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The influence of pairing correlations on the isospin symmetry breaking corrections of superallowed Fermi beta decays

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Abstract

Within the framework of quasi-particle random phase approximation, the isospin breaking correction of superallowed 0+ → 0+ beta decay and unitarity of Cabibbo-Kobayashi-Maskawa mixing matrix have been investigated. The broken isotopic symmetry of nuclear part of Hamiltonian has been restored by Pyatov’s method. The isospin symmetry breaking correction with pairing correlations has been compared with the previous results without pairing. The effect of pairing interactions has been examined for nine superallowed Fermi beta decays; their parent nuclei are 26Al, 34Cl, 38K, 42Sc, 46V, 50Mn, 54Co, 62Ga, 74Rb.

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Authors and Affiliations

  1. Department of Physics, Faculty of Arts and Sciences, Dumlupinar University, Kütahya, Turkey

    A. E. Çalık

  2. Department of Physics, Faculty of Science, Ege University, Bornova, İzmir, Turkey

    M. Gerçeklioğlu

  3. Department of Physics, Faculty of Arts and Sciences, Muş Alparslan University, Muş, Turkey

    C. Selam

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  1. A. E. Çalık
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  2. M. Gerçeklioğlu
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  3. C. Selam
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Correspondence to A. E. Çalık.

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Çalık, A.E., Gerçeklioğlu, M. & Selam, C. The influence of pairing correlations on the isospin symmetry breaking corrections of superallowed Fermi beta decays. Phys. Atom. Nuclei 76, 549–556 (2013). https://doi.org/10.1134/S1063778813040030

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