New analytic solutions of the collective Bohr Hamiltonian for a β-soft, γ-soft axial rotor

被引：64
|
作者：
Fortunato, L
Vitturi, A
机构：
[1] Dipartimento Fis G Galilei, I-35131 Padua, Italy
[2] Ist Nazl Fis Nucl, I-35131 Padua, Italy
来源：
JOURNAL OF PHYSICS G-NUCLEAR AND PARTICLE PHYSICS | 2004年 / 30卷 / 05期
关键词：
D O I：
10.1088/0954-3899/30/5/006
中图分类号：
O57 [原子核物理学、高能物理学];
学科分类号：
070202 ;
摘要：
New analytic solutions of the quadrupole collective Bohr Hamiltonian are proposed, exploiting an approximate separation of the beta and gamma variables to describe gamma-soft prolate axial rotors. The model potential is a sum of two terms: a beta-dependent term taken either with a Coulomb-like or a Kratzer-like form, and a gamma-dependent term taken as a harmonic oscillator. In particular, it is possible to give a one-parameter paradigm for a beta-soft, gamma-soft axial rotor that can be applied, with considerable agreement, to the spectrum of U-234.
引用
收藏
页码：627 / 635
页数：9
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