M1 properties of tungsten isotopes in the interacting boson model-2

P. Navrátil, Bruce R Barrett, J. Dobeš

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19 Citations (Scopus)

Abstract

The M1 properties of even 182-186W isotopes are investigated in the interacting boson model-2 (IBM-2). The E2/M1 mixing ratios, g factors, and summed M1 strength are calculated. A least-squares fit of the excitation energies is used to fix the IBM-1 projected Hamiltonian parameters, while the F-spin-breaking terms are adjusted to reproduce the M1 properties of low-lying states. The influence of F-spin mixing on the summed M1 strength is studied using the coherent state technique in perturbation theory. When the standard boson g factors are used, the M1 properties of the low-lying states are described satisfactorily, but the summed M1 strengths are found to be larger than present experimental values. Possible g factor adjustment, which reconciles the calculated and experimental M1 strength, is discussed.

Original languageEnglish (US)
Pages (from-to)2794-2800
Number of pages7
JournalPhysical Review C - Nuclear Physics
Volume53
Issue number6
DOIs
StatePublished - Jun 1996

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tungsten isotopes
bosons
mixing ratios
fixing
isotopes
perturbation theory
adjusting
excitation

ASJC Scopus subject areas

  • Physics and Astronomy(all)
  • Nuclear and High Energy Physics

Cite this

M1 properties of tungsten isotopes in the interacting boson model-2. / Navrátil, P.; Barrett, Bruce R; Dobeš, J.

In: Physical Review C - Nuclear Physics, Vol. 53, No. 6, 06.1996, p. 2794-2800.

Research output: Contribution to journalArticle

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