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Shape coexistence in the neutron-deficient even-even (182-188)Hg isotopes studied via coulomb excitation.
Bree, N; Wrzosek-Lipska, K; Petts, A; Andreyev, A; Bastin, B; Bender, M; Blazhev, A; Bruyneel, B; Butler, P A; Butterworth, J; Carpenter, M P; Cederkäll, J; Clément, E; Cocolios, T E; Deacon, A; Diriken, J; Ekström, A; Fitzpatrick, C; Fraile, L M; Fransen, Ch; Freeman, S J; Gaffney, L P; García-Ramos, J E; Geibel, K; Gernhäuser, R; Grahn, T; Guttormsen, M; Hadinia, B; Hadynska-Kle K, K; Hass, M; Heenen, P-H; Herzberg, R-D; Hess, H; Heyde, K; Huyse, M; Ivanov, O; Jenkins, D G; Julin, R; Kesteloot, N; Kröll, Th; Krücken, R; Larsen, A C; Lutter, R; Marley, P; Napiorkowski, P J; Orlandi, R; Page, R D; Pakarinen, J; Patronis, N; Peura, P J.
Affiliation
  • Bree N; KU Leuven, Instituut voor Kern- en Stralingsfysica, B-3001 Leuven, Belgium.
  • Wrzosek-Lipska K; KU Leuven, Instituut voor Kern- en Stralingsfysica, B-3001 Leuven, Belgium and Heavy Ion Laboratory, University of Warsaw, PL-02-093 Warsaw, Poland.
  • Petts A; Oliver Lodge Laboratory, University of Liverpool, Liverpool L69 7ZE, United Kingdom.
  • Andreyev A; KU Leuven, Instituut voor Kern- en Stralingsfysica, B-3001 Leuven, Belgium and Department of Physics, University of York, York YO10 5DD, United Kingdom.
  • Bastin B; KU Leuven, Instituut voor Kern- en Stralingsfysica, B-3001 Leuven, Belgium and GANIL CEA/DSM-CNRS/IN2P3, Boulevard H. Becquerel, F-14076 Caen, France.
  • Bender M; Université Bordeaux, Centre d'Etudes Nucléaires de Bordeaux Gradignan, UMR5797, F-33175 Gradignan, France and CNRS/IN2P3, Centre d'Etudes Nucléaires de Bordeaux Gradignan, UMR5797, F-33175 Gradignan, France.
  • Blazhev A; Institut für Kernphysik, Universität zu Köln, 50937 Köln, Germany.
  • Bruyneel B; Institut für Kernphysik, Universität zu Köln, 50937 Köln, Germany.
  • Butler PA; Oliver Lodge Laboratory, University of Liverpool, Liverpool L69 7ZE, United Kingdom.
  • Butterworth J; Department of Physics, University of York, York YO10 5DD, United Kingdom.
  • Carpenter MP; Physics Division, Argonne National Laboratory, Argonne, Illinois 60439, USA.
  • Cederkäll J; Physics Department, University of Lund, Box 118, SE-221 00 Lund, Sweden and ISOLDE, CERN, CH-1211 Geneva 23, Switzerland.
  • Clément E; GANIL CEA/DSM-CNRS/IN2P3, Boulevard H. Becquerel, F-14076 Caen, France and ISOLDE, CERN, CH-1211 Geneva 23, Switzerland.
  • Cocolios TE; KU Leuven, Instituut voor Kern- en Stralingsfysica, B-3001 Leuven, Belgium and ISOLDE, CERN, CH-1211 Geneva 23, Switzerland and School of Physics and Astronomy, University of Manchester, Manchester M13 9PL, United Kingdom.
  • Deacon A; School of Physics and Astronomy, University of Manchester, Manchester M13 9PL, United Kingdom.
  • Diriken J; KU Leuven, Instituut voor Kern- en Stralingsfysica, B-3001 Leuven, Belgium and Belgian Nuclear Research Centre SCK CEN, B-2400 Mol, Belgium.
  • Ekström A; Physics Department, University of Lund, Box 118, SE-221 00 Lund, Sweden.
  • Fitzpatrick C; School of Physics and Astronomy, University of Manchester, Manchester M13 9PL, United Kingdom.
  • Fraile LM; ISOLDE, CERN, CH-1211 Geneva 23, Switzerland and Grupo de Física Nuclear, Universidad Complutense de Madrit, 28040 Madrid, Spain.
  • Fransen Ch; Institut für Kernphysik, Universität zu Köln, 50937 Köln, Germany.
  • Freeman SJ; School of Physics and Astronomy, University of Manchester, Manchester M13 9PL, United Kingdom.
  • Gaffney LP; KU Leuven, Instituut voor Kern- en Stralingsfysica, B-3001 Leuven, Belgium and Oliver Lodge Laboratory, University of Liverpool, Liverpool L69 7ZE, United Kingdom.
  • García-Ramos JE; Departamento de Física Aplicada, Universidad de Huelva, 21071 Huelva, Spain.
