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29 March 2024
 
  » arxiv » nucl-th/0103003

 Article overview


Transition quadrupole moments in gamma-soft nuclei and the triaxial projected shell model
Javid A. Sheikh ; Yang Sun ; Rudrajyoti Palit ;
Date 1 Mar 2001
Journal Phys.Lett. B507 (2001) 115-120
Subject nucl-th nucl-ex
AbstractTransition probabilities of the ground-state bands in $gamma$-soft nuclei are studied for the first time using the triaxial projected shell model approach. It is observed that the angular-momentum dependence of the transition quadrupole moment $Q_t$ is related to the triaxial deformation of the nuclear mean-field potential. The introduction of the $gamma$-degree of freedom in the shell model basis is shown to have a little influence on the {it constant} behavior of the low-spin $Q_t$ in a well-deformed nucleus. However, the {it increasing} collectivity with spin for the low-spin states in a $gamma$-soft nucleus can only be explained by considering the triaxial mean-field deformation.
Source arXiv, nucl-th/0103003
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