期刊
NUCLEAR PHYSICS A
卷 918, 期 -, 页码 1-24出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.nuclphysa.2013.09.005
关键词
Projected shell model; Yrast spectra; Shell evolution; Rotational alignments; Multi-quasiparticle structure; Reduced transition probabilities
Odd-mass isotopic chain of As67-79 has been studied within the context of the projected shell model. Deformed single-particle states generated by the standard Nilsson potential are used to calculate various nuclear structure properties like yrast spectra, rotational frequencies and reduced transition probabilities. The study of band structures of these As nuclei based on the band diagrams indicates the presence of multi-quasiparticle structure in the high spin realm of these nuclei. Rotational alignment phenomenon has also been studied in terms of band crossing which is understood to occur due to the rotational alignment of g(9/2) neutron pair. We also have compared the results of the present calculations with the available experimental as well as the other theoretical data and an overall good agreement has been achieved between the two. (C) 2013 Elsevier By. All rights reserved.
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