  • Geibel K; Institut für Kernphysik, Universität zu Köln, 50937 Köln, Germany.
  • Gernhäuser R; Physics Department E12, Technische Universität München, D-85748 Garching, Germany.
  • Grahn T; Department of Physics, University of Jyväskylä, P.O. Box 35, FI-40014 Jyväskylä, Finland and Helsinki Institute of Physics, University of Helsinki, P.O. Box 64, FIN-00014 Helsinki, Finland.
  • Guttormsen M; Department of Physics, University of Oslo, N-0316 Oslo, Norway.
  • Hadinia B; School of Engineering, University of the West of Scotland, Paisley PA1 2BE, United Kingdom and Department of Physics, University of Guelph, Guelph, Ontario N1G 2W1, Canada.
  • Hadynska-Kle K K; Heavy Ion Laboratory, University of Warsaw, PL-02-093 Warsaw, Poland.
  • Hass M; Department of Particle Physics, Weizmann Institute of Science, Rehovot 76100, Israel.
  • Heenen PH; Physique Nucléaire Théorique, Université Libre de Bruxelles, B-1050 Bruxelles, Belgium.
  • Herzberg RD; Oliver Lodge Laboratory, University of Liverpool, Liverpool L69 7ZE, United Kingdom.
  • Hess H; Institut für Kernphysik, Universität zu Köln, 50937 Köln, Germany.
  • Heyde K; Department of Physics and Astronomy, Ghent University, B-9000 Gent, Belgium.
  • Huyse M; KU Leuven, Instituut voor Kern- en Stralingsfysica, B-3001 Leuven, Belgium.
  • Ivanov O; KU Leuven, Instituut voor Kern- en Stralingsfysica, B-3001 Leuven, Belgium.
  • Jenkins DG; Department of Physics, University of York, York YO10 5DD, United Kingdom.
  • Julin R; Department of Physics, University of Jyväskylä, P.O. Box 35, FI-40014 Jyväskylä, Finland.
  • Kesteloot N; KU Leuven, Instituut voor Kern- en Stralingsfysica, B-3001 Leuven, Belgium and Belgian Nuclear Research Centre SCK CEN, B-2400 Mol, Belgium.
  • Kröll T; Institut für Kernphysik, Technische Universität Darmstadt, D-64289 Darmstadt, Germany.
  • Krücken R; Physics Department E12, Technische Universität München, D-85748 Garching, Germany.
  • Larsen AC; Department of Physics, University of Oslo, N-0316 Oslo, Norway.
  • Lutter R; Department of Physics, Ludwig Maximilian Universität München, 85748 Garching, Germany.
  • Marley P; Department of Physics, University of York, York YO10 5DD, United Kingdom.
  • Napiorkowski PJ; Heavy Ion Laboratory, University of Warsaw, PL-02-093 Warsaw, Poland.
  • Orlandi R; KU Leuven, Instituut voor Kern- en Stralingsfysica, B-3001 Leuven, Belgium and School of Engineering, University of the West of Scotland, Paisley PA1 2BE, United Kingdom.
  • Page RD; Oliver Lodge Laboratory, University of Liverpool, Liverpool L69 7ZE, United Kingdom.
  • Pakarinen J; Department of Physics, University of Jyväskylä, P.O. Box 35, FI-40014 Jyväskylä, Finland and Helsinki Institute of Physics, University of Helsinki, P.O. Box 64, FIN-00014 Helsinki, Finland.
  • Patronis N; KU Leuven, Instituut voor Kern- en Stralingsfysica, B-3001 Leuven, Belgium and Department of Physics, The University of Ioannina, GR-45110 Ioannina, Greece.
  • Peura PJ; Department of Physics, University of Jyväskylä, P.O. Box 35, FI-40014 Jyväskylä, Finland.
Phys Rev Lett ; 112(16): 162701, 2014 Apr 25.
Article in En | MEDLINE | ID: mdl-24815644
ABSTRACT
Coulomb-excitation experiments to study electromagnetic properties of radioactive even-even Hg isotopes were performed with 2.85 MeV/nucleon mercury beams from REX-ISOLDE. Magnitudes and relative signs of the reduced E2 matrix elements that couple the ground state and low-lying excited states in Hg182-188 were extracted. Information on the deformation of the ground and the first excited 0+ states was deduced using the quadrupole sum rules approach. Results show that the ground state is slightly deformed and of oblate nature, while a larger deformation for the excited 0+ state was noted in Hg182,184. The results are compared to beyond mean field and interacting-boson based models and interpreted within a two-state mixing model. Partial agreement with the model calculations was obtained. The presence of two different structures in the light even-mass mercury isotopes that coexist at low excitation energy is firmly established.
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Collection: 01-internacional Database: MEDLINE Language: En Journal: Phys Rev Lett Year: 2014 Document type: Article Affiliation country: Bélgica
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Collection: 01-internacional Database: MEDLINE Language: En Journal: Phys Rev Lett Year: 2014 Document type: Article Affiliation country: Bélgica