Implications of the GALLEX Source Experiment for the Solar Neutrino Problem

Naoya Hata; Wick Haxton

Implications of the GALLEX Source Experiment for the Solar Neutrino Problem

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arxiv nucl-th/9503017 v1 pith:E7RLKYAD submitted 1995-03-16 nucl-th astro-phhep-ph

Naoya Hata , Wick Haxton This is my paper · ORCID

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keywords experimentneutrinosolarsourcecapturegalleximplicationsuncertainties

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abstract

We argue that, prior to the recent GALLEX $^{51}$Cr source experiment, the excited state contributions to the $^{71}$Ga capture cross section for $^{51}$Cr and $^7$Be neutrinos were poorly constrained, despite forward-angle (p,n) measurements. We describe the origin of the uncertainties and estimate their extent. We explore the implications of the source experiment for solar neutrino capture in light of these uncertainties. A reanalysis of the $^7$Be and $^8$B flux constraints and MSW solutions of the solar neutrino puzzle is presented.

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The Gallium Solar Neutrino Capture Cross Section Revisited
nucl-ex 2025-01 conditional novelty 6.0 of 10

Updated 71Ga solar neutrino capture cross sections raise the 8B and hep rates by about 7% and 10% over Bahcall's 1997 values and cut the uncertainties by a factor of 2 to 3.

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