectivity investigation of lysozyme adsorption at the air–water interface. Acta Crystallogr A 2008. [DOI: 10.1107/s0108767308082287] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
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Utsunomiya H, Goriely S, Kondo T, Kaihori T, Makinaga A, Goko S, Akimune H, Yamagata T, Toyokawa H, Matsumoto T, Harano H, Hohara S, Lui YW, Hilaire S, Péru S, Koning AJ. M1 gamma strength for zirconium nuclei in the photoneutron channel. Phys Rev Lett 2008; 100:162502. [PMID: 18518192 DOI: 10.1103/physrevlett.100.162502] [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: 11/30/2007] [Indexed: 05/26/2023]
Abstract
Photoneutron cross sections were measured for 91Zr, 92Zr, and 94Zr near the neutron separation energy with quasimonochromatic gamma rays. The data exhibit some extra components around the neutron threshold. A coherent analysis of the photoneutron data for 92Zr together with the neutron capture on 91Zr based on the microscopic Hartree-Fock-Bogoliubov plus quasiparticle random-phase approximation model for the E1 strength has revealed the presence of an M1 resonance at 9 MeV. The microscopic approach systematically shows the same M1 strength in the photoneutron cross section for 91Zr and 94Zr. The total M1 strength is about 75% larger than the strength predicted by the systematics, being qualitatively consistent with the giant M1 resonance observed in the inelastic proton scattering.
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Affiliation(s)
- H Utsunomiya
- Department of Physics, Konan University, Okamoto 8-9-1, Higashinada, Kobe 658-8501, Japan
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Nakao A, Toyokawa H, Abe M, Kohmoto J, Tsung A, Kaizu T, Kanno S, Thomson A, Billiar T, McCurry K, Murase N. 362: Recipient Hyperbilirubinemia Protects Rat Cardiac Grafts. J Heart Lung Transplant 2008. [DOI: 10.1016/j.healun.2007.11.373] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
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16
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Nakao A, Toyokawa H, Tsung A, Nalesnik MA, Stolz DB, Kohmoto J, Ikeda A, Tomiyama K, Harada T, Takahashi T, Yang R, Fink MP, Morita K, Choi AMK, Murase N. Ex vivo application of carbon monoxide in University of Wisconsin solution to prevent intestinal cold ischemia/reperfusion injury. Am J Transplant 2006; 6:2243-55. [PMID: 16827783 DOI: 10.1111/j.1600-6143.2006.01465.x] [Citation(s) in RCA: 85] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
Carbon monoxide (CO), a byproduct of heme catalysis, was shown to have potent cytoprotective and anti-inflammatory effects. In vivo recipient CO inhalation at low concentrations prevented ischemia/reperfusion (I/R) injury associated with small intestinal transplantation (SITx). This study examined whether ex vivo delivery of CO in University of Wisconsin (UW) solution could ameliorate intestinal I/R injury. Orthotopic syngenic SITx was performed in Lewis rats after 6 h cold preservation in control UW or UW that was bubbled with CO gas (0.1-5%) (CO-UW). Recipient survival with intestinal grafts preserved in 5%, but not 0.1%, CO-UW improved to 86.7% (13/15) from 53% (9/17) with control UW. At 3 h after SITx, grafts stored in 5% CO-UW showed improved intestinal barrier function, less mucosal denudation and reduced inflammatory mediator upregulation compared to those in control UW. Preservation in CO-UW associated with reduced vascular resistance (end preservation), increased graft cyclic guanosine monophosphate levels (1 h), and improved graft blood flow (1 h). Protective effects of CO-UW were reversed by ODQ, an inhibitor of soluble guanylyl cyclase. In vitro culture experiment also showed better preservation of vascular endothelial cells with CO-UW. The study suggests that ex vivo CO delivery into UW solution would be a simple and innovative therapeutic strategy to prevent transplant-induced I/R injury.
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Affiliation(s)
- A Nakao
- Thomas E. Starzl Transplantation Institute, University of Pittsburgh, Pennsylvania, USA.
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17
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Kohri H, Ahn DS, Ahn JK, Akimune H, Asano Y, Chang WC, Date' S, Ejiri H, Fukui S, Fujimura H, Fujiwara M, Hasegawa S, Hicks K, Hotta T, Imai K, Ishikawa T, Iwata T, Kawai H, Kim ZY, Kino K, Kumagai N, Makino S, Mart T, Matsuda T, Matsumura T, Matsuoka N, Mibe T, Miyabe M, Miyachi Y, Morita M, Muramatsu N, Nakano T, Niiyama M, Nomachi M, Ohashi Y, Ohkuma H, Ooba T, Oshuev DS, Rangacharyulu C, Sakaguchi A, Sasaki T, Shagin PM, Shiino Y, Shimizu A, Shimizu H, Sugaya Y, Sumihama M, Toi Y, Toyokawa H, Wakai A, Wang CW, Wang SC, Yonehara K, Yorita T, Yoshimura M, Yosoi M, Zegers RGT. Differential cross section and photon-beam asymmetry for the gamma n --> K+ Sigma- reaction at E gamma = 1.5-2.4 GeV. Phys Rev Lett 2006; 97:082003. [PMID: 17026294 DOI: 10.1103/physrevlett.97.082003] [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: 02/06/2006] [Indexed: 05/12/2023]
Abstract
Differential cross sections and photon-beam asymmetries have been measured for the gamma n --> K+ Sigma- and gamma p --> K+Sigma0 reactions separately using liquid deuterium and hydrogen targets with incident linearly polarized photon beams of E gamma = 1.5-2.4 GeV at 0.6 < cos ThetacmK< 1. The cross section ratio of sigma K+ Sigma-/sigma K+ Sigma0, expected to be 2 on the basis of the isospin 1/2 exchange, is found to be close to 1. For the K+ Sigma- reaction, large positive asymmetries are observed, indicating the dominance of K* exchange. The large difference between the asymmetries for the K+ Sigma- and K+ Sigma0 reactions cannot be explained by simple theoretical considerations based on Regge model calculations.
