The spdf IBA analytical description of odd parity states in the actinide region

A. F. Diallo, Bruce R Barrett, P. Navrátil, C. Gorrichategui

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Abstract

An extension of the IBA 1/Λ asymptotic scheme to the description of odd parity states via the introduction of odd l bosons in the condensate is presented. The new features that are thereby introduced into the system are highlighted and the advantages of using such an approach are discussed. A standard minimization routine is used to determine the structure coefficients for the wavefunctions of the system and to obtain a fit to the spectra and the electromagnetic transition rates of 11 nuclei in the actinide region with a rather small number of variable parameters, namely the single-particle energies and the multipole interaction strengths. Reasonable results are obtained and are compared to the results of exact numerical calculations and earlier 1/N calculations.

Original languageEnglish (US)
Pages (from-to)81-103
Number of pages23
JournalAnnals of Physics
Volume279
Issue number1
DOIs
Publication statusPublished - Jan 10 2000

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ASJC Scopus subject areas

  • Physics and Astronomy(all)

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