Physics – High Energy Physics – High Energy Physics - Experiment
Scientific paper
2001-04-27
Phys.Rev.D64:112007,2001
Physics
High Energy Physics
High Energy Physics - Experiment
71 pages,28 figures, 17 tables
Scientific paper
10.1103/PhysRevD.64.112007
A search for muon anti-neutrino to electron anti-neutrino oscillations was conducted by the Liquid Scintillator Neutrino Detector at the Los Alamos Neutron Science Center using muon anti-neutrinos from positive muon decay at rest. A total excess of 87.9 +/- 22.4 +/- 6.0 events consistent with electron anti-neutrino plus proton scattering to positron plus neutron was observed above the expected background. This excess corresponds to an oscillation probability of (0.264 +/- 0.067 +/- 0.045), 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 eV^2/c^4 Delta-m^2 range, indicating a neutrino mass greater than 0.4 eV/c^2.
Aguilar Alejandro
Auerbach Leonard B.
Burman R. L.
Caldwell David O.
Church Eric D.
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