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Carroll RJ, Podolyák Z, Berry T, Grawe H, Alexander T, Andreyev AN, Ansari S, Borge MJG, Brunet M, Creswell JR, Fraile LM, Fahlander C, Fynbo HOU, Gamba ER, Gelletly W, Gerst RB, Górska M, Gredley A, Greenlees PT, Harkness-Brennan LJ, Huyse M, Judge SM, Judson DS, Konki J, Kurcewicz J, Kuti I, Lalkovski S, Lazarus IH, Lică R, Lund M, Madurga M, Marginean N, Marginean R, Marroquin I, Mihai C, Mihai RE, Nácher E, Negret A, Nita C, Pascu S, Page RD, Patel Z, Perea A, Phrompao J, Piersa M, Pucknell V, Rahkila P, Rapisarda E, Regan PH, Rotaru F, Rudigier M, Shand CM, Shearman R, Stegemann S, Stora T, Sotty C, Tengblad O, Van Duppen P, Vedia V, Wadsworth R, Walker PM, Warr N, Wearing F, De Witte H. Competition between Allowed and First-Forbidden β Decay: The Case of ^{208}Hg→^{208}Tl. Phys Rev Lett 2020; 125:192501. [PMID: 33216605 DOI: 10.1103/physrevlett.125.192501] [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] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/07/2020] [Revised: 09/21/2020] [Accepted: 10/07/2020] [Indexed: 06/11/2023]
Abstract
The β decay of ^{208}Hg into the one-proton hole, one neutron-particle _{81}^{208}Tl_{127} nucleus was investigated at CERN-ISOLDE. Shell-model calculations describe well the level scheme deduced, validating the proton-neutron interactions used, with implications for the whole of the N>126, Z<82 quadrant of neutron-rich nuclei. While both negative and positive parity states with spin 0 and 1 are expected within the Q_{β} window, only three negative parity states are populated directly in the β decay. The data provide a unique test of the competition between allowed Gamow-Teller and Fermi, and first-forbidden β decays, essential for the understanding of the nucleosynthesis of heavy nuclei in the rapid neutron capture process. Furthermore, the observation of the parity changing 0^{+}→0^{-}β decay where the daughter state is core excited is unique, and can provide information on mesonic corrections of effective operators.
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Affiliation(s)
- R J Carroll
- Department of Physics, University of Surrey, Guildford GU2 7XH, United Kingdom
| | - Zs Podolyák
- Department of Physics, University of Surrey, Guildford GU2 7XH, United Kingdom
- ExtreMe Matter Institute EMMI, GSI Helmholtzzentrum für Schwerionenforschung, Planckstrasse 1, 64291 Darmstadt, Germany
| | - T Berry
- Department of Physics, University of Surrey, Guildford GU2 7XH, United Kingdom
| | - H Grawe
- GSI Helmholtzzentrum für Schwerionenforschung GmbH, Planckstrasse 1, 64291 Darmstadt, Germany
| | - T Alexander
- Department of Physics, University of Surrey, Guildford GU2 7XH, United Kingdom
| | - A N Andreyev
- University of York, Dept Phys, North Yorkshire YO10 5DD, United Kingdom
- Advanced Science Research Center, Japan Atomic Energy Agency, Tokai-mura, Ibaraki 319-1195, Japan
| | - S Ansari
- Institut für Kernphysik der Universität zu Köln, Zülpicher Str. 77, 50937 Köln, Germany
| | - M J G Borge
- CERN, Physics Department, 1211 Geneva 23, Switzerland
| | - M Brunet
- Department of Physics, University of Surrey, Guildford GU2 7XH, United Kingdom
| | - J R Creswell
- Department of Physics, Oliver Lodge Laboratory, University of Liverpool, Liverpool L69 7ZE, United Kingdom
| | - L M Fraile
- Grupo de Física Nuclear & IPARCOS, Universidad Complutense de Madrid, CEI Moncloa, E-28040 Madrid, Spain
| | - C Fahlander
- Department of Physics, Lund University, S-22100 Lund, Sweden
| | - H O U Fynbo
- Department of Physics and Astronomy, Aarhus University, DK-8000 Aarhus, Denmark
| | - E R Gamba
- University of Brighton, Brighton BN2 4GJ, United Kingdom
| | - W Gelletly
- Department of Physics, University of Surrey, Guildford GU2 7XH, United Kingdom
| | - R-B Gerst
- Institut für Kernphysik der Universität zu Köln, Zülpicher Str. 77, 50937 Köln, Germany
| | - M Górska
- GSI Helmholtzzentrum für Schwerionenforschung GmbH, Planckstrasse 1, 64291 Darmstadt, Germany
| | - A Gredley
- Department of Physics, Oliver Lodge Laboratory, University of Liverpool, Liverpool L69 7ZE, United Kingdom
| | - P T Greenlees
- University of Jyvaskyla, Department of Physics, University of Jyvaskyla, P.O. Box 35, FI-40014 Jyvaskyla, Finland
- Helsinki Institute of Physics, University of Helsinki, P.O. Box 64, FI-00014 Helsinki, Finland
| | - L J Harkness-Brennan
- Department of Physics, Oliver Lodge Laboratory, University of Liverpool, Liverpool L69 7ZE, United Kingdom
| | - M Huyse
- KU Leuven, Instituut voor Kern- en Stralingsfysica, Celestijnenlaan 200D, 3001 Leuven, Belgium
| | - S M Judge
- National Physical Laboratory, Teddington, Middlesex TW11 0LW, United Kingdom
| | - D S Judson
- Department of Physics, Oliver Lodge Laboratory, University of Liverpool, Liverpool L69 7ZE, United Kingdom
| | - J Konki
- University of Jyvaskyla, Department of Physics, University of Jyvaskyla, P.O. Box 35, FI-40014 Jyvaskyla, Finland
- Helsinki Institute of Physics, University of Helsinki, P.O. Box 64, FI-00014 Helsinki, Finland
| | - J Kurcewicz
- CERN, Physics Department, 1211 Geneva 23, Switzerland
| | - I Kuti
- Institute of Nuclear Research of the Hungarian Academy of Sciences, 4026 Debrecen, Hungary
| | - S Lalkovski
- Department of Physics, University of Surrey, Guildford GU2 7XH, United Kingdom
| | - I H Lazarus
- STFC, Daresbury Laboratory, Warrington WA4 4AD, United Kingdom
| | - R Lică
- CERN, Physics Department, 1211 Geneva 23, Switzerland
- Horea Hulubei National Institute for Physics and Nuclear Engineering, RO-077125 Bucharest, Romania
| | - M Lund
- Department of Physics and Astronomy, Aarhus University, DK-8000 Aarhus, Denmark
| | - M Madurga
- CERN, Physics Department, 1211 Geneva 23, Switzerland
