Physics – Nuclear Physics
Scientific paper
Sep 1987
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987phrvc..36..879a&link_type=abstract
Physical Review C (Nuclear Physics), Volume 36, Issue 3, September 1987, pp.879-882
Physics
Nuclear Physics
11
Relation With Nuclear Matrix Elements And Nuclear Structure, 20<=A<=38
Scientific paper
We argue that the standard derivation of the Gamow-Teller contribution to the 37Cl solar neutrino capture cross section from the 37Ca delayed proton spectrum yields a B(GT) distribution that is too weak and shifted to lower excitation energies. Because the redistribution of Gamow-Teller strength occurs primarily above the analog state, where the neutrino reaction phase space is small, it has only a small effect (4%) on the solar neutrino cross section. However, our observations help resolve the discrepancy between the 37Ca β-decay and 37Cl(p,n) Gamow-Teller mappings.
Adelberger Eric G.
Haxton Wick C.
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