Evidence for neutrino oscillations from the observation ofν¯eappearance in aν¯μbeam
2001/04/30 by A. A. Aguilar-Arevalo, A. Aguilar, L. B. Auerbach +28 · 128 citations
Physics and Astronomy · #Astrophysics and Cosmic Phenomena #Neutrino Physics Research #Particle physics theoretical and experimental studies #hep-ex
paper · pdf · doi:10.1103/physrevd.64.112007
published as Phys.Rev.D64:112007,2001 · 71 pages,28 figures, 17 tables
arxiv created 2001/08/10 · openalex publication_date 2001/11/13 · arxiv updated 2009/11/30 · openalex created_date 2016/06/24 · openalex updated_date 2026/08/04
Abstract
A search for \ensuremathν_\ensuremathμ\ensuremath→\ensuremathνe oscillations was conducted by the Liquid Scintillator Neutrino Detector at the Los Alamos Neutron Science Center using \ensuremathν_\ensuremathμ from \ensuremathμ+ decay at rest. A total excess of 87.9\ifmmode±\else\textpm\fi22.4\ifmmode±\else\textpm\fi6.0 events consistent with \ensuremathνe\stackrel\ensuremath→pe+n scattering was observed above the expected background. This excess corresponds to an oscillation probability of (0.264\ifmmode±\else\textpm\fi0.067\ifmmode±\else\textpm\fi0.045)%, which is consistent with an earlier analysis. In conjunction with other known limits on neutrino oscillations, the LSND data suggest that neutrino oscillations occur in the 0.2--10 eV2/c4 \ensuremathΔm2 range, indicating a neutrino mass greater than 0.4 eV/c2.
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