- Department of Physics and Astronomy, University of Tennessee, Knoxville, Tennessee 37996, USA
| | - N Marginean
- Horea Hulubei National Institute for Physics and Nuclear Engineering, RO-077125 Bucharest, Romania
| | - R Marginean
- Horea Hulubei National Institute for Physics and Nuclear Engineering, RO-077125 Bucharest, Romania
| | - I Marroquin
- Instituto de Estructura de la Materia, CSIC, Serrano 113 bis, E-28006 Madrid, Spain
| | - C Mihai
- Horea Hulubei National Institute for Physics and Nuclear Engineering, RO-077125 Bucharest, Romania
| | - R E Mihai
- Horea Hulubei National Institute for Physics and Nuclear Engineering, RO-077125 Bucharest, Romania
| | - E Nácher
- Instituto de Estructura de la Materia, CSIC, Serrano 113 bis, E-28006 Madrid, Spain
| | - A Negret
- Horea Hulubei National Institute for Physics and Nuclear Engineering, RO-077125 Bucharest, Romania
| | - C Nita
- University of Brighton, Brighton BN2 4GJ, United Kingdom
- Horea Hulubei National Institute for Physics and Nuclear Engineering, RO-077125 Bucharest, Romania
| | - S Pascu
- Horea Hulubei National Institute for Physics and Nuclear Engineering, RO-077125 Bucharest, Romania
| | - R D Page
- Department of Physics, Oliver Lodge Laboratory, University of Liverpool, Liverpool L69 7ZE, United Kingdom
| | - Z Patel
- Department of Physics, University of Surrey, Guildford GU2 7XH, United Kingdom
| | - A Perea
- Instituto de Estructura de la Materia, CSIC, Serrano 113 bis, E-28006 Madrid, Spain
| | - J Phrompao
- Department of Physics and Materials Science, Chiang Mai University, 50200 Chiang Mai, Thailand
| | - M Piersa
- Faculty of Physics, University of Warsaw, PL 02-093 Warsaw, Poland
| | - V Pucknell
- STFC, Daresbury Laboratory, Warrington WA4 4AD, United Kingdom
| | - P Rahkila
- University of Jyvaskyla, Department of Physics, University of Jyvaskyla, P.O. Box 35, FI-40014 Jyvaskyla, Finland
- Helsinki Institute of Physics, University of Helsinki, P.O. Box 64, FI-00014 Helsinki, Finland
| | - E Rapisarda
- CERN, Physics Department, 1211 Geneva 23, Switzerland
| | - P H Regan
- Department of Physics, University of Surrey, Guildford GU2 7XH, United Kingdom
- National Physical Laboratory, Teddington, Middlesex TW11 0LW, United Kingdom
| | - F Rotaru
- Horea Hulubei National Institute for Physics and Nuclear Engineering, RO-077125 Bucharest, Romania
| | - M Rudigier
- Department of Physics, University of Surrey, Guildford GU2 7XH, United Kingdom
| | - C M Shand
- Department of Physics, University of Surrey, Guildford GU2 7XH, United Kingdom
| | - R Shearman
- Department of Physics, University of Surrey, Guildford GU2 7XH, United Kingdom
- National Physical Laboratory, Teddington, Middlesex TW11 0LW, United Kingdom
| | - S Stegemann
- Institut für Kernphysik der Universität zu Köln, Zülpicher Str. 77, 50937 Köln, Germany
| | - T Stora
- CERN, Physics Department, 1211 Geneva 23, Switzerland
| | - Ch Sotty
- KU Leuven, Instituut voor Kern- en Stralingsfysica, Celestijnenlaan 200D, 3001 Leuven, Belgium
- Horea Hulubei National Institute for Physics and Nuclear Engineering, RO-077125 Bucharest, Romania
| | - O Tengblad
- Instituto de Estructura de la Materia, CSIC, Serrano 113 bis, E-28006 Madrid, Spain
| | - P Van Duppen
- KU Leuven, Instituut voor Kern- en Stralingsfysica, Celestijnenlaan 200D, 3001 Leuven, Belgium
| | - V Vedia
- Grupo de Física Nuclear & IPARCOS, Universidad Complutense de Madrid, CEI Moncloa, E-28040 Madrid, Spain
| | - R Wadsworth
- University of York, Dept Phys, North Yorkshire YO10 5DD, United Kingdom
| | - P M Walker
- Department of Physics, University of Surrey, Guildford GU2 7XH, United Kingdom
| | - N Warr
- Institut für Kernphysik der Universität zu Köln, Zülpicher Str. 77, 50937 Köln, Germany
| | - F Wearing
- Department of Physics, Oliver Lodge Laboratory, University of Liverpool, Liverpool L69 7ZE, United Kingdom
| | - H De Witte
- KU Leuven, Instituut voor Kern- en Stralingsfysica, Celestijnenlaan 200D, 3001 Leuven, Belgium
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2
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Ferrer R, Barzakh A, Bastin B, Beerwerth R, Block M, Creemers P, Grawe H, de Groote R, Delahaye P, Fléchard X, Franchoo S, Fritzsche S, Gaffney LP, Ghys L, Gins W, Granados C, Heinke R, Hijazi L, Huyse M, Kron T, Kudryavtsev Y, Laatiaoui M, Lecesne N, Loiselet M, Lutton F, Moore ID, Martínez Y, Mogilevskiy E, Naubereit P, Piot J, Raeder S, Rothe S, Savajols H, Sels S, Sonnenschein V, Thomas JC, Traykov E, Van Beveren C, Van den Bergh P, Van Duppen P, Wendt K, Zadvornaya A. Towards high-resolution laser ionization spectroscopy of the heaviest elements in supersonic gas jet expansion. Nat Commun 2017; 8:14520. [PMID: 28224987 PMCID: PMC5322538 DOI: 10.1038/ncomms14520] [Citation(s) in RCA: 72] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2016] [Accepted: 01/09/2017] [Indexed: 11/09/2022] Open
Abstract
Resonant laser ionization and spectroscopy are widely used techniques at radioactive ion beam facilities to produce pure beams of exotic nuclei and measure the shape, size, spin and electromagnetic multipole moments of these nuclei. However, in such measurements it is difficult to combine a high efficiency with a high spectral resolution. Here we demonstrate the on-line application of atomic laser ionization spectroscopy in a supersonic gas jet, a technique suited for high-precision studies of the ground- and isomeric-state properties of nuclei located at the extremes of stability. The technique is characterized in a measurement on actinium isotopes around the N=126 neutron shell closure. A significant improvement in the spectral resolution by more than one order of magnitude is achieved in these experiments without loss in efficiency.
