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Measurement of neutrino oscillation by the K2K experiment

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Measurement of neutrino oscillation by the K2K experiment

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dc.contributor.author	K2K Collaboration
dc.contributor.author	Ahn, M.H.
dc.contributor.author	Burguet Castell, Jordi
dc.contributor.author	Català Pérez, Joan
dc.contributor.author	Cervera Villanueva, Anselmo
dc.contributor.author	Gómez Cadenas, Juan José
dc.contributor.author	Novella Garijo, Pau
dc.contributor.author	Sorel, Michel
dc.contributor.author	Vidal Sitjes, Gabriel
dc.contributor.author	Tornero López, Ana María
dc.date.accessioned	2015-12-21T09:04:24Z
dc.date.available	2015-12-21T09:04:24Z
dc.date.issued	2006
dc.identifier.citation	K2K Collaboration Ahn, M.H. Burguet Castell, Jordi Català Pérez, Joan Cervera Villanueva, Anselmo Gómez Cadenas, Juan José Novella Garijo, Pau Sorel, Michel Vidal Sitjes, Gabriel Tornero López, Ana María 2006 Measurement of neutrino oscillation by the K2K experiment Physical Review D 74 7
dc.identifier.uri	http://hdl.handle.net/10550/49638
dc.description.abstract	We present measurements of nu(mu) disappearance in K2K, the KEK to Kamioka long-baseline neutrino oscillation experiment. One-hundred and twelve beam-originated neutrino events are observed in the fiducial volume of Super-Kamiokande with an expectation of 158.1(-8.6)(+9.2) events without oscillation. A distortion of the energy spectrum is also seen in 58 single-ring muonlike events with reconstructed energies. The probability that the observations are explained by the expectation for no neutrino oscillation is 0.0015% (4.3 sigma). In a two-flavor oscillation scenario, the allowed Delta m(2) region at sin(2)2 theta=1 is between 1.9 and 3.5x10(-3) eV(2) at the 90% C.L. with a best-fit value of 2.8x10(-3) eV(2).
dc.language.iso	eng
dc.relation.ispartof	Physical Review D, 2006, vol. 74, num. 7
dc.subject	Física
dc.title	Measurement of neutrino oscillation by the K2K experiment
dc.type	journal article	es_ES
dc.date.updated	2015-12-21T09:04:25Z
dc.identifier.doi	10.1103/PhysRevD.74.072003
dc.identifier.idgrec	069892
dc.rights.accessRights	open access	es_ES