Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2000-12-05
Nucl.Phys.Proc.Suppl. 95 (2001) 146-149
Physics
High Energy Physics
High Energy Physics - Phenomenology
4 pages. Talk presented by M.V. Garzelli at the EuroConference on "Frontiers in Particle Astrophysics and Cosmology", San Feli
Scientific paper
10.1016/S0920-5632(01)01071-4
We present a Monte Carlo analysis in terms of neutrino oscillations of the total rates measured in solar neutrino experiments in the framework of frequentist statistics. We show that the goodness of fit and the confidence level of the allowed regions in the space of the neutrino oscillation parameters are significantly overestimated in the standard method. We also present a calculation of exact allowed regions with correct frequentist coverage. We show that the exact VO, LMA and LOW regions are much larger than the standard ones and merge together giving an allowed band at large mixing angles for all Delta m^2 > 10^{-10} eV^2.
Garzelli Maria Vittoria
Giunti Carlo
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