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Global analysis of neutrino oscillation data in four-neutrino schemes

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	Maltoni, Michele; Schwetz, Thomas; Tórtola Baixauli, María Amparo Perfil; Furtado Valle, José Wagner Perfil
	This document is a artículoDate2003
	Este documento está disponible también en : http://hdl.handle.net/10550/47768
	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.
	Maltoni, Michele Schwetz, Thomas Tórtola Baixauli, María Amparo Furtado Valle, José Wagner 2003 Global analysis of neutrino oscillation data in four-neutrino schemes Nuclear Physics B-Proceedings Supplements 114 203 207
	http://dx.doi.org/10.1016/S0920-5632(02)01906-0