Active to sterile neutrino mixing limits from neutral-current interactions in MINOS

Active to sterile neutrino mixing limits from neutral-current interactions in MINOS

Results are reported from a search for active to sterile neutrino oscillations in the MINOS long-baseline experiment, based on the observation of neutral-current neutrino interactions, from an exposure to the NuMI neutrino beam of 7.07×10(20) protons on target. A total of 802 neutral-current event c...

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Veröffentlicht in:Physical review letters 2011-06, Vol.107 (1), p.011802-011802, Article 011802
Hauptverfasser: Adamson, P, Auty, D J, Ayres, D S, Backhouse, C, Barr, G, Bishai, M, Blake, A, Bock, G J, Boehnlein, D J, Bogert, D, Cavanaugh, S, Cherdack, D, Childress, S, Coelho, J A B, Coleman, S J, Corwin, L, Cronin-Hennessy, D, Danko, I Z, de Jong, J K, Devenish, N E, Diwan, M V, Dorman, M, Escobar, C O, Evans, J J, Falk, E, Feldman, G J, Frohne, M V, Gallagher, H R, Gomes, R A, Goodman, M C, Gouffon, P, Graf, N, Gran, R, Grant, N, Grzelak, K, Habig, A, Harris, D, Hartnell, J, Hatcher, R, Himmel, A, Holin, A, Huang, X, Hylen, J, Ilic, J, Irwin, G M, Isvan, Z, Jaffe, D E, James, C, Jensen, D, Kafka, T, Kasahara, S M S, Koizumi, G, Kopp, S, Kordosky, M, Kreymer, A, Lang, K, Lefeuvre, G, Ling, J, Litchfield, P J, Loiacono, L, Lucas, P, Mann, W A, Marshak, M L, Mayer, N, McGowan, A M, Mehdiyev, R, Meier, J R, Messier, M D, Miller, W H, Mishra, S R, Mitchell, J, Moore, C D, Morfín, J, Mualem, L, Mufson, S, Musser, J, Naples, D, Nelson, J K, Newman, H B, Nichol, R J, Nicholls, T C, Nowak, J A, Oliver, W P, Orchanian, M, Paley, J, Patterson, R B, Pawloski, G, Pearce, G F, Petyt, D A, Phan-Budd, S, Pittam, R, Plunkett, R K, Qiu, X, Ratchford, J, Raufer, T M, Rebel, B, Rodrigues, P A, Rosenfeld, C, Rubin, H A, Sanchez, M C
Format: Artikel
Sprache:eng
Schlagworte:
Experiment-HEP
NEUTRAL-CURRENT INTERACTIONS
NEUTRINO BEAMS
NEUTRINO OSCILLATION
NEUTRINOS
OSCILLATIONS
PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
PROTONS
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Zusammenfassung:Results are reported from a search for active to sterile neutrino oscillations in the MINOS long-baseline experiment, based on the observation of neutral-current neutrino interactions, from an exposure to the NuMI neutrino beam of 7.07×10(20) protons on target. A total of 802 neutral-current event candidates is observed in the Far Detector, compared to an expected number of 754 ± 28(stat) ± 37(syst) for oscillations among three active flavors. The fraction f(s) of disappearing ν(μ) that may transition to ν(s) is found to be less than 22% at the 90% C.L.
ISSN:0031-9007
1079-7114
DOI:10.1103/physrevlett.107.011802