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Indication of Electron Neutrino Appearance from an Accelerator-Produced Off-Axis Muon Neutrino Beam

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Indication of Electron Neutrino Appearance from an Accelerator-Produced Off-Axis Muon Neutrino Beam

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dc.contributor.author	T2K Collaboration
dc.contributor.author	Abe, K.
dc.contributor.author	Cervera Villanueva, Anselmo
dc.contributor.author	Escudero Sánchez, Lorena
dc.contributor.author	Gómez Cadenas, Juan José
dc.contributor.author	Hansen, C.
dc.contributor.author	Monfregola, Laura
dc.contributor.author	Sorel, Michel
dc.contributor.author	Stamoulis, Panagiotis
dc.date.accessioned	2015-12-21T10:25:12Z
dc.date.available	2015-12-21T10:25:12Z
dc.date.issued	2011
dc.identifier.citation	T2K Collaboration Abe, K. Cervera Villanueva, Anselmo Escudero Sánchez, Lorena Gómez Cadenas, Juan José Hansen, C. Monfregola, Laura Sorel, Michel Stamoulis, Panagiotis 2011 Indication of Electron Neutrino Appearance from an Accelerator-Produced Off-Axis Muon Neutrino Beam Physical Review Letters 107 4 041801
dc.identifier.uri	http://hdl.handle.net/10550/49652
dc.description.abstract	The T2K experiment observes indications of nu(mu) -> nu(mu) e appearance in data accumulated with 1.43 x 10(20) protons on target. Six events pass all selection criteria at the far detector. In a three-flavor neutrino oscillation scenario with \|Delta m(23)(2)\| = 2.4 x 10(-3) eV(2), sin(2)2 theta(23) = 1 and sin(2)2 theta(13) = 0, the expected number of such events is 1.5 +/- 0.3(syst). Under this hypothesis, the probability to observe six or more candidate events is 7 x 10(-3), equivalent to 2.5 sigma significance. At 90% C.L., the data are consistent with 0.03(0.04) < sin(2)2 theta(13) < 0.28(0.34) for delta(CP) = 0 and a normal (inverted) hierarchy.
dc.language.iso	eng
dc.relation.ispartof	Physical Review Letters, 2011, vol. 107, num. 4, p. 041801
dc.subject	Física
dc.title	Indication of Electron Neutrino Appearance from an Accelerator-Produced Off-Axis Muon Neutrino Beam
dc.type	journal article	es_ES
dc.date.updated	2015-12-21T10:25:12Z
dc.identifier.doi	10.1103/PhysRevLett.107.041801
dc.identifier.idgrec	069692
dc.rights.accessRights	open access	es_ES