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Title: Configuration splitting and gamma-decay transition rates in the two-group shell model

Expressions for reduced gamma-decay transition rates were obtained on the basis of the twogroup configuration model for the case of transitions between particles belonging to identical groups of nucleons. In practical applications, the present treatment is the most appropriate for describing decays for odd–odd nuclei in the vicinity of magic nuclei or for nuclei where the corresponding subshells stand out in energy. Also, a simple approximation is applicable to describing configuration splitting in those cases. The present calculations were performed for nuclei whose mass numbers are close to A ∼ 90, including N = 51 odd—odd isotones.
Authors:
 [1]
  1. National Research Center Kurchatov Institute, Petersburg Nuclear Physics Institute (Russian Federation)
Publication Date:
OSTI Identifier:
22472166
Resource Type:
Journal Article
Resource Relation:
Journal Name: Physics of Atomic Nuclei; Journal Volume: 78; Journal Issue: 6; Other Information: Copyright (c) 2015 Pleiades Publishing, Ltd.; Country of input: International Atomic Energy Agency (IAEA)
Country of Publication:
United States
Language:
English
Subject:
73 NUCLEAR PHYSICS AND RADIATION PHYSICS; GAMMA DECAY; INTERMEDIATE MASS NUCLEI; ISOTONIC NUCLEI; MAGIC NUCLEI; NUCLEAR STRUCTURE; NUCLEONS; ODD-ODD NUCLEI; SHELL MODELS