Improved Search for Muon-Neutrino to Electron-Neutrino Oscillations in MINOS

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Improved Search for Muon-Neutrino to Electron-Neutrino Oscillations in MINOS

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Title: Improved Search for Muon-Neutrino to Electron-Neutrino Oscillations in MINOS
Author: Adamson, P.; Auty, D. J.; Ayres, D. S.; Backhouse, C.; Barr, G.; Betancourt, M.; Bishai, M.; Blake, A.; Bock, G. J.; Boehnlein, D. J.; Bogert, D.; Cao, S. V.; Cavanaugh, S.; Cherdack, D.; Childress, S.; Coelho, J. A. B.; 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, Gary J.; Frohne, M. V.; Gallagher, H. R.; Gomes, R. A.; Goodman, M. C.; Gouffon, P.; Graf, N.; Gran, R.; Grzelak, K.; Habig, A.; Hartnell, J.; Hatcher, R.; Himmel, A.; Holin, A.; Huang, X.; Hylen, 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.; Mathis, M.; Mayer, N.; McGowan, A. M.; Mehdiyev, R.; Meier, J. R.; Messier, M. D.; Michael, D. G.; Miller, W. H.; Mishra, S. R.; Mitchell, J.; Moore, C. D.; Mualem, L.; Mufson, S.; Musser, J.; Naples, D.; Nelson, J. K.; Newman, H. B.; Nichol, R. J.; Nowak, J. A.; Ochoa-Ricoux, J. P.; Oliver, W. P.; Orchanian, M.; Paley, J.; Patterson, R. B.; Pawloski, G.; Pearce, G. F.; Phan-Budd, S.; Plunkett, R. K.; Qiu, X.; Ratchford, J.; Rebel, B.; Rosenfeld, C.; Rubin, H. A.; Sanchez, M. C.; Schneps, J.; Schreckenberger, A.; Schreiner, P.; Shanahan, P.; Sharma, R.; Sousa, A.; Tagg, N.; Talaga, R. L.; Thomas, J.; Thomson, M. A.; Toner, Ruth; Torretta, D.; Tzanakos, G.; Urheim, J.; Vahle, P.; Viren, B.; Walding, J. J.; Weber, A.; Webb, R. C.; White, C.; Whitehead, L.; Wojcicki, S. G.; Yang, T.; Zwaska, R.

Note: Order does not necessarily reflect citation order of authors.

Citation: Adamson, P., D. J. Auty, D. S. Ayres, C. Backhouse, G. Barr, M. Betancourt, M. Bishai, et al. 2011. “Improved Search for Muon-Neutrino to Electron-Neutrino Oscillations in MINOS.” Physical Review Letters 107 (18) (October). doi:10.1103/physrevlett.107.181802.
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Abstract: We report the results of a search for νe appearance in a νμ beam in the MINOS long-baseline neutrino experiment. With an improved analysis and an increased exposure of 8.2×1020 protons on the NuMI target at Fermilab, we find that 2sin2(θ23)sin2(2θ13)<0.12(0.20) at 90% confidence level for δ=0 and the normal (inverted) neutrino mass hierarchy, with a best-fit of 2sin2(θ23)sin2(2θ13)=0.041+0.047−0.031(0.079+0.071−0.053). The θ13=0 hypothesis is disfavored by the MINOS data at the 89% confidence level.
Published Version: doi:10.1103/PhysRevLett.107.181802
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