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Affiliation(s)
- H Kohri
- Research Center for Nuclear Physics, Osaka University, Ibaraki, Osaka 567-0047, Japan
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18
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Satoi S, Yanagimoto H, Takai S, Toyokawa H, Takahashi K, Terakawa N, Yamamoto T, Kamiyama Y. Circulating dendritic cell as a new prognostic factor in pancreatic cancer patients. J Clin Oncol 2006. [DOI: 10.1200/jco.2006.24.18_suppl.4095] [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] [Indexed: 11/20/2022] Open
Abstract
4095 Background: Pancreatic cancer is a cancer with very poor prognosis that might be associated with impaired immune defense. Dendritic cells (DC) are important for immune surveillance and play a central role in protection against infection and malignancy. A defective host antitumor immune response may allow tumor cells to escape from the host immune system. The aim of this study is to determine whether circulating DC could be one of new immunological markers that may predict the prognosis of the pancreatic cancer. Methods: We evaluated pretreatment circulating myeloid-lineage DC (C-DC1) rate in the peripheral blood mononuclear cell and various clinical parameters to determine their prognostic value in 104 pancreatic cancer patients (41 resected and 63 unresected patients) seen at our institution. Results: In unresected patients, univariate analysis demonstrated two risk factors for prognosis of albmin < 3.8g/dl (p = 0.0468), and C-DC1 < 0.27% (p = 0.0006), when all patients were divided by the median value of C-DC1 rate. Consequently, multivariate analysis demonstrated that only C-DC1 was a predominant independent predictor of survival (Hazard ratio; 9.330, 95% Confidential interval; 2.595–33.549, p = 0.0006). In resected patients, C-DC1 in patients with advanced disease (Stages 2b-4, n=28) was significantly lower than that in patients with lower staged cancer (Stage 1–2a, n = 13: 0.43 ± 0.67%, Stage 2b-4: 0.24 ± 0.30%, p < 0.05). The overall survival rates in patients with C-DC1 ≥ 0.27% were significantly longer than those in patients with C-DC1 < 0.27 (C-DC1 ≥ 0.27%, n = 20, 1/3 year survival: 100%/64%. C-DC1 < 0.27, n = 21, 1/3 year survival: 68%/26%. P < 0.05). Conclusions: The C-DC1 less than 0.27% could be one of prognostic factors in patients with pancreatic cancer, and such patients could be targets for the future therapeutic trials. No significant financial relationships to disclose.
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Affiliation(s)
- S. Satoi
- Kansai Medical University Hospital, Shinmachi, Hirakata, Osaka, Japan
| | - H. Yanagimoto
- Kansai Medical University Hospital, Shinmachi, Hirakata, Osaka, Japan
| | - S. Takai
- Kansai Medical University Hospital, Shinmachi, Hirakata, Osaka, Japan
| | - H. Toyokawa
- Kansai Medical University Hospital, Shinmachi, Hirakata, Osaka, Japan
| | - K. Takahashi
- Kansai Medical University Hospital, Shinmachi, Hirakata, Osaka, Japan
| | - N. Terakawa
- Kansai Medical University Hospital, Shinmachi, Hirakata, Osaka, Japan
| | - T. Yamamoto
- Kansai Medical University Hospital, Shinmachi, Hirakata, Osaka, Japan
| | - Y. Kamiyama
- Kansai Medical University Hospital, Shinmachi, Hirakata, Osaka, Japan
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19
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Goko S, Utsunomiya H, Goriely S, Makinaga A, Kaihori T, Hohara S, Akimune H, Yamagata T, Lui YW, Toyokawa H, Koning AJ, Hilaire S. Partial photoneutron cross sections for the isomeric state 180Tam. Phys Rev Lett 2006; 96:192501. [PMID: 16803099 DOI: 10.1103/physrevlett.96.192501] [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: 12/20/2005] [Indexed: 05/10/2023]
Abstract
Photoneutron cross sections for (181)Ta(y, n) (180)Ta(m) were determined from simultaneous measurements of total cross sections (sigma(tot) and ground-state cross sections (sigma(gs)) for (180)Ta in photodisintegration of with laser Compton-backscattered rays. Techniques of direct neutron counting and photoactivation were used for the measurement of sigma(tot) and sigma(gs), respectively. The partial cross sections for the isomeric state serves as a novel probe of the nuclear level density of (180)Ta. Implications for the p- and s-process nucleosynthesis of (180)Ta(m) are given.
