Reinvestigation Of Two-Phonon Gamma-Vibrational Band In Neutron-Rich Pd-114

Y. Huang,S. J. Zhu,J. H. Hamilton,A. V. Ramayya,E. H. Wang,Y. X. Liu,Y. Sun,J. K. Hwang,Z. G. Xiao,H. J. Li,Y. X. Luo,J. O. Rasmussen,G. M. Ter-Akopian,Yu. Ts. Oganessian

INTERNATIONAL JOURNAL OF MODERN PHYSICS E-NUCLEAR PHYSICS（2016）

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摘要

The level structure in neutron-rich Pd-114 nucleus has been reinvestigated by measuring prompt. rays emitted in the spontaneous fission of Cf-252. A two-phonon.-vibrational band built on the 1639.3 keV level is observed, which confirms the previous suggestion from a beta-decay experiment. Systematical comparison supports the assignment for a twophonon gamma-vibrational band in Pd-114. Triaxial projected shell model calculations for the multi-phonon. bands of Pd-114 are in good agreement with the experimental data.

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关键词

Nuclear structure, two-phonon gamma-vibrational band, neutron-rich, triaxial projected shell model

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