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A pairing effect in γ-soft nuclei

Authors
Journal
Physics Letters B
0370-2693
Publisher
Elsevier
Publication Date
Volume
287
Identifiers
DOI: 10.1016/0370-2693(92)91866-8

Abstract

Abstract A new regularity in the level structure of γ-soft nuclei is suggested by using the O(6) limit of the interacting boson model. This regularity, which will be referred to as τ-compression, is the compression of level spacing between neighboring O(5) multiplets for higher τ values. It is shown that the pairing interaction is the origin of the τ-compression. The spectra of 126–130Xe are discussed as prominent examples of the τ-compression.

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