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Search for Active Neutrino Disappearance Using Neutral-Current Interactions in the MINOS Long-Baseline Experiment

Adamson, P. and Andreopoulos, C. and Arms, K. E. and Armstrong, R. and Auty, D. J. and Ayres, D. S. and Backhouse, C. and Baller, B. and Barr, G. and Barrett, W. L. and Becker, B. R. and Belias, A. and Bernstein, R. H. 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 Buckley-Geer, E. and Cavanaugh, S. and Chapman, J. D. and Cherdack, D. and Childress, S. and Choudhary, B. C. and Cobb, J. H. and Coleman, S. J. and Culling, A. J. and de Jong, J. K. and Dierckxsens, M. and Diwan, M. V. and Dorman, M. and Dytman, S. A. and Escobar, C. O. and Evans, J. J. and Harris, E. Falk 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 Grossman, N. 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 Hsu, L. and Hylen, J. and Irwin, G. M. and Ishitsuka, M. and Jaffe, D. E. and James, C. and Jensen, D. and Kafka, T. and Kasahara, S. M. S. and Kim, J. J. and Kim, M. S. and Koizumi, G. and Kopp, S. and Kordosky, M. and Koskinen, D. J. and Kotelnikov, S. K. and Kreymer, A. and Kumaratunga, S. 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 Marchionni, A. and Marshak, M. L. and Marshall, J. S. and Mayer, N. and McGowan, A. M. 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 Moore, C. D. and Morfín, J. and Mualem, L. and Mufson, S. and Murgia, 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 Paolone, V. and Para, A. and Patzak, T. and Pavlović, Ž. and Pawloski, G. and Pearce, G. F. and Peck, C. W. 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 Tavera, M. A. and Thomas, J. and Thomson, M. A. and Thron, J. L. and Tinti, G. and Trostin, I. 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 Wehmann, A. and West, N. and White, C. and Wojcicki, S. G. and Wright, D. M. and Yang, T. and Zhang, K. and Zwaska, R. (2008) Search for Active Neutrino Disappearance Using Neutral-Current Interactions in the MINOS Long-Baseline Experiment. Physical Review Letters, 101 (22). p. 221804. ISSN 0031-9007.

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We report the first detailed comparisons of the rates and spectra of neutral-current neutrino interactions at two widely separated locations. A depletion in the rate at the far site would indicate mixing between vµ and a sterile particle. No anomalous depletion in the reconstructed energy spectrum is observed. Assuming oscillations occur at a single mass-squared splitting, a fit to the neutral- and charged-current energy spectra limits the fraction of vµ oscillating to a sterile neutrino to be below 0.68 at 90% confidence level. A less stringent limit due to a possible contribution to the measured neutral-current event rate at the far site from ve appearance at the current experimental limit is also presented.

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Additional Information:© 2008 The American Physical Society. Received 16 July 2008; published 26 November 2008. This work was supported by the U.S. DOE, the U.K. PACS: 14.60.St; 12.15.Mm; 14.60.Pq STFC, the U.S. NSF, the State and University of Minnesota, the University of Athens, Greece, and Brazil’s FAPESP and CNPq. We thank S. Parke for useful discussions. 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
U. S. Department of EnergyUNSPECIFIED
Science and Technology Facilities Council (UK)UNSPECIFIED
State and University of MinnesotaUNSPECIFIED
University of Athens, GreeceUNSPECIFIED
Fundacao de Amparo a Pesquisa do Estado de Sao Paulo Brazil’sUNSPECIFIED
Conselho Nacional de Desenvolvimento Cientifico e Tecnologico BrazilUNSPECIFIED
Subject Keywords:PACS: 14.60.St; 12.15.Mm; 14.60.Pq
Issue or Number:22
Record Number:CaltechAUTHORS:20090804-072242697
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:14777
Deposited By: Ruth Sustaita
Deposited On:01 Sep 2009 22:17
Last Modified:03 Oct 2019 00:52

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