標題: INTERACTING-BOSON-FERMION-APPROXIMATION DESCRIPTION OF NEGATIVE-PARITY STATES IN EVEN-ODD YB ISOTOPES
作者: HSIEH, ST
CHUU, DS
電子物理學系
Department of Electrophysics
公開日期: 1-Nov-1991
摘要: The negative-parity energy levels of the even-odd Yb isotopes, 163Yb, 165Yb, Yb-169, Yb-171, and Yb-173, are studied systematically within the framework of the extended interacting-boson-fermion-approximation (IBFA) model in which one odd fermion is couplied with a boson core. The boson core is described with the IBA model but allowing one boson to break into a quasifermion pair. The odd fermion is assumed to be in one of the f7/2 and p3/2 single-particle orbitals while the fermion pair is allowed to occupy the single-particle orbit i13/2. It was found that the negative-parity energy levels of these even-odd Yb isotopes and the values of transition quadrupole moments for the ground-state rotational band of Yb-173 can be reproduced in fairly good agreement with the observed data.
URI: http://dx.doi.org/10.1103/PhysRevC.44.1920
http://hdl.handle.net/11536/3642
ISSN: 2469-9985
DOI: 10.1103/PhysRevC.44.1920
期刊: PHYSICAL REVIEW C
Volume: 44
Issue: 5
起始頁: 1920
結束頁: 1928
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