Signature of the efficiency of solar nuclear reactions in the neutrino experiments

Details Signature of the efficiency of solar nuclear reactions in the neutrino experiments Signature of the efficiency of solar nuclear reactions in the neutrino experiments

1999-02-25

arxiv.org/abs/astro-ph/9902354v2

Phys.Rev. D60 (1999) 113002

Astronomy and Astrophysics

Astrophysics

8 pages, 8 figures, REVTeX, accepted by Phys.Rev.D, some further explanations added

Scientific paper

10.1103/PhysRevD.60.113002

In the framework of the neutrino oscillation scenario, we discuss the influence of the uncertainty on the efficiency of the neutrino emitting reactions 1H(p,e+ \nu_e)2H and 7Be(p,\gamma)8B for the neutrino oscillation parameters. We consider solar models with zero-energy astrophysical S-factors S_11 and S_17 varied within nuclear physics uncertainties, and we test them by means of helioseismic data. We then analyse the neutrino mixing parameters and recoil electron spectra for the presently operating neutrino experiments and we predict the results which can be obtained from the recoil electron spectra in SNO and Borexino experiments. We suggest that it should be possible to determine tight bounds on S_17 from the results of the future neutrino experiment, in the case of matter-enhanced oscillations of active neutrinos.

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