Where is the scissors mode strength in odd-mass nuclei?

被引：62
|
作者：
Enders, J
Huxel, N
vonNeumannCosel, P
Richter, A
机构：
[1] Institut für Kernphysik, Technische Hochschule Darmstadt, Darmstadt
来源：
PHYSICAL REVIEW LETTERS | 1997年 / 79卷 / 11期
关键词：
D O I：
10.1103/PhysRevLett.79.2010
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
It is demonstrated by a fluctuation analysis based on the assumption of a Wigner distribution fur the nuclear level spacings and of a Porter-Thomas distribution for the transition strengths thai significant parts nf the dipole strength excited in photon scattering experiments in heavy, deformed odd-mass nuclei are hidden in the background of the experimental spectra. With this additional strength, the heretofore claimed severe reduction af the B(M1) scissors mode strength in odd-mass nuclei compared to the one in neighboring even-even nuclei disappears.
引用
收藏
页码：2010 / 2013
页数：4
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