Search for Electron Antineutrino Appearance at the DELTAm{sup 2}approx1 eV{sup 2} Scale

Journal Article · Fri Sep 11 00:00:00 EDT 2009 · Physical Review Letters

DOI:https://doi.org/10.1103/PHYSREVLETT.103.111801· OSTI ID:21364683

Aguilar-Arevalo, A A ^[1]; Anderson, C E; Fleming, B T; Linden, S K; Spitz, J ^[2]; Brice, S J; Brown, B C; Ford, R; Garcia, F G; Kobilarcik, T; Marsh, W; Moore, C D; Russell, A D; Stefanski, R J ^[3]; Bugel, L; Djurcic, Z; Mahn, K B. M.; Shaevitz, M H; Sorel, M ^[4]; Conrad, J M ^[5]

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1. Instituto de Ciencias Nucleares, Universidad Nacional Autonoma de Mexico, Distrito Federal 04510 (Mexico)
2. Yale University, New Haven, Connecticut 06520 (United States)
3. Fermi National Accelerator Laboratory, Batavia, Illinois 60510 (United States)
4. Columbia University, New York, New York 10027 (United States)
5. Massachusetts Institute of Technology, Cambridge, Massachusetts 02139 (United States)

The MiniBooNE Collaboration reports initial results from a search for nu{sub m}u->nu{sub e} oscillations. A signal-blind analysis was performed using a data sample corresponding to 3.39x10{sup 20} protons on target. The data are consistent with background prediction across the full range of neutrino energy reconstructed assuming quasielastic scattering, 200<E{sub n}u{sup QE}<3000 MeV: 144 electronlike events have been observed in this energy range, compared to an expectation of 139.2+-17.6 events. No significant excess of events has been observed, both at low energy, 200-475 MeV, and at high energy, 475-1250 MeV. The data are inconclusive with respect to antineutrino oscillations suggested by data from the Liquid Scintillator Neutrino Detector at Los Alamos National Laboratory.

• OSTI ID: 21364683
• Journal Information: Physical Review Letters, Vol. 103, Issue 11; Other Information: DOI: 10.1103/PhysRevLett.103.111801; (c) 2009 The American Physical Society; ISSN 0031-9007
• Country of Publication: United States
• Language: English

Related Subjects

72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
ELECTRON ANTINEUTRINOS
GEV RANGE 01-10
LANL
MEV RANGE 100-1000
PROTONS
QUASI-ELASTIC SCATTERING
ANTILEPTONS
ANTIMATTER
ANTINEUTRINOS
ANTIPARTICLES
BARYONS
DIRECT REACTIONS
ELECTRON NEUTRINOS
ELEMENTARY PARTICLES
ENERGY RANGE
FERMIONS
GEV RANGE
HADRONS
LEPTONS
MASSLESS PARTICLES
MATTER
MEV RANGE
NATIONAL ORGANIZATIONS
NEUTRINOS
NUCLEAR REACTIONS
NUCLEONS
QUASI-FREE REACTIONS
SCATTERING
US DOE
US ORGANIZATIONS