Effect of the reduced pairing interaction on α-decay half-lives of multi-quasiparticle isomeric states

被引：16

作者：

Rissanen, J. ^{[1
]}

Clark, R. M. ^{[1
]}

Macchiavelli, A. O. ^{[1
]}

Fallon, P. ^{[1
]}

Campbell, C. M. ^{[1
]}

Wiens, A. ^{[1
]}

机构：

[1] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Div Nucl Sci, Berkeley, CA 94720 USA

来源：

PHYSICAL REVIEW C | 2014年 / 90卷 / 04期

关键词：

SYSTEMATICS; LIFETIMES; ELEMENTS; NEUTRON; MOTION; MODEL;

D O I：

10.1103/PhysRevC.90.044324

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：

The role of the pairing interaction in multi-quasiparticle isomeric states was examined by calculating alpha-decay half-lives with the superfluid tunneling model. We found that this model reproduces the experimental alpha-decay half-lives with an accuracy typical of current alpha-decay models. In spite of the simplicity of the model, we are able to demonstrate how the reduction of pairing in multi-quasiparticle isomers has a remarkable effect on alpha-decay half-lives. Taking this effect into account may be important for spin and parity assignments of alpha-decaying multi-quasiparticle isomers.

引用

页数：6

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