Global analysis of neutrino oscillation data in four-neutrino schemes

Details Global analysis of neutrino oscillation data in four-neutrino schemes Global analysis of neutrino oscillation data in four-neutrino schemes

2002-09-30

arxiv.org/abs/hep-ph/0209368v1

Nucl.Phys.Proc.Suppl.114:203-207,2003

Physics

High Energy Physics

High Energy Physics - Phenomenology

5 pages, 4 figures, Talk by T. Schwetz at XXX Int. Meeting on Fundamental Physics, Jaca, Spain, 28 Jan-1 Feb 2002

Scientific paper

10.1016/S0920-5632(02)01906-0

We present an analysis of the global neutrino oscillation data in terms of four-neutrino mass schemes. We find that the strong preference of oscillations into active neutrinos implied by the latest solar as well as atmospheric neutrino data allows to rule out (2+2) mass schemes, whereas (3+1) schemes are strongly disfavoured by short-baseline experiments. Our analysis shows that four-neutrino oscillations do not provide a satisfactory description of the global neutrino oscillation data including the LSND result.

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