Phys. Rev. D
76,
072005
(2007)
[6 pages]
Measurement of neutrino velocity with the MINOS detectors and NuMI neutrino beam
P. Adamson et al. MINOS Collaboration
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P. Adamson9,18, C. Andreopoulos23, K. E. Arms19, R. Armstrong12, D. J. Auty27, S. Avvakumov26, D. S. Ayres1, B. Baller9, B. Barish5, P. D. Barnes, Jr.17, G. Barr21, W. L. Barrett31, E. Beall1,19, B. R. Becker19, A. Belias23, T. Bergfeld25, R. H. Bernstein9, D. Bhattacharya22, M. Bishai4, A. Blake6, B. Bock20, G. J. Bock9, J. Boehm10, D. J. Boehnlein9, D. Bogert9, P. M. Border19, C. Bower12, E. Buckley-Geer9, A. Cabrera21, J. D. Chapman6, D. Cherdack30, S. Childress9, B. C. Choudhary9, J. H. Cobb21, S. J. Coleman32, A. J. Culling6, J. K. de Jong11, A. De Santo21, M. Dierckxsens4, M. V. Diwan4, M. Dorman18,23, D. Drakoulakos2, T. Durkin23, A. R. Erwin33, C. O. Escobar7, J. J. Evans21, E. Falk Harris27, G. J. Feldman10, T. H. Fields1, T. Fitzpatrick9, R. Ford9, M. V. Frohne3, H. R. Gallagher30, G. A. Giurgiu1, A. Godley25, J. Gogos19, M. C. Goodman1, P. Gouffon24, R. Gran20, E. W. Grashorn19,20, N. Grossman9, K. Grzelak21, A. Habig20, D. Harris9, P. G. Harris27, J. Hartnell23, E. P. Hartouni17, R. Hatcher9, K. Heller19, A. Holin18, C. Howcroft5, J. Hylen9, D. Indurthy29, G. M. Irwin26, M. Ishitsuka12, D. E. Jaffe4, C. James9, L. Jenner18, D. Jensen9, T. Joffe-Minor1, T. Kafka30, H. J. Kang26, S. M. S. Kasahara19, M. S. Kim22, G. Koizumi9, S. Kopp29, M. Kordosky18, D. J. Koskinen18, S. K. Kotelnikov16, A. Kreymer9, S. Kumaratunga19, K. Lang29, A. Lebedev10, R. Lee10, J. Ling25, J. Liu29, P. J. Litchfield19, R. P. Litchfield21, P. Lucas9, W. Luebke11, W. A. Mann30, A. Marchionni9, A. D. Marino9, M. L. Marshak19, J. S. Marshall6, N. Mayer20, A. M. McGowan1,19, J. R. Meier19, G. I. Merzon16, M. D. Messier12, D. G. Michael5,*, R. H. Milburn30, J. L. Miller15,*, W. H. Miller19, S. R. Mishra25, A. Mislivec20, P. S. Miyagawa21, C. D. Moore9, J. Morfín9, L. Mualem5,19, S. Mufson12, S. Murgia26, J. Musser12, D. Naples22, J. K. Nelson32, H. B. Newman5, R. J. Nichol18, T. C. Nicholls23, J. P. Ochoa-Ricoux5, W. P. Oliver30, T. Osiecki29, R. Ospanov29, J. Paley12, V. Paolone22, A. Para9, T. Patzak8, Ž. Pavlović29, G. F. Pearce23, C. W. Peck5, C. Perry21, E. A. Peterson19, D. A. Petyt19, H. Ping33, R. Piteira8, R. Pittam21, R. K. Plunkett9, D. Rahman19, R. A. Rameika9, T. M. Raufer21, B. Rebel9, J. Reichenbacher1, D. E. Reyna1, C. Rosenfeld25, H. A. Rubin11, K. Ruddick19, V. A. Ryabov16, R. Saakyan18, M. C. Sanchez10, N. Saoulidou9, D. Saranen19, J. Schneps30, P. Schreiner3, V. K. Semenov13, S.-M. Seun10, P. Shanahan9, W. Smart9, V. Smirnitsky14, C. Smith18,27, A. Sousa21,30, B. Speakman19, P. Stamoulis2, P. A. Symes27, N. Tagg30,21,†, R. L. Talaga1, E. Tetteh-Lartey28, J. Thomas18, J. Thompson22,*, M. A. Thomson6, J. L. Thron1, G. Tinti21, I. Trostin14, V. A. Tsarev16, G. Tzanakos2, J. Urheim12, P. Vahle18, V. Verebryusov14, B. Viren4, C. P. Ward6, D. R. Ward6, M. Watabe28, A. Weber21,23, R. C. Webb28, A. Wehmann9, N. West21, C. White11, S. G. Wojcicki26, D. M. Wright17, Q. K. Wu25, T. Yang26, F. X. Yumiceva32, H. Zheng5, M. Zois2, 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
13Institute for High Energy Physics, Protvino, Moscow Region RU-140284, Russia
14High Energy Experimental Physics Department, Institute of Theoretical and Experimental Physics, B. Cheremushkinskaya, 25, 117218 Moscow, Russia
15Physics Department, James Madison University, Harrisonburg, Virginia 22807, USA
16Nuclear Physics Department, Lebedev Physical Institute, Leninsky Prospect 53, 117924 Moscow, Russia
17Lawrence Livermore National Laboratory, Livermore, California 94550, USA
18Department of Physics and Astronomy, University College London, Gower Street, London WC1E 6BT, United Kingdom
19University of Minnesota, Minneapolis, Minnesota 55455, USA
20Department of Physics, University of Minnesota–Duluth, Duluth, Minnesota 55812, USA
21Subdepartment of Particle Physics, University of Oxford, Denys Wilkinson Building, Keble Road, Oxford OX1 3RH, United Kingdom
22Department of Physics and Astronomy, University of Pittsburgh, Pittsburgh, Pennsylvania 15260, USA
23Rutherford Appleton Laboratory, Chilton, Didcot, Oxfordshire, OX11 0QX, United Kingdom
24Instituto de Física, Universidade de São Paulo, CP 66318, 05315-970, São Paulo, SP, Brazil
25Department of Physics and Astronomy, University of South Carolina, Columbia, South Carolina 29208, USA
26Department of Physics, Stanford University, Stanford, California 94305, USA
27Department of Physics and Astronomy, University of Sussex, Falmer, Brighton BN1 9QH, United Kingdom
28Physics Department, Texas A&M University, College Station, Texas 77843, USA
29Department of Physics, University of Texas, 1 University Station, Austin, Texas 78712, USA
30Physics Department, Tufts University, Medford, Massachusetts 02155, USA
31Physics Department, Western Washington University, Bellingham, Washington 98225, USA
32Department of Physics, College of William & Mary, Williamsburg, Virginia 23187, USA
33Physics Department, University of Wisconsin, Madison, Wisconsin 53706, USA
Received 4 June 2007; published 15 October 2007
The velocity of a ∼3 GeV neutrino beam is measured by comparing detection times at the near and far detectors of the MINOS experiment, separated by 734 km. A total of 473 far detector neutrino events was used to measure (v-c)/c=5.1±2.9×10-5 (at 68% C.L.). By correlating the measured energies of 258 charged-current neutrino events to their arrival times at the far detector, a limit is imposed on the neutrino mass of mν<50 MeV/c2 (99% C.L.).
© 2007 The American Physical Society
URL:
http://link.aps.org/doi/10.1103/PhysRevD.76.072005
DOI:
10.1103/PhysRevD.76.072005
*Deceased. †Corresponding author.
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