Elsevier

Nuclear Physics A

Volume 714, Issues 3–4, 24 February 2003, Pages 673-695
Nuclear Physics A

Microscopic nuclear-structure calculations for the solar-neutrino detector 71Ga and close-lying isobars

https://doi.org/10.1016/S0375-9474(02)01397-0Get rights and content

Abstract

In the present solar-neutrino experiments, mainly observing the pp contribution of the solar-neutrino flux, an important role is played by 71Ga. The structure of this detector nucleus and three of its isobars have been calculated by using the microscopic quasiparticle–phonon model. Using a realistic effective two-body interaction in a realistic valence space, the method yielded energy spectra in good agreement with experiments. The calculated logft values for a number of spontaneous and neutrino-induced Gamow–Teller transitions, when compared with the experimental results, gave qualitatively correct but overestimated transition-strength values in most cases.

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