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Affiliation(s)
- S Goko
- Department of Physics, Konan University, Higashinada, Kobe, Japan
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20
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Narumi Y, Kindo K, Katsumata K, Kawauchi M, Broennimann C, Staub U, Toyokawa H, Tanaka Y, Kikkawa A, Yamamoto T, Hagiwara M, Ishikawa T, Kitamura H. X-ray diffractometer combining synchrotron radiation and pulsed magnetic fields up to 40 T. J Synchrotron Radiat 2006; 13:271-4. [PMID: 16645253 DOI: 10.1107/s0909049506006972] [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: 12/10/2005] [Accepted: 02/24/2006] [Indexed: 05/08/2023]
Abstract
A synchrotron X-ray diffractometer incorporating a pulsed field magnet for high fields up to 40 T has been developed and a detailed description of this instrument is reported. The pulsed field magnet is composed of two coaxial coils with a gap of 3 mm at the mid-plane for passage of the X-rays. The pixel detector PILATUS 100K is used to store the diffracted X-rays. As a test of this instrument, X-ray diffraction by a powder sample of the antiferromagnet CoO is measured below the Néel temperature. A field-dependent lattice distortion of CoO due to magnetostriction is observed up to 38 T.
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Affiliation(s)
- Y Narumi
- ISSP, University of Tokyo, Kashiwa, Chiba 277-858, Japan.
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21
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Broennimann C, Eikenberry EF, Henrich B, Horisberger R, Huelsen G, Pohl E, Schmitt B, Schulze-Briese C, Suzuki M, Tomizaki T, Toyokawa H, Wagner A. The PILATUS 1M detector. J Synchrotron Radiat 2006; 13:120-30. [PMID: 16495612 DOI: 10.1107/s0909049505038665] [Citation(s) in RCA: 151] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/21/2005] [Accepted: 11/22/2005] [Indexed: 05/06/2023]
Abstract
The PILATUS 1M detector is a hybrid pixel array detector with over one million pixels that operate in single photon counting mode. The detector, designed for macromolecular crystallography, is the largest pixel array detector currently in use at a synchrotron. It is a modular system consisting of 18 multichip modules covering an area of 21 cm x 24 cm. The design of the components as well as the manufacturing of the detector including the bump-bonding was performed at the Paul Scherrer Institute (PSI). The use of a single photon counting detector for protein crystallography requires detailed studies of the charge collection properties of the silicon sensor. The 18 modules are read out in parallel, leading to a full frame readout-time of 6.7 ms. This allows crystallographic data to be acquired in fine-varphi-slicing mode with continuous rotation of the sample. The detector was tested in several experiments at the protein crystallography beamline X06SA at the Swiss Light Source at PSI. Data were collected both in conventional oscillation mode using the shutter, as well as in a fine-varphi-slicing mode. After applying all the necessary corrections to data from a thaumatin crystal, the processing of the conventional data led to satisfactory merging R-factors of the order of 8.5%. This allows, for the first time, determination of a refined electron density map of a macromolecular biological crystal using a silicon pixel detector.
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22
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Mibe T, Chang WC, Nakano T, Ahn DS, Ahn JK, Akimune H, Asano Y, Daté S, Ejiri H, Fujimura H, Fujiwara M, Hicks K, Hotta T, Imai K, Ishikawa T, Iwata T, Kawai H, Kim ZY, Kino K, Kohri H, Kumagai N, Makino S, Matsuda T, Matsumura T, Matsuoka N, Miwa K, Miyabe M, Miyachi Y, Morita M, Muramatsu N, Niiyama M, Nomachi M, Ohashi Y, Ooba T, Ohkuma H, Oshuev DS, Rangacharyulu C, Sakaguchi A, Sasaki T, Shagin PM, Shiino Y, Shimizu H, Sugaya Y, Sumihama M, Titov AI, Toi Y, Toyokawa H, Wakai A, Wang CW, Wang SC, Yonehara K, Yorita T, Yoshimura M, Yosoi M, Zegers RGT. Near-threshold diffractive psi-meson photoproduction from the proton. Phys Rev Lett 2005; 95:182001. [PMID: 16383894 DOI: 10.1103/physrevlett.95.182001] [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: 06/10/2005] [Revised: 10/12/2005] [Indexed: 05/05/2023]
Abstract
Photoproduction of a phi meson on protons was studied by means of linearly polarized photons at forward angles in the low-energy region from threshold to Egamma = 2.37 GeV. The differential cross sections at t = -|t|min do not increase smoothly as Egamma increases but show a local maximum at around 2.0 GeV. The angular distributions demonstrate that phi mesons are photoproduced predominantly by helicity-conserving processes, and the local maximum is not likely due to unnatural-parity processes.
