Chin. Phys. Lett.  2001, Vol. 18 Issue (1): 24-26    DOI:
Original Articles |
Collective Bands in Neutron-Rich 104Mo Nucleus
YANG Li-Ming 1;ZHU Sheng-Jiang1; LI Ke1;J. H. Hamilton2 A. V.Ramayya2;J. K. Hwang2; X.Q. Zhang2;ZHU Ling-Yan1; GAN Cui-Yun1;M. Sakhaee1, LONG Gui-Lu1;XU Rui-Qing1, HANG Zheng1;JIANG Zhuo1, JON Myong-Gil1;W. C. Ma3, B. R. S. Babu2;J. Komicki2, E. F. Jones2;J. D. Cole4; R. Aryaeinejad4;M. W. Drigert4, I. Y. Lee5;J. O. Rasmussen5, M. A. Stoyer6;G. M. Ter-Akopian7; A. V. Daniel7
1Department of Physics, Tsinghua University, Beijing 100084 2Department of Physics, Vanderbilt University, Nashville, TN 37235,USA 3,Department of Physics, Mississippi State University, MS 39762, USA 4Idaho National Engineering Laboratory, Idaho Falls, ID 83415, USA 5Lawrence Berkeley National Laboratory, Berkeley, CA 94720, USA 6Lawrence Livermore National Laboratory, Livermore, CA 94550, USA 7Joint Institute for Nuclear Research, Dubna, 141980, Russia
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YANG Li-Ming, ZHU Sheng-Jiang, LI Ke et al  2001 Chin. Phys. Lett. 18 24-26
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Abstract Levels in the neutron-rich 104Mo nucleus have been investigated by observing prompt γ-rays from the spontaneous fission of 252Cf with the Gammasphere detector array. The ground-state band, the one-phonon and the two-phonon γ-vibrational bands as well as a quasiparticle band have been confirmed and expanded with spin up to 14ħ. Other two side bands probably built on new quasiparticle states are identified. The possible configurations for the quasiparticle bands are discussed. Two of the quasiparticle bands show larger moments of inertia and may have pair-free characteristics. The levels of the ground-state band, the one-phonon γ-band and the two-phonon γ-band calculated from a general collective model are in close agreement with the experimental data.


Keywords: 21.10.Re      23.20.Lv      27.+j      25.85.Ca     
Published: 01 January 2001
PACS:  21.10.Re (Collective levels)  
  23.20.Lv (γ-transitions and level energies)  
  27.+j  
  25.85.Ca (Spontaneous fission)  
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https://cpl.iphy.ac.cn/       OR      https://cpl.iphy.ac.cn/Y2001/V18/I1/024
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