Phys. Rev. Lett. 101, 131802 (2008) [5 pages]
Measurement of Neutrino Oscillations with the MINOS Detectors in the NuMI Beam
Abstract
References (24)
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P. Adamson, 9 C. Andreopoulos, 22 K. E. Arms, 18 R. Armstrong, 12 D. J. Auty, 26 D. S. Ayres, 1 B. Baller, 9 P. D. Barnes, Jr., 16 G. Barr, 20 W. L. Barrett, 31 B. R. Becker, 18 A. Belias, 22 R. H. Bernstein, 9 D. Bhattacharya, 21 M. Bishai, 4 A. Blake, 6 G. J. Bock, 9 J. Boehm, 10 D. J. Boehnlein, 9 D. Bogert, 9 C. Bower, 12 E. Buckley-Geer, 9 S. Cavanaugh, 10 J. D. Chapman, 6 D. Cherdack, 29 S. Childress, 9 B. C. Choudhary, 9 J. H. Cobb, 20 S. J. Coleman, 32 A. J. Culling, 6 J. K. de Jong, 11 M. Dierckxsens, 4 M. V. Diwan, 4 M. Dorman, 17,22 S. A. Dytman, 21 C. O. Escobar, 7 J. J. Evans, 17,20 E. Falk Harris, 26 G. J. Feldman, 10 M. V. Frohne, 3 H. R. Gallagher, 29 A. Godley, 24 M. C. Goodman, 1 P. Gouffon, 23 R. Gran, 19 E. W. Grashorn, 18 N. Grossman, 9 K. Grzelak, 30,20 A. Habig, 19 D. Harris, 9 P. G. Harris, 26 J. Hartnell, 26,22 R. Hatcher, 9 K. Heller, 18 A. Himmel, 5 A. Holin, 17 J. Hylen, 9 G. M. Irwin, 25 M. Ishitsuka, 12 D. E. Jaffe, 4 C. James, 9 D. Jensen, 9 T. Kafka, 29 S. M. S. Kasahara, 18 J. J. Kim, 24 M. S. Kim, 21 G. Koizumi, 9 S. Kopp, 28 M. Kordosky, 32,17 D. J. Koskinen, 17 S. K. Kotelnikov, 15 A. Kreymer, 9 S. Kumaratunga, 18 K. Lang, 28 J. Ling, 24 P. J. Litchfield, 18 R. P. Litchfield, 20 L. Loiacono, 28 P. Lucas, 9 J. Ma, 28 W. A. Mann, 29 A. Marchionni, 9 M. L. Marshak, 18 J. S. Marshall, 6 N. Mayer, 12 A. M. McGowan, 1,18 J. R. Meier, 18 G. I. Merzon, 15 M. D. Messier, 12 C. J. Metelko, 22 D. G. Michael, 5 J. L. Miller, 14 W. H. Miller, 18 S. R. Mishra, 24 C. D. Moore, 9 J. Morfín, 9 L. Mualem, 5 S. Mufson, 12 S. Murgia, 25 J. Musser, 12 D. Naples, 21 J. K. Nelson, 32 H. B. Newman, 5 R. J. Nichol, 17 T. C. Nicholls, 22 J. P. Ochoa-Ricoux, 5 W. P. Oliver, 29 R. Ospanov, 28 J. Paley, 12 V. Paolone, 21 A. Para, 9 T. Patzak, 8 Ž. Pavlović, 28 G. Pawloski, 25 G. F. Pearce, 22 C. W. Peck, 5 E. A. Peterson, 18 D. A. Petyt, 18 R. Pittam, 20 R. K. Plunkett, 9 A. Rahaman, 24 R. A. Rameika, 9 T. M. Raufer, 22 B. Rebel, 9 J. Reichenbacher, 1 P. A. Rodrigues, 20 C. Rosenfeld, 24 H. A. Rubin, 11 K. Ruddick, 18 V. A. Ryabov, 15 M. C. Sanchez, 1,10 N. Saoulidou, 9 J. Schneps, 29 P. Schreiner, 3 S.-M. Seun, 10 P. Shanahan, 9 W. Smart, 9 C. Smith, 17 A. Sousa, 20 B. Speakman, 18 P. Stamoulis, 2 M. Strait, 18 P. Symes, 26 N. Tagg, 29 R. L. Talaga, 1 M. A. Tavera, 26 J. Thomas, 17 J. Thompson, 21 M. A. Thomson, 6 J. L. Thron, 1 G. Tinti, 20 I. Trostin, 13 V. A. Tsarev, 15 G. Tzanakos, 2 J. Urheim, 12 P. Vahle, 32,17 B. Viren, 4 C. P. Ward, 6 D. R. Ward, 6 M. Watabe, 27 A. Weber, 20 R. C. Webb, 27 A. Wehmann, 9 N. West, 20 C. White, 11 S. G. Wojcicki, 25 D. M. Wright, 16 T. Yang, 25 M. Zois, 2 K. Zhang, 4 and R. Zwaska9
(MINOS Collaboration)
1Argonne National Laboratory, Argonne, Illinois 60439, USA
2Department of Physics, University of Athens, GR-15771 Athens, Greece
3Physics Department, Benedictine University, Lisle, Illinois 60532, USA
