Measurement of the Neutrino Mass Splitting and Flavor Mixing by MINOS


Autoria(s): ADAMSON, P.; ANDREOPOULOS, C.; ARMSTRONG, R.; AUTY, D. J.; AYRES, D. S.; BACKHOUSE, C.; BARR, G.; BISHAI, M.; BLAKE, A.; BOCK, G. J.; BOEHNLEIN, D. J.; BOGERT, D.; CAVANAUGH, S.; CHERDACK, D.; CHILDRESS, S.; CHOUDHARY, B. C.; COELHO, J. A. B.; COLEMAN, S. J.; CORWIN, L.; CRONIN-HENNESSY, D.; DANKO, I. Z.; JONG, J. K. de; DEVENISH, N. E.; DIWAN, M. V.; DORMAN, M.; ESCOBAR, C. O.; EVANS, J. J.; FALK, E.; FELDMAN, G. J.; FROHNE, M. V.; GALLAGHER, H. R.; GOMES, R. A.; GOODMAN, M. C.; Gouffon, Philippe; GRAF, N.; GRAN, R.; GRANT, N.; GRZELAK, K.; HABIG, A.; HARRIS, D.; HARTNELL, J.; HATCHER, R.; HIMMEL, A.; HOLIN, A.; HUANG, X.; HYLEN, J.; ILIC, 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.; LITCHFIELD, R. P.; LOIACONO, L.; LUCAS, P.; MANN, W. A.; MARSHAK, M. L.; 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.; MOFFIN, J.; MUALEM, L.; MUFSON, S.; MUSSER, J.; NAPLES, D.; NELSON, J. K.; NEWMAN, H. B.; NICHOL, R. J.; NOWAK, J. A.; OLIVER, W. P.; ORCHANIAN, M.; OSPANOV, R.; PALEY, J.; PATTERSON, R. B.; PAWLOSKI, G.; PEARCE, G. F.; PETYT, D. A.; PHAN-BUDD, S.; PLUNKETT, R. K.; QIU, X.; RATCHFORD, J.; RAUFER, T. M.; REBEL, B.; RODRIGUES, P. A.; ROSENFELD, C.; RUBIN, H. A.; SANCHEZ, M. C.; SCHNEPS, J.; SCHREINER, P.; SHANAHAN, P.; SMITH, C.; SOUSA, A.; STAMOULIS, P.; STRAIT, M.; TAGG, N.; TALAGA, R. L.; THOMAS, J.; THOMSON, M. A.; TINTI, G.; TONER, R.; TZANAKOS, G.; URHEIM, J.; VAHLE, P.; VIREN, B.; WEBER, A.; WEBB, R. C.; WHITE, C.; WHITEHEAD, L.; WOJCICKI, S. G.; YANG, T.; ZWASKA, R.
Contribuinte(s)

UNIVERSIDADE DE SÃO PAULO

Data(s)

18/04/2012

18/04/2012

2011

Resumo

Measurements of neutrino oscillations using the disappearance of muon neutrinos from the Fermilab NuMI neutrino beam as observed by the two MINOS detectors are reported. New analysis methods have been applied to an enlarged data sample from an exposure of 7.25 x 10(20) protons on target. A fit to neutrino oscillations yields values of vertical bar Delta m(2)vertical bar = (2.32(-0.08)(+0.12) x 10(-3) eV(2) for the atmospheric mass splitting and sin(2)(2 theta) > 0.90 (90% C.L.) for the mixing angle. Pure neutrino decay and quantum decoherence hypotheses are excluded at 7 and 9 standard deviations, respectively.

U.S. DOE

UK STFC

U.S. NSF National Science Foundation

State and University of Minnesota

University of Athens, Greece

Brazil FAPESP

Brazil CNPq

Brazil CAPES

Identificador

PHYSICAL REVIEW LETTERS, v.106, n.18, 2011

0031-9007

http://producao.usp.br/handle/BDPI/16052

10.1103/PhysRevLett.106.181801

http://dx.doi.org/10.1103/PhysRevLett.106.181801

Idioma(s)

eng

Publicador

AMER PHYSICAL SOC

Relação

Physical Review Letters

Direitos

restrictedAccess

Copyright AMER PHYSICAL SOC

Palavras-Chave #LEPTON CHARGE #Physics, Multidisciplinary
Tipo

article

original article

publishedVersion