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T2K neutrino flux prediction

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T2K neutrino flux prediction

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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	Monfregola, Laura
dc.contributor.author	Sorel, Michel
dc.contributor.author	Stamoulis, Panagiotis
dc.date.accessioned	2013-11-18T15:19:46Z
dc.date.available	2013-11-18T15:19:46Z
dc.date.issued	2013
dc.identifier.citation	Cervera Villanueva, Anselmo Escudero, L. Gómez Cadenas, Juan José Monfregola, L. Sorel, Michel Stamoulis, Panagiotis 2013 T2K neutrino flux prediction Physical Review D 87 1 012001-1 012001-34
dc.identifier.uri	http://hdl.handle.net/10550/31131
dc.description.abstract	The Tokai-to-Kamioka (T2K) experiment studies neutrino oscillations using an off-axis muon neutrino beam with a peak energy of about 0.6 GeV that originates at the Japan Proton Accelerator Research Complex accelerator facility. Interactions of the neutrinos are observed at near detectors placed at 280 m from the production target and at the far detector¿Super-Kamiokande¿located 295 km away. The flux prediction is an essential part of the successful prediction of neutrino interaction rates at the T2K detectors and is an important input to T2K neutrino oscillation and cross section measurements. A FLUKA and GEANT3-based simulation models the physical processes involved in the neutrino production, from the interaction of primary beam protons in the T2K target, to the decay of hadrons and muons that produce neutrinos. The simulation uses proton beam monitor measurements as inputs. The modeling of hadronic interactions is reweighted using thin target hadron production data, including recent charged pion and kaon measurements from the NA61/SHINE experiment. For the first T2K analyses the uncertainties on the flux prediction are evaluated to be below 15% near the flux peak. The uncertainty on the ratio of the flux predictions at the far and near detectors is less than 2% near the flux peak.
dc.relation.ispartof	Physical Review D, 2013, vol. 87, num. 1, p. 012001-1-012001-34
dc.subject	Física
dc.title	T2K neutrino flux prediction
dc.type	journal article	es_ES
dc.date.updated	2013-11-18T15:19:46Z
dc.identifier.doi	10.1103/PhysRevD.87.012001
dc.identifier.idgrec	082881
dc.rights.accessRights	open access	es_ES
dc.identifier.url	10.1103/PhysRevD.87.012001