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Possible shape-change observed at high spin in123Cs |
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| Authors: | V. Barci H. El-Samman A. Gizon J. Gizon T. Bengtsson Y. Gono |
| Affiliation: | 1. Institut des Sciences Nucléaires (IN2P3 and USMG), Grenoble, France 2. Department of Mathematical Physics, Lund Institute of Technology, Lund, Sweden 3. The Institute of Physical and Chemical Research (RIKEN), Saitama, Japan |
| Abstract: | The collective moment of inertia ? band (2) of123Cs produced in the115In+12C reaction at 80 MeV has been measured by gamma-gamma energy correlation techniques. The variations of ? band (2) with the rotational frequency are compared to those of122Xe and analysed in the frame of a cranked Nilsson-Strutinsky model. We conclude that the addition of one proton to the triaxial (γ?30°)122Xe core gives a final prolate-type nucleus123Cs withγ?0° above a rotational frequency?ω?0.55 MeV. |
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