THE NUCLEAR STRUCTURE AND BACKBENDING PHENOMENON FOR 114-130Xe ISOTOPES |
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Authors: | Shi Zhu-yi Liu Yong and Sang Jian-ping |
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Institution: | Department of Physics, Guizhou Institute for Nationalities, Guiyang 550025, China; Department of Physics, Wuhan University, Wuhan 430072, China; Institute of Particle Physics, Huazhong Normal University, Wuhan 430079, China |
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Abstract: | In view of interacting boson fermion formalism, a microscopic sdIBM-2 +2q.p. model is used to describe the ground-state band, β-band, γ-band and two-quasi-particle band for 114-130Xe isotopes. The theoretical investigations indicate that the backbending is caused by crossing of the two-quasi-proton band and the ground-state band. This result seems to provide a possible way for understanding the backbending phenomenon of 114-130Xe isotopes. |
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Keywords: | sdIBM-2+2q p model high-spin states microscopic investigation |
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