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Affiliation(s)
- T Mibe
- Research Center for Nuclear Physics, Osaka University, Ibaraki, Osaka 567-0047, Japan
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23
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Kobayashi K, Itow Y, Shiozawa M, Yosoi M, Toyokawa H, Akimune H, Ejiri H, Fujimura H, Fujiwara M, Hara K, Hara K, Ishikawa T, Itoh M, Kawabata T, Nakamura M, Sakaguchi H, Sakemi Y, Takeda H, Uchida M, Yamada T, Yasuda Y, Yoshida H, Zegers R. Detection of nuclear de-excitation gamma-rays in water Cherenkov detector. ACTA ACUST UNITED AC 2005. [DOI: 10.1016/j.nuclphysbps.2004.11.206] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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24
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Yanagimoto H, Takai S, Satoi S, Toyokawa H, Takahashi K, Terakawa N, Tanaka K, Kwon AH, Kamiyama Y. Circulating dendritic cells as a prognostic factor in patients with pancreatic cancer. J Clin Oncol 2004. [DOI: 10.1200/jco.2004.22.90140.4097] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Affiliation(s)
| | - S. Takai
- Kansai Medical University, Moriguchi, Japan
| | - S. Satoi
- Kansai Medical University, Moriguchi, Japan
| | | | | | | | - K. Tanaka
- Kansai Medical University, Moriguchi, Japan
| | - A.-H. Kwon
- Kansai Medical University, Moriguchi, Japan
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25
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Brönnimann C, Bühler C, Eikenberry EF, Horisberger R, Hülsen G, Schmitt B, Schulze‐Briese C, Suzuki M, Tomizaki T, Toyokawa H, Wagner A. Protein crystallography with the PILATUS 1M detector at the Swiss Light Source. ACTA ACUST UNITED AC 2004. [DOI: 10.1080/08940880408603082] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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26
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Zegers RGT, Sumihama M, Ahn DS, Ahn JK, Akimune H, Asano Y, Chang WC, Daté S, Ejiri H, Fujimura H, Fujiwara M, Hicks K, Hotta T, Imai K, Ishikawa T, Iwata T, Kawai H, Kim ZY, Kino K, Kohri H, Kumagai N, Makino S, Matsumura T, Matsuoka N, Mibe T, Miwa K, Miyabe M, Miyachi Y, Morita M, Muramatsu N, Nakano T, Niiyama M, Nomachi M, Ohashi Y, Ooba T, Ohkuma H, Oshuev DS, Rangacharyulu C, Sakaguchi A, Sasaki T, Shagin PM, Shiino Y, Shimizu H, Sugaya Y, Toyokawa H, Wakai A, Wang CW, Wang SC, Yonehara K, Yorita T, Yoshimura M, Yosoi M. Beam-polarization asymmetries for the p(gamma-->, K+)Lambda and p(gamma-->, K+)Sigma(0) reactions for E(gamma)=1.5-2.4 GeV. Phys Rev Lett 2003; 91:092001. [PMID: 14525171 DOI: 10.1103/physrevlett.91.092001] [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: 02/08/2003] [Indexed: 05/24/2023]
Abstract
Beam polarization asymmetries for the p(gamma-->,K+)Lambda and p(gamma-->,K+)Sigma(0) reactions are measured for the first time for E(gamma)=1.5-2.4 GeV and 0.6<cos((theta(c.m.)(K+))<1.0 by using linearly polarized photons at the Laser-Electron-Photon facility at SPring-8 (LEPS). The observed asymmetries are positive and gradually increase with rising photon energy. The data are not consistent with theoretical predictions based on tree-level effective-Lagrangian approaches. Including the new results in the development of the models is, therefore, crucial for understanding the reaction mechanism and to test the presence of baryon resonances which are predicted in quark models but are thus far undiscovered.
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Affiliation(s)
- R G T Zegers
- Research Center for Nuclear Physics, Osaka University, Ibaraki, Osaka 567-0047, Japan
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27
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Nakano T, Ahn DS, Ahn JK, Akimune H, Asano Y, Chang WC, Daté S, Ejiri H, Fujimura H, Fujiwara M, Hicks K, Hotta T, Imai K, Ishikawa T, Iwata T, Kawai H, Kim ZY, Kino K, Kohri H, Kumagai N, Makino S, Matsumura T, Matsuoka N, Mibe T, Miwa K, Miyabe M, Miyachi Y, Morita M, Muramatsu N, Niiyama M, Nomachi M, Ohashi Y, Ooba T, Ohkuma H, Oshuev DS, Rangacharyulu C, Sakaguchi A, Sasaki T, Shagin PM, Shiino Y, Shimizu H, Sugaya Y, Sumihama M, Toyokawa H, Wakai A, Wang CW, Wang SC, Yonehara K, Yorita T, Yoshimura M, Yosoi M, Zegers RGT. Evidence for a narrow S = +1 baryon resonance in photoproduction from the neutron. Phys Rev Lett 2003; 91:012002. [PMID: 12906534 DOI: 10.1103/physrevlett.91.012002] [Citation(s) in RCA: 42] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/14/2003] [Indexed: 05/24/2023]
Abstract
The gamman-->K(+)K(-)n reaction on 12C has been studied by measuring both K+ and K- at forward angles. A sharp baryon resonance peak was observed at 1.54+/-0.01 GeV/c(2) with a width smaller than 25 MeV/c(2) and a Gaussian significance of 4.6sigma. The strangeness quantum number (S) of the baryon resonance is +1. It can be interpreted as a molecular meson-baryon resonance or alternatively as an exotic five-quark state (uuddsmacr;) that decays into a K+ and a neutron. The resonance is consistent with the lowest member of an antidecuplet of baryons predicted by the chiral soliton model.