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Affiliation(s)
- R Ferrer
- KU Leuven, Instituut voor Kern-en Stralingsfysica, Celestijnenlaan 200D, B-3001 Leuven, Belgium
| | - A Barzakh
- Petersburg Nuclear Physics Institute, NRC Kurchatov Institute, 188300 Gatchina, Russia
| | - B Bastin
- GANIL, CEA/DRF-CNRS/IN2P3, B.P. 55027, 14076 Caen Cedex 05, France
| | - R Beerwerth
- Helmholtz Institute Jena, Fröbelstieg 3, 07743 Jena, Germany.,Theoretisch-Physikalisches Institut, Friedrich-Schiller-Universität Jena, D-07743 Jena, Germany
| | - M Block
- GSI Helmholtzzentrum für Schwerionenforschung GmbH, 64291 Darmstadt, Germany.,Helmholtz Institute Mainz, 55099 Mainz, Germany.,Institut für Kernchemie, Johannes Gutenberg-Universität Mainz, Fritz-Strassmann-Weg 2, 55128 Mainz, Germany
| | - P Creemers
- KU Leuven, Instituut voor Kern-en Stralingsfysica, Celestijnenlaan 200D, B-3001 Leuven, Belgium
| | - H Grawe
- GSI Helmholtzzentrum für Schwerionenforschung GmbH, 64291 Darmstadt, Germany
| | - R de Groote
- KU Leuven, Instituut voor Kern-en Stralingsfysica, Celestijnenlaan 200D, B-3001 Leuven, Belgium
| | - P Delahaye
- GANIL, CEA/DRF-CNRS/IN2P3, B.P. 55027, 14076 Caen Cedex 05, France
| | - X Fléchard
- Normandie Univ, ENSICAEN, UNICAEN, CNRS/IN2P3, LPC Caen, 14000 Caen, France
| | - S Franchoo
- Institute de Physique Nucléaire (IPN) d'Orsay, 91406 Orsay Cedex, France
| | - S Fritzsche
- Helmholtz Institute Jena, Fröbelstieg 3, 07743 Jena, Germany.,Theoretisch-Physikalisches Institut, Friedrich-Schiller-Universität Jena, D-07743 Jena, Germany
| | - L P Gaffney
- KU Leuven, Instituut voor Kern-en Stralingsfysica, Celestijnenlaan 200D, B-3001 Leuven, Belgium
| | - L Ghys
- KU Leuven, Instituut voor Kern-en Stralingsfysica, Celestijnenlaan 200D, B-3001 Leuven, Belgium.,SCK·CEN, Belgian Nuclear Research Center, Boeretang 200, 2400 Mol, Belgium
| | - W Gins
- KU Leuven, Instituut voor Kern-en Stralingsfysica, Celestijnenlaan 200D, B-3001 Leuven, Belgium
| | - C Granados
- KU Leuven, Instituut voor Kern-en Stralingsfysica, Celestijnenlaan 200D, B-3001 Leuven, Belgium
| | - R Heinke
- Institut für Physik, Johannes Gutenberg-Universität Mainz, 55128 Mainz, Germany
| | - L Hijazi
- GANIL, CEA/DRF-CNRS/IN2P3, B.P. 55027, 14076 Caen Cedex 05, France
| | - M Huyse
- KU Leuven, Instituut voor Kern-en Stralingsfysica, Celestijnenlaan 200D, B-3001 Leuven, Belgium
| | - T Kron
- Institut für Physik, Johannes Gutenberg-Universität Mainz, 55128 Mainz, Germany
| | - Yu Kudryavtsev
- KU Leuven, Instituut voor Kern-en Stralingsfysica, Celestijnenlaan 200D, B-3001 Leuven, Belgium
| | - M Laatiaoui
- GSI Helmholtzzentrum für Schwerionenforschung GmbH, 64291 Darmstadt, Germany.,Helmholtz Institute Mainz, 55099 Mainz, Germany
| | - N Lecesne
- GANIL, CEA/DRF-CNRS/IN2P3, B.P. 55027, 14076 Caen Cedex 05, France
| | - M Loiselet
- Université catholique de Louvain, Centre de Ressources du Cyclotron, B-1348 Louvain-la-Neuve, Belgium
| | - F Lutton
- GANIL, CEA/DRF-CNRS/IN2P3, B.P. 55027, 14076 Caen Cedex 05, France
| | - I D Moore
- Department of Physics, University of Jyväskylä, PO Box 35 (YFL), Jyväskylä FI-40014, Finland
| | - Y Martínez
- KU Leuven, Instituut voor Kern-en Stralingsfysica, Celestijnenlaan 200D, B-3001 Leuven, Belgium.,CERN, CH-1211 Genève, Switzerland
| | - E Mogilevskiy
- KU Leuven, Instituut voor Kern-en Stralingsfysica, Celestijnenlaan 200D, B-3001 Leuven, Belgium.,Faculty of Mechanics and Mathematics, Lomonosov Moscow State University, Leninskie gory, 1, 119992 Moscow, Russia
| | - P Naubereit
- Institut für Physik, Johannes Gutenberg-Universität Mainz, 55128 Mainz, Germany
| | - J Piot
- GANIL, CEA/DRF-CNRS/IN2P3, B.P. 55027, 14076 Caen Cedex 05, France
| | - S Raeder
- KU Leuven, Instituut voor Kern-en Stralingsfysica, Celestijnenlaan 200D, B-3001 Leuven, Belgium
| | - S Rothe
- CERN, CH-1211 Genève, Switzerland
| | - H Savajols
- GANIL, CEA/DRF-CNRS/IN2P3, B.P. 55027, 14076 Caen Cedex 05, France
| | - S Sels
- KU Leuven, Instituut voor Kern-en Stralingsfysica, Celestijnenlaan 200D, B-3001 Leuven, Belgium
| | - V Sonnenschein
- Department of Physics, University of Jyväskylä, PO Box 35 (YFL), Jyväskylä FI-40014, Finland
| | - J-C Thomas
- GANIL, CEA/DRF-CNRS/IN2P3, B.P. 55027, 14076 Caen Cedex 05, France
| | - E Traykov
- GANIL, CEA/DRF-CNRS/IN2P3, B.P. 55027, 14076 Caen Cedex 05, France
| | - C Van Beveren
- KU Leuven, Instituut voor Kern-en Stralingsfysica, Celestijnenlaan 200D, B-3001 Leuven, Belgium
| | - P Van den Bergh
- KU Leuven, Instituut voor Kern-en Stralingsfysica, Celestijnenlaan 200D, B-3001 Leuven, Belgium
| | - P Van Duppen
- KU Leuven, Instituut voor Kern-en Stralingsfysica, Celestijnenlaan 200D, B-3001 Leuven, Belgium
| | - K Wendt
- Institut für Physik, Johannes Gutenberg-Universität Mainz, 55128 Mainz, Germany
| | - A Zadvornaya
- KU Leuven, Instituut voor Kern-en Stralingsfysica, Celestijnenlaan 200D, B-3001 Leuven, Belgium
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Moschner K, Blazhev A, Warr N, Boutachkov P, Davies P, Wadsworth R, Ameil F, Baba H, Bäck T, Dewald M, Doornenbal P, Faestermann T, Gengelbach A, Gerl J, Gernhäuser R, Go S, Górska M, Grawe H, Gregor E, Hotaka H, Isobe T, Jenkins DG, Jolie J, Jung HS, Kojouharov I, Kurz N, Lewitowicz M, Lorusso G, Merchan E, Naqvi F, Nishibata H, Nishimura D, Nishimura S, Pietralla N, Schaffner H, Söderström PA, Steiger K, Sumikama T, Taprogge J, Thöle P, Watanabe H, Werner V, Xu ZY, Yagi A, Yoshinaga K, Zhu Y. Study of ground and excited state decays inN≈ZAg nuclei. EPJ Web of Conferences 2015. [DOI: 10.1051/epjconf/20159301024] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Rejmund M, Maier KH, Broda R, Lach M, Wrzesiński J, Agramunt J, Blomqvist J, Gadea A, Gerl J, Górska M, Grawe H, Kaspar M, Kozhoukharov I, Peter I, Schaffner H, Schubart R, Schlegel C, Stengel G, Wan S, Wollersheim HJ. High spin states in 210Pb. ACTA ACUST UNITED AC 2014. [DOI: 10.1007/s002180050397] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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5
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Taprogge J, Jungclaus A, Grawe H, Nishimura S, Doornenbal P, Lorusso G, Simpson GS, Söderström PA, Sumikama T, Xu ZY, Baba H, Browne F, Fukuda N, Gernhäuser R, Gey G, Inabe N, Isobe T, Jung HS, Kameda D, Kim GD, Kim YK, Kojouharov I, Kubo T, Kurz N, Kwon YK, Li Z, Sakurai H, Schaffner H, Steiger K, Suzuki H, Takeda H, Vajta Z, Watanabe H, Wu J, Yagi A, Yoshinaga K, Benzoni G, Bönig S, Chae KY, Coraggio L, Covello A, Daugas JM, Drouet F, Gadea A, Gargano A, Ilieva S, Kondev FG, Kröll T, Lane GJ, Montaner-Pizá A, Moschner K, Mücher D, Naqvi F, Niikura M, Nishibata H, Odahara A, Orlandi R, Patel Z, Podolyák Z, Wendt A. 1p3/2 proton-hole state in 132Sn and the shell structure along N = 82. Phys Rev Lett 2014; 112:132501. [PMID: 24745408 DOI: 10.1103/physrevlett.112.132501] [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: 01/31/2014] [Indexed: 06/03/2023]
Abstract
A low-lying state in 131In82, the one-proton hole nucleus with respect to double magic 132Sn, was observed by its γ decay to the Iπ=1/2- β-emitting isomer. We identify the new state at an excitation energy of Ex=1353 keV, which was populated both in the β decay of 131Cd83 and after β-delayed neutron emission from 132Cd84, as the previously unknown πp3/2 single-hole state with respect to the 132Sn core. Exploiting this crucial new experimental information, shell-model calculations were performed to study the structure of experimentally inaccessible N=82 isotones below 132Sn. The results evidence a surprising absence of proton subshell closures along the chain of N=82 isotones. The consequences of this finding for the evolution of the N=82 shell gap along the r-process path are discussed.
