Detection of Accelerator-Produced Neutrinos at a Distance of 250 km

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dc.creatorThe K2K Collaboration
dc.creatorAhn, S. H.
dc.date2001-03-01
dc.date.accessioned2026-07-07T10:32:06Z
dc.date.available2026-07-07T10:32:06Z
dc.descriptionThe KEK to Kamioka long-baseline neutrino experiment (K2K) has begun its investigation of neutrino oscillations suggested by atmospheric neutrino observations. Twenty-eight neutrino events have been detected in coincidence with the expected arrival time of the beam in the 22.5 kt fiducial volume of Super--Kamiokande, the far detector at 250 km distance. The expectation is 37.8+3.5-3.8, derived using measurements of neutrino interactions in a near detector and extrapolation using a beam simulation validated by a measurement of pion kinematics after production and focusing. The background is of order 10^-3 events.
dc.description6 pages, 3 embedded figures, LaTeX with RevTeX style, submitted to PRL. This version is As Submitted
dc.identifierhttps://arxiv.org/abs/hep-ex/0103001
dc.identifierhttp://arxiv.org/abs/hep-ex/0103001
dc.identifierPhys.Lett.B511:178-184,2001
dc.identifierdoi:10.1016/S0370-2693(01)00647-5
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/178644
dc.subjectHigh Energy Physics - Experiment
dc.subjectHigh Energy Physics - Phenomenology
dc.subjectNuclear Experiment
dc.titleDetection of Accelerator-Produced Neutrinos at a Distance of 250 km
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