Future solar neutrino spectroscopy and neutrino properties

Details Future solar neutrino spectroscopy and neutrino properties Future solar neutrino spectroscopy and neutrino properties

Apr 1994

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994phlb..324..425c&link_type=abstract

Physics Letters B, Volume 324, Issue 3-4, p. 425-432.

Physics

37

Scientific paper

The GALLEX result, together with the constraints from the observed value o f the solar constant, yields strong limits on the flux of neutrinos from the pp-I termination of the pp-chain, 62<=φpp+pep [109 cm-2 s-1] <=65, provided that neutrinos are standard. This conclusion is essentially independent of solar models and it implies that the pp-chain is shifted towards the pp-I termination, in comparison with the SSM predictions. As a consequence, we derive an upper bound on Berillium neutrinos: φBe<=3×109 cm-2 s-1, the violation of this bound being a clear signal of non-standard neutrino properties. We also find that, for a large class of solar models built so as to enhance the pp-I termination, the pep-neutrino flux is stable around φpep ~ 1.5×108 cm-2 s-1. Detection of pep neutrinos will clearly discriminate standard neutrinos against MSW oscillations, this latter model giving φMSWpep <=3×107 cm-2 s-1.

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