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Affiliation(s)
- J Taprogge
- Instituto de Estructura de la Materia, CSIC, E-28006 Madrid, Spain and Departamento de Física Teórica, Universidad Autónoma de Madrid, E-28049 Madrid, Spain and RIKEN Nishina Center, RIKEN, 2-1 Hirosawa, Wako-shi, Saitama 351-0198, Japan
| | - A Jungclaus
- Instituto de Estructura de la Materia, CSIC, E-28006 Madrid, Spain
| | - H Grawe
- GSI Helmholtzzentrum für Schwerionenforschung GmbH, 64291 Darmstadt, Germany
| | - S Nishimura
- RIKEN Nishina Center, RIKEN, 2-1 Hirosawa, Wako-shi, Saitama 351-0198, Japan
| | - P Doornenbal
- RIKEN Nishina Center, RIKEN, 2-1 Hirosawa, Wako-shi, Saitama 351-0198, Japan
| | - G Lorusso
- RIKEN Nishina Center, RIKEN, 2-1 Hirosawa, Wako-shi, Saitama 351-0198, Japan
| | - G S Simpson
- LPSC, Université Joseph Fourier Grenoble 1, CNRS/IN2P3, Institut National Polytechnique de Grenoble, F-38026 Grenoble Cedex, France
| | - P-A Söderström
- RIKEN Nishina Center, RIKEN, 2-1 Hirosawa, Wako-shi, Saitama 351-0198, Japan
| | - T Sumikama
- Department of Physics, Tohoku University, Aoba, Sendai, Miyagi 980-8578, Japan
| | - Z Y Xu
- Department of Physics, University of Tokyo, Hongo 7-3-1, Bunkyo-ku, 113-0033 Tokyo, Japan
| | - H Baba
- RIKEN Nishina Center, RIKEN, 2-1 Hirosawa, Wako-shi, Saitama 351-0198, Japan
| | - F Browne
- RIKEN Nishina Center, RIKEN, 2-1 Hirosawa, Wako-shi, Saitama 351-0198, Japan and School of Computing, Engineering and Mathematics, University of Brighton, Brighton BN2 4JG, United Kingdom
| | - N Fukuda
- RIKEN Nishina Center, RIKEN, 2-1 Hirosawa, Wako-shi, Saitama 351-0198, Japan
| | - R Gernhäuser
- Physik Department E12, Technische Universität München, D-85748 Garching, Germany
| | - G Gey
- RIKEN Nishina Center, RIKEN, 2-1 Hirosawa, Wako-shi, Saitama 351-0198, Japan and LPSC, Université Joseph Fourier Grenoble 1, CNRS/IN2P3, Institut National Polytechnique de Grenoble, F-38026 Grenoble Cedex, France and Institut Laue-Langevin, B.P. 156, F-38042 Grenoble Cedex 9, France
| | - N Inabe
- RIKEN Nishina Center, RIKEN, 2-1 Hirosawa, Wako-shi, Saitama 351-0198, Japan
| | - T Isobe
- RIKEN Nishina Center, RIKEN, 2-1 Hirosawa, Wako-shi, Saitama 351-0198, Japan
| | - H S Jung
- Department of Physics, Chung-Ang University, Seoul 156-756, Republic of Korea
| | - D Kameda
- RIKEN Nishina Center, RIKEN, 2-1 Hirosawa, Wako-shi, Saitama 351-0198, Japan
| | - G D Kim
- Rare Isotope Science Project, Institute for Basic Science, Daejeon 305-811, Republic of Korea
| | - Y-K Kim
- Rare Isotope Science Project, Institute for Basic Science, Daejeon 305-811, Republic of Korea and Department of Nuclear Engineering, Hanyang University, Seoul 133-791, Republic of Korea
| | - I Kojouharov
- GSI Helmholtzzentrum für Schwerionenforschung GmbH, 64291 Darmstadt, Germany
| | - T Kubo
- RIKEN Nishina Center, RIKEN, 2-1 Hirosawa, Wako-shi, Saitama 351-0198, Japan
| | - N Kurz
- GSI Helmholtzzentrum für Schwerionenforschung GmbH, 64291 Darmstadt, Germany
| | - Y K Kwon
- Rare Isotope Science Project, Institute for Basic Science, Daejeon 305-811, Republic of Korea
| | - Z Li
- School of Physics and State key Laboratory of Nuclear Physics and Technology, Peking University, Beijing 100871, China
| | - H Sakurai
- RIKEN Nishina Center, RIKEN, 2-1 Hirosawa, Wako-shi, Saitama 351-0198, Japan and Department of Physics, University of Tokyo, Hongo 7-3-1, Bunkyo-ku, 113-0033 Tokyo, Japan
| | - H Schaffner
- GSI Helmholtzzentrum für Schwerionenforschung GmbH, 64291 Darmstadt, Germany
| | - K Steiger
- Physik Department E12, Technische Universität München, D-85748 Garching, Germany
| | - H Suzuki
- RIKEN Nishina Center, RIKEN, 2-1 Hirosawa, Wako-shi, Saitama 351-0198, Japan
| | - H Takeda
- RIKEN Nishina Center, RIKEN, 2-1 Hirosawa, Wako-shi, Saitama 351-0198, Japan
| | - Zs Vajta
- RIKEN Nishina Center, RIKEN, 2-1 Hirosawa, Wako-shi, Saitama 351-0198, Japan and MTA Atomki, P.O. Box 51, Debrecen H-4001, Hungary
| | - H Watanabe
- RIKEN Nishina Center, RIKEN, 2-1 Hirosawa, Wako-shi, Saitama 351-0198, Japan
| | - J Wu
- RIKEN Nishina Center, RIKEN, 2-1 Hirosawa, Wako-shi, Saitama 351-0198, Japan and School of Physics and State key Laboratory of Nuclear Physics and Technology, Peking University, Beijing 100871, China
| | - A Yagi
- Department of Physics, Osaka University, Machikaneyama-machi 1-1, Osaka 560-0043 Toyonaka, Japan
| | - K Yoshinaga
- Department of Physics, Faculty of Science and Technology, Tokyo University of Science, 2641 Yamazaki, Noda, Chiba, Japan
| | - G Benzoni
- INFN, Sezione di Milano, via Celoria 16, I-20133 Milano, Italy
| | - S Bönig
- Institut für Kernphysik, Technische Universität Darmstadt, D-64289 Darmstadt, Germany
| | - K Y Chae
- Department of Physics, Sungkyunkwan University, Suwon 440-746, Republic of Korea
| | - L Coraggio
- Istituto Nazionale di Fisica Nucleare, Complesso Universitario di Monte S. Angelo, I-80126 Napoli, Italy
| | - A Covello
- Istituto Nazionale di Fisica Nucleare, Complesso Universitario di Monte S. Angelo, I-80126 Napoli, Italy and Dipartimento di Fisica, Università di Napoli Federico II, Complesso Universitario di Monte S. Angelo, I-80126 Napoli, Italy
| | - J-M Daugas
- CEA, DAM, DIF, 91297 Arpajon cedex, France
| | - F Drouet
- LPSC, Université Joseph Fourier Grenoble 1, CNRS/IN2P3, Institut National Polytechnique de Grenoble, F-38026 Grenoble Cedex, France
| | - A Gadea
- Instituto de Fsica Corpuscular, CSIC-University of Valencia, E-46980 Paterna, Spain
| | - A Gargano
- Istituto Nazionale di Fisica Nucleare, Complesso Universitario di Monte S. Angelo, I-80126 Napoli, Italy
| | - S Ilieva
- Institut für Kernphysik, Technische Universität Darmstadt, D-64289 Darmstadt, Germany
| | - F G Kondev
- Nuclear Engineering Division, Argonne National Laboratory, Argonne, Illinois 60439, USA
| | - T Kröll
- Institut für Kernphysik, Technische Universität Darmstadt, D-64289 Darmstadt, Germany
| | - G J Lane
- Department of Nuclear Physics, Research School of Physical Sciences and Engineering, Australian National University, Canberra, Australian Capital Territory 0200, Australia
| | - A Montaner-Pizá
- Instituto de Fsica Corpuscular, CSIC-University of Valencia, E-46980 Paterna, Spain
| | - K Moschner
- IKP, University of Cologne, D-50937 Cologne, Germany
| | - D Mücher
- Physik Department E12, Technische Universität München, D-85748 Garching, Germany
| | - F Naqvi
- Wright Nuclear Structure Laboratory, Yale University, New Haven, Connecticut 06520-8120, USA
| | - M Niikura
- Department of Physics, University of Tokyo, Hongo 7-3-1, Bunkyo-ku, 113-0033 Tokyo, Japan
| | - H Nishibata
- Department of Physics, Osaka University, Machikaneyama-machi 1-1, Osaka 560-0043 Toyonaka, Japan
| | - A Odahara
- Department of Physics, Osaka University, Machikaneyama-machi 1-1, Osaka 560-0043 Toyonaka, Japan
| | - R Orlandi
- Instituut voor Kern- en StralingsFysica, K.U. Leuven, B-3001 Heverlee, Belgium and Advanced Science Research Center, Japan Atomic Energy Agency, Tokai, Ibaraki, 319-1195, Japan
