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Search for Muon-Neutrino to Electron-Neutrino Transitions in MINOS

Adamson, P. and Andreopoulos, C. and Arms, K. E. and Armstrong, R. and Auty, D. J. and Ayres, D. S. and Backhouse, C. and Barnes, P. D., Jr. and Barr, G. and Barrett, W. L. and Becker, B. R. and Belias, A. and Bernstein, R. H. and Betancourt, M. and Bhattacharya, D. and Bishai, M. and Blake, A. and Bock, G. J. and Boehm, J. and Boehnlein, D. J. and Bogert, D. and Bower, C. and Cavanaugh, S. and Chapman, J. D. and Cherdack, D. and Childress, S. and Choudhary, B. C. and Cobb, J. H. and Coehlo, J. A. B. and Coleman, S. J. and Cronin-Hennessy, D. and Culling, A. J. and Danko, I. Z. and de Jong, J. K. and Devenish, N. E. and Diwan, M. V. and Dorman, M. and Erwin, A. R. and Escobar, C. O. and Evans, J. J. and Falk, E. and Feldman , G. J. and Frohne, M. V. and Gallagher, H. R. and Godley, A. and Goodman, M. C. and Gouffon, P. and Gran, R. and Grashorn, E. W. and Grzelak, K. and Habig, A. and Harris, D. and Harris, P. G. and Hartnell, J. and Hatcher, R. and Heller, K. and Himmel, A. and Holin, A. and Howcroft, C. and Huang, X. and Hylen, J. and Irwin, G. M. and Isvan, Z. and Jaffe, D. E. and James , C. and Jensen, D. and Kafka, T. and Kasahara, S. M. S. and Koizumi, G. and Kopp, S. and Kordosky, M. and Koskinen, D. J. and Krahn, Z. and Kreymer, A. and Lang, K. and Ling, J. and Litchfield, P. J. and Litchfield, R. P. and Loiacono, L. and Lucas, P. and Ma, J. and Mann, W. A. and Marshak, M. L. and Marshall, J. S. and Mayer, N. and McGowan, A. M. and Mehdiyev, R. and Meier, J. R. and Messier, M. D. and Metelko, C. J. and Michael, D. G. and Miller, W. H. and Mishra, S. R. and Mitchell, J. and Moore, C. D. and Morfín, J. and Mualem, L. and Mufson, S. and Musser, J. and Naples, D. and Nelson, J. K. and Newman, H. B. and Nichol, R. J. and Nicholls, T. C. and Ochoa-Ricoux, J. P. and Oliver, W. P. and Ospanov, R. and Paley, J. and Para, A. and Patterson, R. B. and Patzak, T. and Pavlović, Ž. and Pawloski, G. and Pearce, G. F. and Petyt, D. A. and Pittam, R. and Plunkett, R. K. and Rahaman, A. and Rameika, R. A. and Raufer, T. M. and Rebel, B. and Reichenbacher, J. and Rodrigues, P. A. and Rosenfeld, C. and Rubin, H. A. and Ryabov, V. A. and Sanchez , M. C. and Saoulidou, N. and Schneps, J. and Schreiner, P. and Shanahan, P. and Smart, W. and Smith, C. and Sousa, A. and Speakman, B. and Stamoulis, P. and Strait, M. and Tagg, N. and Talaga, R. L. and Thomas, J. and Thompson, M. A. and Thron, J. L. and Tinti, G. and Toner, R. and Tsarev, V. A. and Tzanakos, G. and Urheim, J. and Vahle, P. and Viren, B. and Ward, D. R. and Watabe, M. and Weber, A. and Webb, R. C. and West, N. and White, C. and Whitehead, L. and Wojcicki, S. G. and Wright, D. M. and Yang, T. and Zhang, K. and Zheng, H. and Zois, M. and Zwaska, R. (2009) Search for Muon-Neutrino to Electron-Neutrino Transitions in MINOS. Physical Review Letters, 103 (26). Art. No. 261802 . ISSN 0031-9007.

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This Letter reports on a search for ν_μ → ν_e transitions by the MINOS experiment based on a 3.14×10^(20) protons-on-target exposure in the Fermilab NuMI beam. We observe 35 events in the Far Detector with a background of 27±5(stat)±2(syst) events predicted by the measurements in the Near Detector. If interpreted in terms of ν_μ → ν_e oscillations, this 1.5σ excess of events is consistent with sin^2(2θ_(13)) comparable to the CHOOZ limit when |Δm^2| = 2.43×10^(-3)  eV^2 and sin^2(2θ_(23))=1.0 are assumed.

Item Type:Article
Related URLs:
URLURL TypeDescription
Newman, H. B.0000-0003-0964-1480
Patterson, R. B.0000-0002-5787-9517
Additional Information:© 2009 American Physical Society. Received 27 September 2009; published 29 December 2009. This work was supported by the US DOE; the UK STFC; the US NSF; the State and University of Minnesota; the University of Athens, Greece; and Brazil’s FAPESP and CNPq. We are grateful to the Minnesota Department of Natural Resources, the crew of the Soudan Underground Laboratory, and the staff of Fermilab for their contribution to this effort.
Funding AgencyGrant Number
Department of Energy (DOE)UNSPECIFIED
Science and Technology Facilities Council (STFC)UNSPECIFIED
University of MinnesotaUNSPECIFIED
University of AthensUNSPECIFIED
Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)UNSPECIFIED
Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)UNSPECIFIED
State of MinnesotaUNSPECIFIED
Issue or Number:26
Classification Code:PACS: 14.60.Pq, 14.60.Lm, 29.27.-a.
Record Number:CaltechAUTHORS:20100203-111743162
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:17381
Deposited By: Jason Perez
Deposited On:10 Feb 2010 22:15
Last Modified:03 Oct 2019 01:27

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