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Affiliation(s)
- T Nakano
- Research Center for Nuclear Physics, Osaka University, Ibaraki, Osaka 567-0047, Japan
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28
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Zegers RGT, Abend H, Akimune H, van den Berg AM, Fujimura H, Fujita H, Fujita Y, Fujiwara M, Galès S, Hara K, Harakeh MN, Ishikawa T, Kawabata T, Kawase K, Mibe T, Nakanishi K, Nakayama S, Toyokawa H, Uchida M, Yamagata T, Yamasaki K, Yosoi M. Excitation and decay of the isovector giant monopole resonances via the 208Pb(3He,t p) reaction at 410 MeV. Phys Rev Lett 2003; 90:202501. [PMID: 12785887 DOI: 10.1103/physrevlett.90.202501] [Citation(s) in RCA: 3] [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: 08/18/2002] [Indexed: 05/24/2023]
Abstract
The excitation and subsequent proton decay of the isovector spin-flip giant monopole resonance (IVSGMR) is studied via the 208Pb(3He,t) reaction at 410 MeV. In the inclusive spectrum (60+/-5)% of the non-energy-weighted sum-rule strength for this 2 variant Planck's over 2h omega resonance was found in the region 29<Ex(208Bi)<51 MeV. The central excitation energy and width of the IVSGMR are 37+/-1 MeV and 14+/-3 MeV, respectively. It is found that the branching ratio for proton decay is (52+/-12)% and that the deep neutron-hole states in 207Pb are strongly fed.
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Affiliation(s)
- R G T Zegers
- Research Center for Nuclear Physics, Osaka University, Ibaraki, Osaka 567-0047, Japan
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29
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Takai S, Satoi S, Toyokawa H, Yanagimoto H, Sugimoto N, Tsuji K, Araki H, Matsui Y, Imamura A, Kwon AH, Kamiyama Y. Clinicopathologic evaluation after resection for ductal adenocarcinoma of the pancreas: a retrospective, single-institution experience. Pancreas 2003; 26:243-9. [PMID: 12657950 DOI: 10.1097/00006676-200304000-00007] [Citation(s) in RCA: 70] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
INTRODUCTION Between April 1992 and December 2000, 167 patients with pancreatic carcinoma were evaluated and treated in our department. One hundred eight patients (64.7%) with pancreatic carcinoma underwent pancreatectomy. Of these patients, 94 had histologically proven ductal adenocarcinoma. The overall postoperative mortality rate was 3.2% (3 patients), and the morbidity rate was 35.1% (33 patients). The estimated 1-, 2-, 3-, and 5-year survival rates were 43.6%, 28.7%, 21.8%, and 12.9%, respectively. There were only six long-term survivors who survived >5 years after surgery. METHODOLOGY AND AIMS: Institutional experience with 94 consecutive patients with ductal adenocarcinoma who underwent pancreatectomy was reviewed to clarify the influence of 29 prognostic factors (5 host, 17 tumor, and 7 treatment factors). Special reference was made to determine whether these significant factors have an effect on long-term survival. Univariate and multivariate models were used to analyze the effect of prognostic factors on survival. RESULTS Univariate analysis indicated that blood loss, operative time, postoperative complications, histopathologic lymphatic and venous permeation, lymph node metastasis, conclusive stage, conclusive curability, resection margins, serosal invasion, size of tumor, retroperitoneal invasion, major arterial invasion, and mode of histologic infiltration were associated with significantly longer survival (p < 0.05). By Cox proportional hazards survival analysis, the most powerful predictors of outcome were venous permeation, lymph node metastasis, tumor diameter, and conclusive curability. The longest-term survivor had the most advanced stage (stage IV(b)) of disease and curability C. No long-term survivors had all of the good prognostic factors (according to multivariate analysis). CONCLUSIONS The prognosis after surgical resection of pancreatic carcinoma mostly depends on tumor factors. In this study, it was difficult to identify the determinants of long-term survival in patients with resectable tumors.
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Affiliation(s)
- S Takai
- First Department of Surgery, Kansai Medical University, Moriguchi city, Osaka, Japan.
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30
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Eikenberry E, Broennimann C, Huelsen G, Toyokawa H, Horisberger R, Scmitt B, Schulze-Briese C, Tomizaki T. Pilatus: a 2-dimensional X-ray detector for macromolecular crystallography. Acta Crystallogr A 2002. [DOI: 10.1107/s0108767302094461] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022] Open
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31
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Nakayama S, Yamagata T, Akimune H, Daito I, Fujimura H, Fujita Y, Fujiwara M, Fushimi K, Greenfield MB, Kohri H, Koori N, Takahisa K, Tamii A, Tanaka M, Toyokawa H. Dipole excitation of alpha clusters in (6)Li and (7)Li. Phys Rev Lett 2001; 87:122502. [PMID: 11580501 DOI: 10.1103/physrevlett.87.122502] [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] [Subscribe] [Scholar Register] [Received: 02/20/2001] [Revised: 06/11/2001] [Indexed: 05/23/2023]
Abstract
Dipole excitations in highly excited energy regions of (6)He and (7)He nuclei were investigated via the ((7)Li,(7)Be) reaction with an incident energy of 65A MeV at forward scattering angles. The resonances at Q approximately equal to -30 MeV observed commonly for both (6)Li and (7)Li targets were found to be excited via both spin-flip and spin-nonflip transitions with DeltaL = 1. Based on the observed excitation energy, width, and cross section of each resonance, the relevant resonances are inferred to be analogs of the dipole resonances of alpha clusters in the (6)Li and (7)Li nuclei.