| | - Z Patel
- Department of Physics, University of Surrey, Guildford GU2 7XH, United Kingdom
| | - Zs Podolyák
- Department of Physics, University of Surrey, Guildford GU2 7XH, United Kingdom
| | - A Wendt
- IKP, University of Cologne, D-50937 Cologne, Germany
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6
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Wilson E, Podolyák Z, Fornal B, Janssens RVF, Bowry M, Bunce M, Carpenter MP, Chiara CJ, Cieplicka N, Deo AY, Dracoulis GD, Grawe H, Hoffman CR, Kempley RS, Kondev FG, Lane GJ, Lauritsen T, Reed MW, Regan PH, Rodríguez Triguero C, Szpak B, Walker PM, Zhu S. Study of 207Tl 126Produced in Deep-Inelastic Reactions. EPJ Web of Conferences 2014. [DOI: 10.1051/epjconf/20146602110] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
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7
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Guastalla G, DiJulio DD, Górska M, Cederkäll J, Boutachkov P, Golubev P, Pietri S, Grawe H, Nowacki F, Sieja K, Algora A, Ameil F, Arici T, Atac A, Bentley MA, Blazhev A, Bloor D, Brambilla S, Braun N, Camera F, Dombrádi Z, Domingo Pardo C, Estrade A, Farinon F, Gerl J, Goel N, Grȩbosz J, Habermann T, Hoischen R, Jansson K, Jolie J, Jungclaus A, Kojouharov I, Knoebel R, Kumar R, Kurcewicz J, Kurz N, Lalović N, Merchan E, Moschner K, Naqvi F, Nara Singh BS, Nyberg J, Nociforo C, Obertelli A, Pfützner M, Pietralla N, Podolyák Z, Prochazka A, Ralet D, Reiter P, Rudolph D, Schaffner H, Schirru F, Scruton L, Sohler D, Swaleh T, Taprogge J, Vajta Z, Wadsworth R, Warr N, Weick H, Wendt A, Wieland O, Winfield JS, Wollersheim HJ. Coulomb excitation of 104Sn and the strength of the 100Sn shell closure. Phys Rev Lett 2013; 110:172501. [PMID: 23679711 DOI: 10.1103/physrevlett.110.172501] [Citation(s) in RCA: 5] [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: 01/16/2013] [Indexed: 06/02/2023]
Abstract
A measurement of the reduced transition probability for the excitation of the ground state to the first 2+ state in 104Sn has been performed using relativistic Coulomb excitation at GSI. 104Sn is the lightest isotope in the Sn chain for which this quantity has been measured. The result is a key point in the discussion of the evolution of nuclear structure in the proximity of the doubly magic nucleus 100Sn. The value B(E2; 0+ → 2+) = 0.10(4) e2b2 is significantly lower than earlier results for 106Sn and heavier isotopes. The result is well reproduced by shell model predictions and therefore indicates a robust N = Z = 50 shell closure.
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Affiliation(s)
- G Guastalla
- Institut für Kernphysik, Technische Universität Darmstadt, Darmstadt, Germany
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8
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Staller B, Schneider R, Grawe H, Beck FJ, Mayer E, Sigmund M. [Progredient "pulmonary thromboembolism" in spite of sufficient anticoagulant therapy?]. Dtsch Med Wochenschr 2013; 138:638-41. [PMID: 23512363 DOI: 10.1055/s-0032-1333011] [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: 10/27/2022]
Abstract
HISTORY AND ADMISSION FINDINGS A 43-year-old woman presented with persistent dry cough and exertional dyspnoea for about 6 months. An outpatient CT scan of the chest led to the diagnosis of pulmonary thromboembolism. INVESTIGATIONS The echocardiography showed signs of right ventricular load. Phlebothrombosis, thrombophilia or an active malignant disease were excluded. TREATMENT AND COURSE An anticoagulant therapy was started in the hemodynamically stable patient. She was discharged in good condition. Four weeks later the patient was readmitted with worsening of symptoms. The CT scan showed progression of the findings in spite of sufficient anticoagulant therapy. Echocardiography revealed an increase of the right ventricular load. A systemic thrombolysis with 100 mg alteplase followed, but without any change. Subsequently, the suspicion of an intraluminal growing tumorous mass was confirmed. A tumor-endarterectomy with reconstruction of the left pulmonary artery together with a pericardial patch and an extensive pneumonectomy on the right were performed. Histopathologically and immunohistochemically a pulmonary artery sarcoma with the differentiation of a leiomyosarcoma was diagnosed. CONCLUSION The primary pulmonary artery sarcoma is a rare disease and pulmonary thromboembolism must be considered for differential diagnosis. In the CT scan a low-attenuation filling defect occupying the entire luminal diameter of the pulmonary artery, expansion of the involved arteries or extraluminal tumor extension can lead to a suspected diagnosis. Furthermore in case of a progression of the findings under sufficient anticoagulant therapy a primary pulmonary sarcoma has to be considered as differential diagnosis. Complete surgical resection offers the only chance of cure.
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Affiliation(s)
- B Staller
- Medizinische Klinik I, Dr. Horst Schmidt Kliniken (HSK) Wiesbaden, Germany
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9
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Nara Singh BS, Liu Z, Wadsworth R, Grawe H, Brock TS, Boutachkov P, Braun N, Blazhev A, Górska M, Pietri S, Rudolph D, Domingo-Pardo C, Steer SJ, Ataç A, Bettermann L, Cáceres L, Eppinger K, Engert T, Faestermann T, Farinon F, Finke F, Geibel K, Gerl J, Gernhäuser R, Goel N, Gottardo A, Grębosz J, Hinke C, Hoischen R, Ilie G, Iwasaki H, Jolie J, Kaşkaş A, Kojouharov I, Krücken R, Kurz N, Merchán E, Nociforo C, Nyberg J, Pfützner M, Prochazka A, Podolyák Z, Regan PH, Reiter P, Rinta-Antila S, Scholl C, Schaffner H, Söderström PA, Warr N, Weick H, Wollersheim HJ, Woods PJ, Nowacki F, Sieja K. 16+ spin-gap isomer in 96Cd. Phys Rev Lett 2011; 107:172502. [PMID: 22107511 DOI: 10.1103/physrevlett.107.172502] [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: 08/10/2011] [Indexed: 05/31/2023]
Abstract
A β-decaying high-spin isomer in (96)Cd, with a half-life T(1/2)=0.29(-0.10)(+0.11) s, has been established in a stopped beam rare isotope spectroscopic investigations at GSI (RISING) experiment. The nuclei were produced using the fragmentation of a primary beam of (124)Xe on a (9)Be target. From the half-life and the observed γ decays in the daughter nucleus, (96)Ag, we conclude that the β-decaying state is the long predicted 16(+) "spin-gap" isomer. Shell-model calculations, using the Gross-Frenkel interaction and the πν(p(1/2),g(9/2)) model space, show that the isoscalar component of the neutron-proton interaction is essential to explain the origin of the isomer. Core excitations across the N=Z=50 gaps and the Gamow-Teller strength, B(GT) distributions have been studied via large-scale shell-model calculations using the πν(g,d,s) model space to compare with the experimental B(GT) value obtained from the half-life of the isomer.
