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Measurement of Neutrino Oscillation Parameters from Muon Neutrino Disappearance with an Off-Axis Beam

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Measurement of Neutrino Oscillation Parameters from Muon Neutrino Disappearance with an Off-Axis Beam

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dc.contributor.author	Cervera Villanueva, Anselmo
dc.contributor.author	Escudero Sánchez, Lorena
dc.contributor.author	Gómez Cadenas, Juan José
dc.contributor.author	Izmaylov, Alexander
dc.contributor.author	Monfregola, Laura
dc.contributor.author	Sorel, Michel
dc.contributor.author	Stamoulis, Panagiotis
dc.contributor.author	T2K Collaboration
dc.date.accessioned	2014-02-19T11:11:01Z
dc.date.available	2014-02-19T11:11:01Z
dc.date.issued	2013
dc.identifier.citation	Cervera Villanueva, Anselmo Escudero Sánchez, Lorena Gómez Cadenas, Juan José Izmaylov, A Monfregola, Laura Sorel, Michel Stamoulis, Panagiotis 2013 Measurement of Neutrino Oscillation Parameters from Muon Neutrino Disappearance with an Off-Axis Beam Physical Review Letters 111 21 211803
dc.identifier.uri	http://hdl.handle.net/10550/33088
dc.description.abstract	The T2K Collaboration reports a precision measurement of muon neutrino disappearance with an off-axis neutrino beam with a peak energy of 0.6 GeV. Near detector measurements are used to constrain the neutrino flux and cross section parameters. The Super-Kamiokande far detector, which is 295 km downstream of the neutrino production target, collected data corresponding to 3.01 x 10(20) protons on target. In the absence of neutrino oscillations, 205 +/- 17 (syst) events are expected to be detected while only 58 muon neutrino event candidates are observed. A fit to the neutrino rate and energy spectrum, assuming three neutrino flavors and normal mass hierarchy yields a best-fit mixing angle sin(2) (theta(23)) = 0.514 +/- 0.082 and mass splitting vertical bar Delta m(32)(2)vertical bar = 2.44(-0.15)(+0.17) x 10(-3) eV(2)/c(4). Our result corresponds to the maximal oscillation disappearance probability.
dc.relation.ispartof	Physical Review Letters, 2013, vol. 111, num. 21, p. 211803
dc.subject	Física nuclear
dc.title	Measurement of Neutrino Oscillation Parameters from Muon Neutrino Disappearance with an Off-Axis Beam
dc.type	journal article	es_ES
dc.date.updated	2014-02-19T11:11:01Z
dc.identifier.doi	10.1103/PhysRevLett.111.211803
dc.identifier.idgrec	093185
dc.rights.accessRights	open access	es_ES
dc.identifier.url	10.1103/PhysRevLett.111.211803