SMIRNOVA, N.A.; BLANK, B.; BROWN, B.A.; RICHTER, W.A.; BENOUARET, N.; LAM, Y.H.

doi:10.1103/PhysRevC.95.054301

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SMIRNOVA, N.A.
Centre d'Etudes Nucléaires de Bordeaux Gradignan [CENBG]

BLANK, B.
Centre d'Etudes Nucléaires de Bordeaux Gradignan [CENBG]

BROWN, B.A.

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Phys.Rev.C. 2017, vol. 95, n° 5, p. 054301

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We present a general scheme of a shell-model analysis of a β-delayed proton emission. We show that the experimental proton to γ-ray branching ratio for the isobaric analog state (IAS) populated in β decay of a precursor, supplemented by theoretical proton and γ-ray widths, can be used to extract spectroscopic factors for isospin-forbidden proton emission. In the case of a well-justified two-level mixing approximation and a relatively well known spectroscopic factor of the admixed state, the proposed scheme provides a new way to determine the amount of the isospin mixing in the IAS. This conjecture is illustrated by the theoretical analysis of Cr44 and Fe48 decay.< Leer menos

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Isospin mixing from β -delayed proton emission

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