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Affiliation(s)
- B S Nara Singh
- Department of Physics, University of York, Heslington, York, YO10 5DD, United Kingdom
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10
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Jungclaus A, Cáceres L, Górska M, Pfützner M, Pietri S, Werner-Malento E, Grawe H, Langanke K, Martínez-Pinedo G, Nowacki F, Poves A, Cuenca-García JJ, Rudolph D, Podolyak Z, Regan PH, Detistov P, Lalkovski S, Modamio V, Walker J, Bednarczyk P, Doornenbal P, Geissel H, Gerl J, Grebosz J, Kojouharov I, Kurz N, Prokopowicz W, Schaffner H, Wollersheim HJ, Andgren K, Benlliure J, Benzoni G, Bruce AM, Casarejos E, Cederwall B, Crespi FCL, Hadinia B, Hellström M, Hoischen R, Ilie G, Jolie J, Khaplanov A, Kmiecik M, Kumar R, Maj A, Mandal S, Montes F, Myalski S, Simpson GS, Steer SJ, Tashenov S, Wieland O. Observation of isomeric decays in the r-process waiting-point nucleus 130Cd82. Phys Rev Lett 2007; 99:132501. [PMID: 17930581 DOI: 10.1103/physrevlett.99.132501] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/29/2007] [Indexed: 05/25/2023]
Abstract
The gamma decay of excited states in the waiting-point nucleus (130)Cd(82) has been observed for the first time. An 8(+) two-quasiparticle isomer has been populated both in the fragmentation of a (136)Xe beam as well as in projectile fission of 238U, making (130)Cd the most neutron-rich N = 82 isotone for which information about excited states is available. The results, interpreted using state-of-the-art nuclear shell-model calculations, show no evidence of an N = 82 shell quenching at Z = 48. They allow us to follow nuclear isomerism throughout a full major neutron shell from (98)Cd(50) to (130)Cd(82) and reveal, in comparison with (76)Ni(48) one major proton shell below, an apparently abnormal scaling of nuclear two-body interactions.
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Affiliation(s)
- A Jungclaus
- Departamento de Física Teórica, Universidad Autónoma de Madrid, E-28049 Madrid, Spain
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11
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Gadea A, Lenzi SM, Lunardi S, Mărginean N, Zuker AP, de Angelis G, Axiotis M, Martínez T, Napoli DR, Farnea E, Menegazzo R, Pavan P, Ur CA, Bazzacco D, Venturelli R, Kleinheinz P, Bednarczyk P, Curien D, Dorvaux O, Nyberg J, Grawe H, Górska M, Palacz M, Lagergren K, Milechina L, Ekman J, Rudolph D, Andreoiu C, Bentley MA, Gelletly W, Rubio B, Algora A, Nacher E, Caballero L, Trotta M, Moszyński M. Observation of 54Ni: cross-conjugate symmetry in f7/2 mirror energy differences. Phys Rev Lett 2006; 97:152501. [PMID: 17155324 DOI: 10.1103/physrevlett.97.152501] [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: 06/01/2006] [Indexed: 05/12/2023]
Abstract
Gamma decays from excited states up to Jpi=6+ in the N=Z-2 nucleus 54Ni have been identified for the first time. Level energies are compared with those of the isobars 54Co and 54Fe and of the cross-conjugate nuclei of mass A=42. The good but puzzling f7/ cross-conjugate symmetry in mirror and triplet energy differences is analyzed. Shell model calculations reproduce the new data but the necessary nuclear charge-dependent phenomenology is not fully explained by modern nucleon-nucleon potentials.
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Affiliation(s)
- A Gadea
- INFN Laboratori Nazionali di Legnaro, Italy
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12
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Perru O, Sorlin O, Franchoo S, Azaiez F, Bouchez E, Bourgeois C, Chatillon A, Daugas JM, Dlouhy Z, Dombrádi Z, Donzaud C, Gaudefroy L, Grawe H, Grévy S, Guillemaud-Mueller D, Hammache F, Ibrahim F, Le Coz Y, Lukyanov SM, Matea I, Mrazek J, Nowacki F, Penionzhkevich YE, de Oliveira Santos F, Pougheon F, Saint-Laurent MG, Sletten G, Stanoiu M, Stodel C, Theisen C, Verney D. Enhanced core polarization in (70)Ni and (74)Zn. Phys Rev Lett 2006; 96:232501. [PMID: 16803374 DOI: 10.1103/physrevlett.96.232501] [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: 05/17/2005] [Revised: 04/26/2006] [Indexed: 05/10/2023]
Abstract
The reduced transition probabilities B(E2;0(+) --> 2(+)(1)) of the neutron-rich (74)Zn and (70)Ni nuclei have been measured by Coulomb excitation in a (208)Pb target at intermediate energy. These nuclei have been produced at Grand Accélérateur National d'Ions Lourds via interactions of a 60A MeV (76)Ge beam with a Be target. The B(E2) value for (70)Ni(42) is unexpectedly large, which indicates that neutrons added above N=40 strongly polarize the Z=28 proton core. In the Zn isotopic chain, the steep rise of B(E2) values beyond N=40 continues up to (74)Zn(44). The enhanced proton core polarization in (70)Ni is attributed to the monopole interaction between the neutron in the g(9/2) and protons in the f(7/2) and f(5/2) spin-orbit partner orbitals. This interaction could result in a weakening of magicity in (78)Ni(50).
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Affiliation(s)
- O Perru
- Institut de Physique Nucléaire, IN2P3-CNRS, F-91406 Orsay Cedex, France
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13
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Grawe H, Katoh M, Kühl HP. Stress cardiomyopathy mimicking acute coronary syndrome: case presentation and review of the literature. Clin Res Cardiol 2006; 95:179-85. [PMID: 16598532 DOI: 10.1007/s00392-006-0346-2] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.2] [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] [Received: 08/23/2005] [Accepted: 11/02/2005] [Indexed: 12/13/2022]
Abstract
Stress cardiomyopathy is a novel clinical syndrome affecting predominantly elderly female patients. It is characterized by severe reversible left ventricular dysfunction demonstrating a peculiar pattern of extensive apical wall motion abnormality known as "apical ballooning". The syndrome is typically precipitated by acute severe emotional, psychological or physical stress. It mimics acute coronary syndrome exhibiting typical clinical and electrocardiographic features of acute myocardial infarction. At angiography, however, significant coronary artery disease is invariably excluded. In the acute phase, the syndrome may be complicated by cardiogenic shock or ventricular fibrillation. Clinical data indicate that the disease is associated with an extensive increase of endogenous cathecholamine levels which may exhibit a direct toxic effect on the myocytes causing non-ischemic myocardial "stunning". This mechanism may have important implications for the management of patients in the acute phase of the disease. The prognosis of stress cardiomyopathy, however, seems favorable with recovery of global and regional myocardial function within a few weeks in the vast majority of patients. Yet, long-term outcome data in larger patient populations are lacking. We report the case of a female patient presenting with stress cardiomyopathy and review the current knowledge of the disease.
