New constraints on muon-neutrino to electron-neutrino transitions in MINOS


Autoria(s): ADAMSON, P.; ANDREOPOULOS, C.; AUTY, D. J.; AYRES, D. S.; BACKHOUSE, C.; BARR, G.; BERNSTEIN, R. H.; BETANCOURT, M.; BHATTARAI, P.; BISHAI, M.; BLAKE, A.; BOCK, G. J.; BOEHM, J.; BOEHNLEIN, D. J.; BOGERT, D.; BOWER, C.; BUDD, S.; CAVANAUGH, S.; CHERDACK, D.; CHILDRESS, S.; CHOUDHARY, B. C.; COBB, J. H.; 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.; GODLEY, A.; GOODMAN, M. C.; Gouffon, Philippe; GRAF, N.; GRAN, R.; GRASHORN, E. W.; GRZELAK, K.; HABIG, A.; HARRIS, D.; HARRIS, P. G.; HARTNELL, J.; HATCHER, R.; HELLER, K.; 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.; KRAHN, Z.; KREYMER, A.; LANG, K.; LEFEUVRE, G.; LING, J.; LITCHFIELD, P. J.; LITCHFIELD, R. P.; LOIACONO, L.; LUCAS, P.; MA, J.; MANN, W. A.; MARSHAK, M. L.; MARSHALL, J. S.; 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.; MORFIN, J.; MUALEM, L.; MUFSON, S.; MUSSER, J.; NAPLES, D.; NELSON, J. K.; NEWMAN, H. B.; NICHOL, R. J.; OCHOA-RICOUX, J. P.; OLIVER, W. P.; ORCHANIAN, M.; OSPANOV, R.; PALEY, J.; PARA, A.; PATTERSON, R. B.; PAWLOSKI, G.; PEARCE, G. F.; PETYT, D. A.; PITTAM, R.; PLUNKETT, R. K.; RAMEIKA, R. A.; RAUFER, T. M.; REBEL, B.; RODRIGUES, P. A.; ROSENFELD, C.; RUBIN, H. A.; RYABOV, V. A.; SANCHEZ, M. C.; SCHNEPS, J.; SCHREINER, P.; SHANAHAN, P.; SMART, W.; SMITH, C.; SOUSA, A.; STRAIT, M.; SWAIN, S.; 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.; WRIGHT, D. M.; YANG, T.; ZHANG, K.; ZOIS, M.; ZWASKA, R.
Contribuinte(s)

UNIVERSIDADE DE SÃO PAULO

Data(s)

18/04/2012

18/04/2012

2010

Resumo

This paper reports results from a search for nu(mu) -> nu(e) transitions by the MINOS experiment based on a 7 x 10(20) protons-on-target exposure. Our observation of 54 candidate nu(e) events in the far detector with a background of 49.1 +/- 7.0(stat) +/- 2.7(syst) events predicted by the measurements in the near detector requires 2sin(2)(2 theta(13))sin(2)theta(23) < 0.12(0.20) at the 90% C.L. for the normal (inverted) mass hierarchy at delta(CP) = 0. The experiment sets the tightest limits to date on the value of theta(13) for nearly all values of delta(CP) for the normal neutrino mass hierarchy and maximal sin(2)(2 theta(23)).

U.S. DOE

U.K. STFC

U.S. NSF National Science Foundation

State and University of Minnesota

University of Athens, Greece

Brazil's FAPESP

CNPq

Coordenacao de Aperfeicoamento de Pessoal de Nivel Superior (CAPES)

Identificador

PHYSICAL REVIEW D, v.82, n.5, 2010

1550-7998

http://producao.usp.br/handle/BDPI/16000

10.1103/PhysRevD.82.051102

http://dx.doi.org/10.1103/PhysRevD.82.051102

Idioma(s)

eng

Publicador

AMER PHYSICAL SOC

Relação

Physical Review D

Direitos

restrictedAccess

Copyright AMER PHYSICAL SOC

Palavras-Chave #GLOBAL ANALYSIS #LEPTON CHARGE #OSCILLATIONS #DETECTOR #Astronomy & Astrophysics #Physics, Particles & Fields
Tipo

article

original article

publishedVersion