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Onset of collectivity in 96,98Sr studied via Coulomb excitation

E. Clément 1 A. A. Görgen A. Dijon 1 G. de France 1 B. Bastin 1 A. Blazhev N. Bree P. Butler P. Delahaye 1 A. Ekstrom G. Georgiev 2 N. Hasan J. Iwanicki D. Jenkins W. Korten 3 A. C. Larsen J. Ljungvall 4 K. Moschner P. Napiorkowski J. Pakarinen A. Petts T. Renstrom M. Seidlitz S. Siem C. Sotty J. Srebrny I. Stefanescu G. M. Tveten J. van de Walle N. Warr K. Wrzosek-Lipska M. Zielinska 3 C. Bauer B. Bruyneel J. Butterworth C. Fitzpatrick C. Fransen R. Gernhäuser H. Hess R. Lutter P. Marley P. Reiter B. Siebeck M. Vermeulen A. Wiens H. de Witte
1 GANIL - Grand Accélérateur National d'Ions Lourds
2 CSNSM SNO
CSNSM - Centre de Spectrométrie Nucléaire et de Spectrométrie de Masse, CSNSM - Centre de Sciences Nucléaires et de Sciences de la Matière : UMR8609
3 IRFU - Institut de Recherches sur les lois Fondamentales de l'Univers
4 CSNSM - Centre de Sciences Nucléaires et de Sciences de la Matière
Abstract : A rapid onset of quadrupole deformation is known to occur around the neutron number 60 in the neutron-rich Zr and Sr isotopes. This shape change has made the neutron-rich A = 100 region an active area of experimental and theoretical studies for many decades now. We report in this contribution new experimental results in the neutron rich 96,98Sr investigated by safe Coulomb excitation of radioactive beams at the REX-ISOLDE facility, CERN. Reduced transition probabilities and spectroscopic quadrupole moments have been extracted from the differential Coulomb excitation cross section supporting the scenario of shape coexistence/change at N=60. Future perspectives are presented including the recent experimental campaign performed at ILL-Grenoble.
keyword : Nuclear Structure
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Conference papers
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http://hal.in2p3.fr/in2p3-00966051
Contributor : Michel Lion <>
Submitted on : Wednesday, March 26, 2014 - 9:24:24 AM
Last modification on : Wednesday, November 18, 2020 - 5:12:06 PM

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E. Clément, A. A. Görgen, A. Dijon, G. de France, B. Bastin, et al.. Onset of collectivity in 96,98Sr studied via Coulomb excitation. International Nuclear Physics Conference - INPC2013, 2013, Firenze, Italy. pp.02021, ⟨10.1051/epjconf/20146602021⟩. ⟨in2p3-00966051⟩

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