Gamow-Teller transitions and deformation in the proton-neutron random phase approximation

被引：27
|
作者：
Stetcu, I
Johnson, CW
机构：
[1] Louisiana State Univ, Dept Phys & Astron, Baton Rouge, LA 70803 USA
[2] San Diego State Univ, Dept Phys, San Diego, CA 92182 USA
来源：
PHYSICAL REVIEW C | 2004年 / 69卷 / 02期
关键词：
D O I：
10.1103/PhysRevC.69.024311
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：
We investigate reliability of Gamow-Teller transition strengths computed in the proton-neutron random phase approximation, comparing with exact results from diagonalization in full 0 (h) over bar omega shell-model spaces. By allowing the Hartree-Fock state to be deformed, we obtain good results for a wide variety of nuclides, even though we do not project onto good angular momentum. We suggest that deformation is as important or more so than pairing for Gamow-Teller transitions.
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页数：7
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