Gallium Solar Neutrino Experiments: Absorption Cross sections, Neutrino spectra, and Predicted Event Rates

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dc.creatorBahcall, John N.
dc.date1997-10-28
dc.date.accessioned2026-07-07T11:09:42Z
dc.date.available2026-07-07T11:09:42Z
dc.descriptionNeutrino absorption cross sections for 71Ga are calculated for all solar neutrino sources with standard energy spectra, and for laboratory sources of 51Cr and 37Ar; the calculations include, where appropriate, the thermal energy of fusing solar ions and use improved nuclear and atomic data. The ratio, R, of measured (in GALLEX and SAGE) to calculated 51Cr capture rate is R = 0.95 +/- 0.07 (exp)} + ^{+0.04}_{-0.03} (theory). Cross sections are also calculated for specific neutrino energies chosen so that a spline fit determines accurately the event rates in a gallium detector even if new physics changes the energy spectrum of solar neutrinos. Theoretical uncertainties are estimated for cross sections at specific energies and for standard neutrino energy spectra. Standard energy spectra are presented for pp and CNO neutrino sources in the appendices. Neutrino fluxes predicted by standard solar models, corrected for diffusion, have been in the range 120 SNU to 141 SNU since 1968.
dc.description57 pages, ReVTeX file. Accepted for publication in Phys. Rev. C. Viewgraphs and numerical tables of neutrino spectra and cross sections at http://www.sns.ias.edu/~jnb
dc.identifierhttps://arxiv.org/abs/hep-ph/9710491
dc.identifierhttp://arxiv.org/abs/hep-ph/9710491
dc.identifierPhys.Rev.C56:3391-3409,1997
dc.identifierdoi:10.1103/PhysRevC.56.3391
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/190558
dc.subjectHigh Energy Physics - Phenomenology
dc.subjectAstrophysics
dc.subjectNuclear Experiment
dc.subjectNuclear Theory
dc.titleGallium Solar Neutrino Experiments: Absorption Cross sections, Neutrino spectra, and Predicted Event Rates
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