4Brookhaven National Laboratory, Upton, New York 11973, USA
5Lauritsen Laboratory, California Institute of Technology, Pasadena, California 91125, USA
6Cavendish Laboratory, University of Cambridge, Madingley Road, Cambridge CB3 0HE, United Kingdom
7Universidade Estadual de Campinas, IF-UNICAMP, CP 6165, 13083-970, Campinas, SP, Brazil
8APC–Université Paris 7 Denis Diderot, 10, rue Alice Domon et Léonie Duquet, F-75205 Paris Cedex 13, France
9Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA
10Department of Physics, Harvard University, Cambridge, Massachusetts 02138, USA
11Physics Division, Illinois Institute of Technology, Chicago, Illinois 60616, USA
12Indiana University, Bloomington, Indiana 47405, USA
13High Energy Experimental Physics Department, ITEP, 117218 Moscow, Russia
14Physics Department, James Madison University, Harrisonburg, Virginia 22807, USA
15Nuclear Physics Department, Lebedev Physical Institute, Leninsky Prospect 53, 119991 Moscow, Russia
16Lawrence Livermore National Laboratory, Livermore, California 94550, USA
17Department of Physics and Astronomy, University College London, Gower Street, London WC1E 6BT, United Kingdom
18University of Minnesota, Minneapolis, Minnesota 55455, USA
19Department of Physics, University of Minnesota–Duluth, Duluth, Minnesota 55812, USA
20Subdepartment of Particle Physics, University of Oxford, Oxford OX1 3RH, United Kingdom
21Department of Physics and Astronomy, University of Pittsburgh, Pittsburgh, Pennsylvania 15260, USA
22Rutherford Appleton Laboratory, Chilton, Didcot, Oxfordshire, OX11 0QX, United Kingdom
23Instituto de Física, Universidade de São Paulo, CP 66318, 05315-970, São Paulo, SP, Brazil
24Department of Physics and Astronomy, University of South Carolina, Columbia, South Carolina 29208, USA
25Department of Physics, Stanford University, Stanford, California 94305, USA
26Department of Physics and Astronomy, University of Sussex, Falmer, Brighton BN1 9QH, United Kingdom
27Physics Department, Texas A&M University, College Station, Texas 77843, USA
28Department of Physics, University of Texas, 1 University Station C1600, Austin, Texas 78712, USA
29Physics Department, Tufts University, Medford, Massachusetts 02155, USA
30Department of Physics, Warsaw University, PL-00-681 Warsaw, Poland
31Physics Department, Western Washington University, Bellingham, Washington 98225, USA
32Department of Physics, College of William & Mary, Williamsburg, Virginia 23187, USA
Received 13 June 2008; published 26 September 2008
This Letter reports new results from the MINOS experiment based on a two-year exposure to muon neutrinos from the Fermilab NuMI beam. Our data are consistent with quantum-mechanical oscillations of neutrino flavor with mass splitting | m2|=(2.43±0.13)×10-3 eV2 (68% C.L.) and mixing angle sin2(2 )>0.90 (90% C.L.). Our data disfavor two alternative explanations for the disappearance of neutrinos in flight: namely, neutrino decays into lighter particles and quantum decoherence of neutrinos, at the 3.7 and 5.7 standard-deviation levels, respectively.
©2008 The American Physical Society
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