標題: NEGATIVE-PARITY STATES AND OCTUPOLE COLLECTIVITY OF EVEN GE-ISOTOPES
作者: CHUU, DS
HSIEH, ST
CHIANG, HC
電子物理學系
Department of Electrophysics
公開日期: 1-Jan-1993
摘要: The negative parity energy levels of the even-even Ge isotopes with mass number between 64 and 76 are studied systematically by enlarging the model space of the interacting boson approximation model to include both collective and noncollective basis states. The basis states consist of N(B)-1 sd-boson plus a f-boson configuration and N(B)-1 sd boson plus a fermion pair configuration. The fermions are allowed to occupy the f5/2 and g9/2 single-particle orbitals, respectively. It was found that the negative parity energy levels of 6-76 Ge nuclei can be described reasonably well. The intensities of the collective configuration in 3- states increase when going from nucleus Ge-64 to nucleUS Ge-72 and decrease from nucleus Ge-72 to nucleus Ge-74. The B (E3; 3(1)-->0(1)+) values are calculated and compared with the available observed data.
URI: http://dx.doi.org/10.1103/PhysRevC.47.183
http://hdl.handle.net/11536/3156
ISSN: 0556-2813
DOI: 10.1103/PhysRevC.47.183
期刊: PHYSICAL REVIEW C
Volume: 47
Issue: 1
起始頁: 183
結束頁: 187
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