Evidence for Neutrino Oscillations from Muon Decay at Rest

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dc.creatorAthanassopoulos, C.
dc.creatorAuerbach, L. B.
dc.creatorBurman, R. L.
dc.creatorCohen, I.
dc.creatorCaldwell, D. O.
dc.creatorDieterle, B. D.
dc.creatorDonahue, J. B.
dc.creatorEisner, A. M.
dc.creatorFazely, A.
dc.creatorFederspiel, F. J.
dc.creatorGarvey, G. T.
dc.creatorGray, M.
dc.creatorGunasingha, R. M.
dc.creatorImlay, R.
dc.creatorJohnston, K.
dc.creatorKim, H. J.
dc.creatorLouis, W. C.
dc.creatorMajkic, R.
dc.creatorMargulies, J.
dc.creatorMcIlhany, K.
dc.creatorMetcalf, W.
dc.creatorMills, G. B.
dc.creatorReeder, R. A.
dc.creatorSandberg, V.
dc.creatorSmith, D.
dc.creatorStancu, I.
dc.creatorStrossman, W.
dc.creatorTayloe, R.
dc.creatorVanDalen, G. J.
dc.creatorVernon, W.
dc.creatorWadia, N.
dc.creatorWaltz, J.
dc.creatorWang, Y-X.
dc.creatorWhite, D. H.
dc.creatorWorks, D.
dc.creatorXiao, Y.
dc.creatorCollaboration, S. Yellin The LSND
dc.date1996-05-01
dc.date.accessioned2026-07-07T11:14:52Z
dc.date.available2026-07-07T11:14:52Z
dc.descriptionA search for nu_bar_mu to nu_bar_e oscillations has been conducted at the Los Alamos Meson Physics Facility using nu_bar_mu from mu+ decay at rest. The nu_bar_e are detected via the reaction (nu_bar_e,p) -> (e+,n), correlated with the 2.2 MeV gamma from (n,p) -> (d,gamma). The use of tight cuts to identify e+ events with correlated gamma rays yields 22 events with e+ energy between 36 and 60 MeV and only 4.6 (+/- 0.6) background events. The probability that this excess is due entirely to a statistical fluctuation is 4.1E-08. A chi^2 fit to the entire e+ sample results in a total excess of 51.8 (+18.7) (-16.9) (+/- 8.0) events with e+ energy between 20 and 60 MeV. If attributed to nu_bar_mu -> nu_bar_e oscillations, this corresponds to an oscillation probability (averaged over the experimental energy and spatial acceptance) of 0.0031 (+0.0011) (-0.0010) (+/- 0.0005).
dc.description57 pages, 34 figures, revtex, additional information available at http://nu1.lampf.lanl.gov/~lsnd/
dc.identifierhttps://arxiv.org/abs/nucl-ex/9605001
dc.identifierhttp://arxiv.org/abs/nucl-ex/9605001
dc.identifierPhys.Rev.C54:2685-2708,1996
dc.identifierdoi:10.1103/PhysRevC.54.2685
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/192218
dc.subjectNuclear Experiment
dc.subjectHigh Energy Physics - Experiment
dc.subjectHigh Energy Physics - Phenomenology
dc.subjectNuclear Theory
dc.titleEvidence for Neutrino Oscillations from Muon Decay at Rest
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