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Affiliation(s)
- S Nakayama
- Department of Physics, University of Tokushima, Tokushima 770-8502, Japan
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32
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Nakayama S, Yamagata T, Akimune H, Daito I, Fujimura H, Fujita Y, Fujiwara M, Fushimi K, Inomata T, Kohri H, Koori N, Takahisa K, Tamii A, Tanaka M, Toyokawa H. Soft dipole resonance in the neutron-skin nucleus 6He. Phys Rev Lett 2000; 85:262-265. [PMID: 10991258 DOI: 10.1103/physrevlett.85.262] [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: 11/30/1999] [Indexed: 05/23/2023]
Abstract
A candidate for a soft dipole resonance, a dipole oscillation mode between a core cluster and a neutron skin, was observed at Ex = 4+/-1 MeV and with a width of 4+/-1 MeV in 6He via the 6Li( 7Li, 7Be) reaction at an incident energy of 65A MeV and forward scattering angles including 0 degrees. Its cross section is deduced to be sigma(0 degrees ) = 0.9+/-0.2 mb/sr. This value is comparable to that of the giant dipole resonance simultaneously measured.
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Affiliation(s)
- S Nakayama
- Department of Physics, University of Tokushima, Tokushima 770-8502, Japan
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33
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Takizawa T, Nakagawa Y, Takabayashi H, Takahasi S, Tatara K, Furuya H, Aikawa H, Hagino T, Yoshida T, Sakabe K, Murata K, Inaba R, Iwata H, Sato H, Suzuki K, Nakaji S, Sugawara K, Totsuka M, Sato K, Nishikawa H, Toyokawa H, Higashiguchi K, Morikawa Y, Miura K, Nishijo M, Tabata M, Yoshita K, Sagara T, Nakagawa H, Xu M, Miura Y, Nagao F, Muto T, Okumura K, Takanishi T, Kimura N, Ito T, Morotomi Y, Itani T, Ueda K, Onomichi M, Harada K, Miyakita T, Ueda A, Nakazato Y, Furumatsu Y, Nakamura K. Abstracts from Japanese Journal of Hygiene(Nihon Eiseigaku Zasshi) vol. 53 no.2. Environ Health Prev Med 1998; 3:113-9. [PMID: 21432520 DOI: 10.1007/bf02931794] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
Affiliation(s)
- T Takizawa
- Depertment of public health, school of education, Ibaraki University, Mito
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34
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Nishikawa H, Toyokawa H. [The effects of improved diets on the daily intake of environmental contaminants as calculated from personal food consumption data, by Monte Carlo simulation]. Nihon Eiseigaku Zasshi 1998; 53:441-6. [PMID: 9757761 DOI: 10.1265/jjh.53.441] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
In a previous paper, we discussed the Estimated Ecological Daily Intake (EEDI), which is a new method for the estimating daily intake of environmental contaminants based on individual food consumption data. This method makes it possible to identify high-risk cases, using a Monte Carlo simulation for varying contamination levels in each food item and permits epidemiological assessment of the individual, rather than the population, intake of environmental contaminants. We attempted to identify those contaminants whose maximum dietary levels were most commonly exceeded. The results obtained were as follows: 1) After a 1,000-fold extrapolation, performed for each person and contaminant, some cases exceeded allowable maximums in dieldrin, lead, cadmium, and total mercury. In dieldrin and lead intake, few cases exceeded dieldrin and lead maximums by a factor of 2 or 3, but in the cases of cadmium and total mercury, individual maximum intake was significantly exceeded. 2) After estimating a high-risk individual's times of exceeding the allowance in cadmium intake with dietary improvement, we found a 10.5% excess intake after 40% improvement. Clearly, the issue of environmental contaminants exposure due to dietary intake is a significant one.
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Affiliation(s)
- H Nishikawa
- Department of Public Health, Toho University School of Medicine, Tokyo
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35
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Sobue T, Hagihara A, Murakami M, Miller AS, Morimoto K, Nakanish N, Tatara K, Babazono A, Tsuda T, Mino Y, Yoshimura N, Kasamatsu T, Morioka S, Hashimoto T, Nishikawa H, Toyokawa H. Abstracts from Japanese journal of hygiene (nihon eiseigaku zasshi) vol.51 no.3. Environ Health Prev Med 1996; 1:157-9. [PMID: 21432441 DOI: 10.1007/bf02931209] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022] Open
Affiliation(s)
- T Sobue
- Division of Cancer Information and Epidemiology, National Cancer Center Research Institute, Tokyo
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36
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Nishikawa H, Toyokawa H. [An improved method for estimating daily intake of environmental contaminants using Monte-Carlo simulation]. Nihon Eiseigaku Zasshi 1996; 51:685-94. [PMID: 8952328 DOI: 10.1265/jjh.51.685] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
We previously developed a new method for estimating intakes of environmental contaminants, called Estimated Ecological Daily Intake (EEDI), which is based on food consumption data. This method accurately estimates the intakes of food additives and contaminants and provides rough estimates of averages and distribution curves for the target population. By this method, we originally considered only food consumption, but did take into account the contamination level of each food article. Therefore, we attempted to improve EEDI by incorporating contamination levels of foodstuffs. Practically, we developed an improved Estimated Ecological Daily Intake estimation method for the daily intake of food contaminants and additives, and estimated daily intake of environmental contaminants based on food consumption data of 159 female volunteers, assuming that the contamination level follows Poisson distribution. The results obtained are as follows: 1) Estimated intakes were found to be accurate enough to obtain important values of distribution, such as mean, maximum value, mode, and median, which could be used to determine a standard. 2) Comparing the distribution of the estimated intakes, with that of intakes estimated by the fixed contamination level, the class-containing mode became lower and the class-containing the maximum value became higher. 3) This method was shown to provide information on the risk or probability of exceeding tolerable intake due to excessive food consumption or eating highly contaminated foods.
