Implications of recent solar neutrino observations: an analysis of charged current data

Details Implications of recent solar neutrino observations: an analysis of charged current data Implications of recent solar neutrino observations: an analysis of charged current data

2002-01-07

arxiv.org/abs/hep-ph/0201031v2

Phys.Rev. D65 (2002) 073033

Physics

High Energy Physics

High Energy Physics - Phenomenology

16 pages Latex file, with 5 epsf figures; one reference added

Scientific paper

10.1103/PhysRevD.65.073033

We have analysed the recent results from the observation of charged current \nu_e d \to e^- p p events from solar neutrinos by the Sudbury Neutrino Observatory SNO assuming neutrino oscillations with three active flavours. The data seem to prefer a low mass-squared difference and large mixing angle solution (the so-called LOW solution) in (12) parameter space. However, when combined with the Gallium charged current interaction data from Gallex and GNO, distinct (1\sigma) allowed regions corresponding to the large mixing angle (LMA) and small mixing angle (SMA) appear while the LOW solution is disfavoured upto 3\sigma standard deviation. The physical electron neutrino survival probability corresponding to these best fit solutions are then determined and analysed for their energy dependence.

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