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Affiliation(s)
- H Grawe
- Medizinische Klinik I, Universitätsklinikum der RWTH Aachen, Germany
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14
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Mukha I, Roeckl E, Döring J, Batist L, Blazhev A, Grawe H, Hoffman CR, Huyse M, Janas Z, Kirchner R, La Commara M, Mazzocchi C, Plettner C, Tabor SL, Van Duppen P, Wiedeking M. Observation of proton radioactivity of the (21+) high-spin isomer in 94Ag. Phys Rev Lett 2005; 95:022501. [PMID: 16090678 DOI: 10.1103/physrevlett.95.022501] [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: 03/29/2005] [Indexed: 05/03/2023]
Abstract
We have observed direct one-proton decay of the (21+) isomer in the N=Z nuclide 94Ag into high-spin states in 93Pd by detecting protons in coincidence with gamma-gamma correlations and applying gamma gates based on known 93Pd levels. Two decay branches have been identified, with proton energies of 0.79(3) and 1.01(3) MeV and branching ratios of 1.9(5)% and 2.2(4)%, respectively. The corresponding partial half-life values are 21(6) and 18(4) s. The Q value of the direct proton decay of the (21+) isomer was found to be 5.78(3) MeV. The very small reduced widths of the observed proton decays might reflect dominating collective configurations in the (21+) isomer, and the fine structure of the proton spectrum might indicate a strong deformation of this state.
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Affiliation(s)
- I Mukha
- Instituut voor Kern- en Stralingsfysica, Katholieke Universiteit Leuven, B-3001 Leuven, Belgium.
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15
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Sorlin O, Leenhardt S, Donzaud C, Duprat J, Azaiez F, Nowacki F, Grawe H, Dombrádi Z, Amorini F, Astier A, Baiborodin D, Belleguic M, Borcea C, Bourgeois C, Cullen DM, Dlouhy Z, Dragulescu E, Górska M, Grévy S, Guillemaud-Mueller D, Hagemann G, Herskind B, Kiener J, Lemmon R, Lewitowicz M, Lukyanov SM, Mayet P, de Oliveira Santos F, Pantalica D, Penionzhkevich YE, Pougheon F, Poves A, Redon N, Saint-Laurent MG, Scarpaci JA, Sletten G, Stanoiu M, Tarasov O, Theisen C. (68)(28)Ni(40): Magicity versus superfluidity. Phys Rev Lett 2002; 88:092501. [PMID: 11863997 DOI: 10.1103/physrevlett.88.092501] [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: 12/21/2000] [Revised: 11/15/2001] [Indexed: 05/23/2023]
Abstract
The neutron-rich (66,68)Ni have been produced at GANIL via interactions of a 65.9A MeV 70Zn beam with a 58Ni target. Their reduced transition probability B(E2;0(+)(1)-->2+) has been measured for the first time by Coulomb excitation in a (208)Pb target at intermediate energy. The B(E2) value for (68)Ni(40) is unexpectedly small. An analysis in terms of large scale shell model calculations stresses the importance of proton core excitations to reproduce the B(E2) values and indicates the erosion of the N = 40 harmonic-oscillator subshell by neutron-pair scattering.
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Affiliation(s)
- O Sorlin
- Institut de Physique Nucléaire, IN2P3-CNRS, F-91406 Orsay Cedex, France
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16
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Lenzi SM, Mărginean N, Napoli DR, Ur CA, Zuker AP, de Angelis G, Algora A, Axiotis M, Bazzacco D, Belcari N, Bentley MA, Bizzeti PG, Bizzeti-Sona A, Brandolini F, von Brentano P, Bucurescu D, Cameron JA, Chandler C, De Poli M, Dewald A, Eberth H, Farnea E, Gadea A, Garces-Narro J, Gelletly W, Grawe H, Isocrate R, Joss DT, Kalfas CA, Klug T, Lampman T, Lunardi S, Martínez T, Martínez-Pinedo G, Menegazzo R, Nyberg J, Podolyak Z, Poves A, Ribas RV, Rossi Alvarez C, Rubio B, Sánchez-Solano J, Spolaore P, Steinhardt T, Thelen O, Tonev D, Vitturi A, von Oertzen W, Weiszflog M. Coulomb energy differences in t = 1 mirror rotational bands in (50)Fe and (50)Cr. Phys Rev Lett 2001; 87:122501. [PMID: 11580500 DOI: 10.1103/physrevlett.87.122501] [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: 02/20/2001] [Indexed: 05/23/2023]
Abstract
Gamma rays from the N = Z-2 nucleus (50)Fe have been observed, establishing the rotational ground state band up to the state J(pi) = 11+ at 6.994 MeV excitation energy. The experimental Coulomb energy differences, obtained by comparison with the isobaric analog states in its mirror (50)Cr, confirm the qualitative interpretation of the backbending patterns in terms of successive alignments of proton and neutron pairs. A quantitative agreement with experiment has been achieved by exact shell model calculations, incorporating the differences in radii along the yrast bands, and properly renormalizing the Coulomb matrix elements in the pf model space.
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Affiliation(s)
- S M Lenzi
- Dipartimento di Fisica and INFN, Padua, Italy
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Hauschild K, Rejmund M, Grawe H, Caurier E, Nowacki F, Becker F, Le Coz Y, Korten W, Döring J, Górska M, Schmidt K, Dorvaux O, Helariutta K, Jones P, Julin R, Juutinen S, Kettunen H, Leino M, Muikku M, Nieminen P, Rahkila P, Uusitalo J, Azaiez F, Belleguic M. Isomer spectroscopy in (216)(90)Th(126) and the magicity of (218)(92)U(126). Phys Rev Lett 2001; 87:072501. [PMID: 11497885 DOI: 10.1103/physrevlett.87.072501] [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: 05/09/2001] [Indexed: 05/23/2023]
Abstract
Excited states in (216)Th were investigated via prompt and delayed gamma decays and the recoil-decay tagging method. The decay schemes of the I(pi) = (8+), t(1/2) = 128(8) micros, the I(pi) = (11-), t(1/2) = 615(55) ns, and the I(pi) = (14+), t(1/2) > or = 130 ns isomers were established. The configuration pi h(9/2)f(7/2) is assigned to the I(pi) = (8+) isomer, which implies that the h(9/2) and f(7/2) states are nearly degenerate. This is ascribed to increased binding of the f(7/2) orbital by its coupling to a low-lying I(pi) = (3-) state at E(x) = 1687 keV. The role of octupole and pairing correlations for a Z = 92 shell closure prediction is discussed on the basis of shell model calculations.