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Affiliation(s)
- H Nishikawa
- Department of Public Health, Toho University School of Medicine, Tokyo, Japan
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37
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Utsumi T, Hashimoto E, Okumura Y, Takayanagi M, Nishikawa H, Kigawa M, Kumakura N, Toyokawa H. Heterosexual activity as a risk factor for the transmission of hepatitis C virus. J Med Virol 1995; 46:122-5. [PMID: 7636498 DOI: 10.1002/jmv.1890460207] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
Hepatitis C virus (HCV), the major causative agent of non-A, non-B hepatitis, is transmitted by parenteral exposure. Transmission by sexual activity, however, is controversial. Possible behavioral risk factors for HCV infection were studied retrospectively among imprisoned men (n = 201, mean age: 45 years [S.D. 13]) who visited a health service center at a Japanese correctional facility for medical examination. Seropositivity of anti-HCV antibody was disproportionately high (49.8%) in comparison with volunteer blood donors. Among possible risk factors significant on univariate analysis, intravenous drug abuse and Tama-Ire, a Japanese custom of sexual behavior that suggests frequent, aggressive or promiscuous heterosexual activity, proved to be independent risk factors for HCV infection (odds ratio = 7.39, 95% CI = 3.41 - 16.05, P < 0.0001; odds ratio = 3.16, 95% CI = 1.16 - 8.64, P = 0.026, respectively) as shown by logistic regression analysis. The data suggest that HCV may be transmitted by sexual activity.
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Affiliation(s)
- T Utsumi
- Department of Public Health, School of Medicine, Toho University, Tokyo, Japan
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38
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Toyokawa H, Ohnuma H, Tajima Y, Niizeki T, Honjo Y, Tomita S, Ohkushi K, Tanaka MH, Kubono S, Yosoi M. Coupling effects studied in the 13C(p,pn)12C and 13C(p,d)12C reactions at Ep=35 MeV. Phys Rev C Nucl Phys 1995; 51:2592-2596. [PMID: 9970342 DOI: 10.1103/physrevc.51.2592] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
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39
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Toyokawa H, Nishikawa H. [A new estimation of the intake of contaminants, based on daily food consumption data]. Nihon Eiseigaku Zasshi 1994; 49:606-15. [PMID: 8041017 DOI: 10.1265/jjh.49.606] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
Recommended Dietary Allowances (RDAs) are allocated to each food article as published in the Denmark Budget Methods in the Codex Alimentalius of the WHO/FAO Joint Committee when standards of pollutants in food are needed. When daily intakes of Food Additives and Contaminants need to be calculated, the Theoretical Maximum Daily Intake. (TMDI) and the Estimated Maximum Daily Intake (EMDI) have been generally used. TMDI and EMDI are calculated using the formulae shown below: [formula: see text] i: food article (i = 1, ....., n) A: standard value for food additives and contaminants X: mean weight of food article consumed daily l: rate of residue after cooking Exposure assessment should be more exact in order to meet social health needs and to help avoid unnecessarily strict regulations. The U. S. Food and Drug Administration (FDA) is continually improving its estimates of the dietary intakes of pesticides and essential minerals, and comparing these intakes with established safe or recommended dietary intake levels. Dietary survey methods have also improved in parallel, with examples being the USDA's Household Food Consumption Survey (1955 and 1965) and National Health and Nutrition Examination Survey II (1976-1980). In Japan, TMDI and EMDI have received more attention as methods of estimating the daily intakes of food additives and contaminants than has the Total Diet Study, even though the former are not as exact as the latter. The Japanese National Nutrition Survey is one of the most respected nutrition surveys in the world, because it has continued nationwide yearly since 1946. Nevertheless, it is very unfortunate that no one utilizes the Household Food Consumption Survey data for the estimation of intakes of food additives and contaminants, because that is not the primary purpose of the Japanese National Nutrition Survey. Practically, there are neither foods which have an uniform of food additives and contaminants nor individuals who consume uniform amounts of each food item. In this report the authors propose a revised estimation method for the daily intake of food contaminants and additives, based on food consumption data of 159 female volunteers, without using the National Nutrition Survey data. The results obtained are as follows: 1) This method succeeded in making clear the intakes of food additives and contaminants. Mean, maximum and minimum values and distribution curves for the target population were obtained. 2) The suggested name for this method is "Estimated Ecological Daily Intake (EEDI)", which is processed in terms of the food consumption structure for calculation, and methodologically estimated by food ecology.
