Large-basis no-core shell-model calculations and their application to 10C →10B fermi beta decay

B. R. Barrett, P. Navrátil, W. E. Ormand

Research output: Contribution to journalArticle

Abstract

We use a 4Ω shell-model calculation with a two-body effective interaction derived microscopically from the Reid93 potential to calculate the isospin-mixing correction for the 10C→10B superallowed Fermi transition. The effective interaction takes into account the Coulomb potential as well as the charge dependence of T = 1 partial waves. Our results suggest the isospin-mixing correction δC ≈ 0.1%, which is compatible with previous calculations obtained by other methods. The obtained δC correction is about a factor of four too small to obtain unitarity of the Cabibbo-Kobayashi-Maskawa matrix with the present experimental data.

Original languageEnglish (US)
Pages (from-to)691-696
Number of pages6
JournalCzechoslovak Journal of Physics
Volume48
Issue number6-7
StatePublished - Jun 1 1998

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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