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Affiliation(s)
- K Hauschild
- DAPNIA/SPhN CEA Saclay, F-91191 Gif-sur-Yvette, France
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Cederkäll J, Lipoglavsek M, Palacz M, Persson J, Ataç A, Fahlander C, Grawe H, Johnson A, Klamra W, Kownacki J, Likar A, Norlin LO, Nyberg J, Schubart R, Seweryniak D, Bednarczyk P, Dombrádi Z, Foltescu D, Jerrestam D, Juutinen S, Mäkelä E, Nyakó BM, Perez G, Roth HA, Shizuma T, Skeppstedt Ö, Sletten G, Törmänen S. Erratum: First evidence for excited states in 101In. Phys Rev C Nucl Phys 1996; 54:960. [PMID: 9971425 DOI: 10.1103/physrevc.54.960] [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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Cederkäll J, Lipoglavsek M, Palacz M, Persson J, Ataç A, Fahlander C, Grawe H, Johnson A, Klamra W, Kownacki J, Likar A, Norlin LO, Nyberg J, Schubart R, Seweryniak D, Bednarczyk P, Dombrádi Z, Foltescu D, Jerrestam D, Juutinen S, Mäkelä E, Nyakó BM, Perez G, Roth HA, Shizuma T, Skeppstedt Ö, Sletten G, Törmänen S. First evidence for excited states in 101In. Phys Rev C Nucl Phys 1996; 53:1955-1958. [PMID: 9971153 DOI: 10.1103/physrevc.53.1955] [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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Lipoglavsek M, Cederkäll J, Palacz M, Persson J, Atac-under-dot A, Blomqvist J, Fahlander C, Grawe H, Johnson A, Kerek A, Klamra W, Kownacki J, Likar A, Norlin L, Nyberg J, Schubart R, Seweryniak D, Bednarczyk P, Dombrádi Z, Foltescu D, Jerrestam D, Juutinen S, Mäkelä E, Perez G, Roth HA, Shizuma T, Skeppstedt Ö, Sletten G, Törmänen S, Vass T. Stability of 10050Sn50 deduced from excited states in 9948Cd51. Phys Rev Lett 1996; 76:888-891. [PMID: 10061577 DOI: 10.1103/physrevlett.76.888] [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: 05/23/2023]
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Hild T, Schmidt-Ott W, Kunze V, Meissner F, Wennemann C, Grawe H. alpha and beta decays of 169-173Os and the nuclear structure of the daughter isotopes. Phys Rev C Nucl Phys 1995; 51:1736-1744. [PMID: 9970242 DOI: 10.1103/physrevc.51.1736] [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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Broda R, Fornal B, Królas W, Pawla T, Bazzacco D, Lunardi S, Rossi-Alvarez C, Menegazzo R, Bednarczyk P, Rico J, Daly PJ, Mayer RH, Sferrazza M, Grawe H, Maier KH, Schubart R. N=40 neutron subshell closure in the 68Ni nucleus. Phys Rev Lett 1995; 74:868-871. [PMID: 10058869 DOI: 10.1103/physrevlett.74.868] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
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Kabadiyski MK, Gross CJ, Harder A, Lieb KP, Rudolph D, Weiszflog M, Altmann J, Dewald A, Eberth J, Mylaeus T, Grawe H, Heese J, Maier K. Transition probabilities between high spin states in 88Mo and 90Mo. Phys Rev C Nucl Phys 1994; 50:110-126. [PMID: 9969640 DOI: 10.1103/physrevc.50.110] [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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Vaska P, Bhattacharjee S, Fossan DB, LaFosse DR, Liang Y, Schnare H, Starosta K, Waring MP, Hibbert I, Wadsworth R, Hauschild K, Beausang CW, Clarke S, Forbes SA, Nolan PJ, Paul ES, Semple AT, Mullins SM, Grawe H, Maier KH. Neutron i13/2 intruder band in 139Sm. Phys Rev C Nucl Phys 1994; 50:104-109. [PMID: 9969639 DOI: 10.1103/physrevc.50.104] [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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Winter G, Schwengner R, Reif J, Prade H, Döring J, Wirowski R, Nicolay N, Grawe H, Schubart R. Excited states built on the 6(-) isomer in 3786Rb49. Phys Rev C Nucl Phys 1994; 49:2427-2439. [PMID: 9969490 DOI: 10.1103/physrevc.49.2427] [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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Heese J, Grawe H, Maier KH, Schubart R, Cristancho F, Gross CJ, Jungclaus A, Lieb KP, Rudolph D, Eberth J, Skoda S. High spin states and shell model description of the neutron deficient nuclei 90Ru and 91Ru. Phys Rev C Nucl Phys 1994; 49:1896-1903. [PMID: 9969418 DOI: 10.1103/physrevc.49.1896] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [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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Broda R, Zhang CT, Kleinheinz P, Menegazzo R, Maier K, Grawe H, Schramm M, Schubart R, Lach M, Hofmann S. Collisions between 106Cd and 54Fe at 30 MeV above the Coulomb barrier by high resolution gamma gamma coincidences. Phys Rev C Nucl Phys 1994; 49:R575-R579. [PMID: 9969335 DOI: 10.1103/physrevc.49.r575] [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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Rudolph D, Gross CJ, Harder A, Kabadiyski MK, Lieb KP, Weiszflog M, Altmann J, Dewald A, Eberth J, Mylaeus T, Grawe H, Heese J, Maier K. Electromagnetic decay properties of high spin states in 4391Tc48. Phys Rev C Nucl Phys 1994; 49:66-82. [PMID: 9969201 DOI: 10.1103/physrevc.49.66] [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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Bödeker A, Lieb KP, Gross CJ, Kabadiyski MK, Rudolph D, Weiszflog M, Eberth J, Grawe H, Heese J, Maier K. Seniority v=5 states in 4189Nb48. Phys Rev C Nucl Phys 1993; 48:1617-1622. [PMID: 9969003 DOI: 10.1103/physrevc.48.1617] [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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Winter G, Schwengner R, Reif J, Prade H, Funke L, Wirowski R, Nicolay N, Dewald A, Grawe H, Schubart R. Study of excited states in 85Kr and 86Kr: Evidence for neutron-core excitations in the N=50 nucleus 86Kr. Phys Rev C Nucl Phys 1993; 48:1010-1019. [PMID: 9968931 DOI: 10.1103/physrevc.48.1010] [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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Rudolph D, Gross CJ, Kabadiyski MK, Lieb KP, Weiszflog M, Grawe H, Heese J, Maier K, Eberth J. High spin shell model states in the isotope 4390Tc47. Phys Rev C Nucl Phys 1993; 47:2574-2585. [PMID: 9968731 DOI: 10.1103/physrevc.47.2574] [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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Billowes J, Cristancho F, Grawe H, Gross CJ, Heese J, Mountford AW, Weiszflog M. Neutron alignment at the first crossing in 78Kr. Phys Rev C Nucl Phys 1993; 47:R917-R921. [PMID: 9968575 DOI: 10.1103/physrevc.47.r917] [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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Kuhnert A, Alber D, Grawe H, Kluge H, Maier KH, Reviol W, Sun X, Beck EM, Byrne AP, Hübel H, Bacelar JC, Deleplanque MA, Diamond RM, Stephens FS. Observation of high-spin states in the N=84 nucleus 152Er and comparison with shell-model calculations. Phys Rev C Nucl Phys 1992; 46:484-498. [PMID: 9968142 DOI: 10.1103/physrevc.46.484] [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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Heese J, Lieb KP, Lühmann L, Ulbig S, Wörmann B, Alber D, Grawe H, Haas H, Spellmeyer B. Spectroscopy of high spin states in 73Br. Phys Rev C Nucl Phys 1987; 36:2409-2421. [PMID: 9954365 DOI: 10.1103/physrevc.36.2409] [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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Hebbinghaus G, Rzaca-Urban T, Senff C, Lieder RM, Gast W, Krämer-Flecken A, Schnare H, Urban W, Kleinheinz P, Starzecki W, Styczen J, Dewald A, Eberth J, Lieberz W, Mylaeus T, Wolters H, Zell KO, Heppner S, Hübel H, Murzel M, Grawe H, Kluge H. Observation of superdeformation in the doubly closed-shell nucleus 146Gd. Phys Rev Lett 1987; 59:2024-2027. [PMID: 10035398 DOI: 10.1103/physrevlett.59.2024] [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: 05/23/2023]
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Dafni E, Hass M, Naim E, Rafailovich MH, Berger A, Grawe H, Mahnke H. Electric quadrupole moment of the 211Rn (63/2)- isomer: Absence of core deformation at very high spins. Phys Rev Lett 1985; 55:1269-1272. [PMID: 10031773 DOI: 10.1103/physrevlett.55.1269] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
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Raether F, Bergmeister FJ, Lieb KP, Uhrmacher M, Grawe H, Haas H. Magnetic hyperfine interaction of swift43 K ions recoiling in helium and xenon. ACTA ACUST UNITED AC 1984. [DOI: 10.1007/bf02069377] [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] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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