Solar neutrino interactions: Using charged currents at SNO to tell neutral currents at Super-Kamiokande

Details Solar neutrino interactions: Using charged currents at SNO to tell neutral currents at Super-Kamiokande Solar neutrino interactions: Using charged currents at SNO to tell neutral currents at Super-Kamiokande

1998-07-13

arxiv.org/abs/hep-ph/9807360v1

Phys.Rev.D59:013006,1999

Physics

High Energy Physics

High Energy Physics - Phenomenology

14 pages (RevTeX), incl. 3 figures (epsf), submitted to Phys. ReV. D

Scientific paper

10.1103/PhysRevD.59.013006

In the presence of flavor oscillations, muon and tau neutrinos can contribute to the Super-Kamiokande (SK) solar neutrino signal through the neutral current process \nu_{\mu,\tau} e^{-}\to \nu_{\mu,\tau} e^{-}. We show how to separate the \nu_e and \nu_{\mu,\tau} event rates in SK in a model independent way, by using the rate of the charged current process \nu_e d \to p p e^{-} from the Sudbury Neutrino Observatory (SNO) experiment, with an appropriate choice of the SK and SNO energy thresholds. Under the additional hypothesis of no oscillations into sterile states, we also show how to determine the absolute ^{8}B neutrino flux from the same data set, independently of the \nu_e survival probability.

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