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Affiliation(s)
- H Toyokawa
- Department of Public Health, Toho University School of Medicine, Tokyo, Japan
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40
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Ohnuma H, Hatanaka K, Hayakawa SI, Hosaka M, Ichihara T, Ishida S, Kato S, Niizeki T, Ohura M, Okamura H, Orihara H, Sakai H, Shimizu H, Tajima Y, Toyokawa H, Yoshida HY, Yosoi M. (d,2He) reactions at Ed=260 MeV as a possible probe to nuclear spin-isospin excitation. Phys Rev C Nucl Phys 1993; 47:648-651. [PMID: 9968481 DOI: 10.1103/physrevc.47.648] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
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41
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Yasue M, Hasegawa T, Hayakawa SI, Ieki K, Kasagi J, Kubono S, Murakami T, Nisimura K, Ogawa K, Ohnuma H, Peterson RJ, Shimizu H, Tanaka MH, Toyokawa H. Spectroscopic study of oxygen and fluorine isotopes with the ( alpha,3He) and ( alpha,t) reactions on 16,17,18O. Phys Rev C Nucl Phys 1992; 46:1242-1256. [PMID: 9968232 DOI: 10.1103/physrevc.46.1242] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
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42
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Kubono S, Ikeda N, Funatsu Y, Tanaka MH, Nomura T, Orihara H, Kato S, Ohura M, Kubo T, Inabe N, Yoshida A, Ichihara T, Ishihara M, Tanihata I, Okuno H, Nakamura T, Shimoura S, Toyokawa H, Yun CC, Ohnuma H, Asahi K, Chakrabarti A, Mukhopadhyay T, Kajino T. Decay property of 20Na for the onset mechanism of the rapid-proton process. Phys Rev C Nucl Phys 1992; 46:361-365. [PMID: 9968117 DOI: 10.1103/physrevc.46.361] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
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43
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Watanabe M, Yamaoka K, Toyokawa H. [A study of dietary intakes and dietary preferences by questionnaire at a health facility in an urban area]. Nihon Koshu Eisei Zasshi 1992; 39:259-68. [PMID: 1638038] [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: 12/28/2022]
Abstract
Dietary preferences and intakes of 2504 patients in a human dock in Tokyo were studied by questionnaire and analyzed according to: 1. Comparison of dietary patterns for breakfast to that for lunch and dinner. 2. Consistency between dietary patterns according to Category Score Table for Breakfast and that from Hayashi's Quantification Theory Type III (QIII). Dietary patterns for breakfast were shown to fall into four Types based on dietary intakes and dietary preferences: Balanced Diet-Japanese Style (Type 1); Balanced Diet-Western Style (Type 2); Unbalanced Diet-Western Style (Type 3); and Unbalanced Diet-with drinks (Type 4). Based on the responses to the questionnaire, there was no correlation between the dietary pattern for lunch to that for breakfast. On the other hand, the dietary pattern for dinner tended to correlate with breakfast. The sample population was divided into two random groups A and B. Group A was analyzed by QIII, and B by the four types of breakfast dietary patterns. Comparison of scores for categorized values for Group A with those of the Group B indicated 91.8% consistent rate. These results, demonstrate that this questionnaire can be used effectively to sort intakes into four dietary patterns, and may be useful in preventive health care studies.
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Affiliation(s)
- M Watanabe
- Department of Food Science, Showa Women's University Junior College
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44
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Yasue M, Tanaka MH, Hasegawa T, Ohnuma H, Toyokawa H, Ogawa K. Isospin forbidden ( alpha,d) transitions to the low-lying states in 26Al. Phys Rev C Nucl Phys 1991; 43:510-513. [PMID: 9967096 DOI: 10.1103/physrevc.43.510] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
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45
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Yasue M, Ogawa K, Niizeki T, Takamatsu J, Ohura M, Terakawa A, Nakagawa T, Hasegawa T, Ohnuma H, Toyokawa H, Hamada S. Spectroscopy of positive parity states in 26Mg and 26Al via the ( alpha,3He) and ( alpha,t) reactions. Phys Rev C Nucl Phys 1990; 42:1279-1296. [PMID: 9966862 DOI: 10.1103/physrevc.42.1279] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
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46
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Ieki K, Iimura J, Iwase M, Ohnuma H, Shimizu H, Toyokawa H, Furukawa K, Kabasawa H, Nakagawa T, Tohei T, Orihara H, Hayakawa SI, Hasegawa T, Nisimura K, Yasue M, Miura K, Suehiro T, Franey MA. Density dependent interaction applied to low-multipole (p,p') and (p,n) transitions in light nuclei. Phys Rev C Nucl Phys 1990; 42:457-460. [PMID: 9966731 DOI: 10.1103/physrevc.42.457] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
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47
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Yasue M, Sato H, Tanaka MH, Hasegawa T, Tanabe T, Nisimura K, Ohnuma H, Shimizu H, Ieki K, Toyokawa H, Ogawa K, Hayakawa SI, Peterson RJ. 7+ states in 26Al observed in the 24Mg( alpha,d) and 25Mg(3He,d) reactions. Phys Rev C Nucl Phys 1989; 40:1933-1936. [PMID: 9966189 DOI: 10.1103/physrevc.40.1933] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
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48
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Peterson RJ, Yasue M, Tanaka MH, Hasegawa T, Nisimura N, Ohnuma H, Shimizu H, Ieki K, Toyokawa H, Iwase M, Iimura J, Hayakawa SI. Forbidden (p,d) pickup to stretched states of 26Al. Phys Rev C Nucl Phys 1988; 38:2026-2035. [PMID: 9955024 DOI: 10.1103/physrevc.38.2026] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
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49
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Peterson RJ, Yasue M, Tanaka MH, Hasegawa T, Nisimura N, Ohnuma H, Shimizu H, Ieki K, Toyokawa H, Iwase M, Iimura J, Hayakawa SI. 25Mg(3He,d)26Al to high spin states. Phys Rev C Nucl Phys 1988; 38:1130-1138. [PMID: 9954914 DOI: 10.1103/physrevc.38.1130] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
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50
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Kurusu E, Nishimura M, Yonaha S, Toyokawa H, Miyake Y. [Attitude of mothers toward child-rearing. (1). A survey at Yonaguni-cho, Okinawa Pref]. Hokenfu Zasshi 1979; 35:219-27. [PMID: 254796] [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: 12/14/2022]
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