Half-life and branching ratios for the $\beta$ decay of $^{38}$Ca
Langue
en
Article de revue
Ce document a été publié dans
European Physical Journal A. 2015, vol. 51, p. 8-18
EDP Sciences
Résumé en anglais
In an experiment at the LISE3 facility of GANIL, we have studied with high precision the0+ → 0+ $\beta$ decay of 38Ca. The LISE3 facility allowed to produce close to pure samples of the nuclide ofinterest.We measured the ...Lire la suite >
In an experiment at the LISE3 facility of GANIL, we have studied with high precision the0+ → 0+ $\beta$ decay of 38Ca. The LISE3 facility allowed to produce close to pure samples of the nuclide ofinterest.We measured the half-life of this nucleus to be 443.63(35)ms, whereas the super-allowed branchingratio was determined to be 77.14(35)%. Both data are in nice agreement with previous high-precisionmeasurements and thus improve the overall precision of the experimental inputs to determine the correctedFt value for this nucleus. We also compare the experimental Gamow-Teller strength distribution withtheoretical shell-model predictions. Finally, future opportunities at LISE3 are discussed.< Réduire
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