Semi-empirical evaluation of isospin mixing from forbidden E1 transitions

Semi-empirical evaluation of isospin mixing from forbidden E1 transitions

ΔT = 0 electric dipole transitions in self conjugate nuclei, forbidden by isospin selection rules, are readily seen in nature. This implies that the states participating in these transitions may not be of pure isospin T . This work identifies some of these transitions in a few upper- sd shell self-c...

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Veröffentlicht in:Journal of physics. Conference series 2023-09, Vol.2586 (1), p.12064
Hauptverfasser: Bisoi, Abhijit, Sapkota, Y., Sarkar, S., Saha Sarkar, M.
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Conjugates
Electric dipoles
Nuclei
Physics
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Sapkota, Y.
Sarkar, S.
Saha Sarkar, M.
description ΔT = 0 electric dipole transitions in self conjugate nuclei, forbidden by isospin selection rules, are readily seen in nature. This implies that the states participating in these transitions may not be of pure isospin T . This work identifies some of these transitions in a few upper- sd shell self-conjugate nuclei and attempts to calculate the degree of isospin mixing in these nuclei by using the standard two-level mixing formalism in a semi-empirical approach. The physically observed E1 transitions are broken down into two theoretically allowed ΔT = 1 channels. These allowed components have been calculated within the shell model. Our results are consistent with both theoretical and experimental values found in the literature.
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subjects Conjugates
Electric dipoles
Nuclei
Physics
title Semi-empirical evaluation of isospin mixing from forbidden E1 transitions
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