Search for Muon-Neutrino to Electron-Neutrino Transitions in MINOS


Autoria(s): ADAMSON, P.; ANDREOPOULOS, C.; ARMS, K. E.; ARMSTRONG, R.; AUTY, D. J.; AYRES, D. S.; BACKHOUSE, C.; BARNES JR., P. D.; BARR, G.; BARRETT, W. L.; BECKER, B. R.; BELIAS, A.; BERNSTEIN, R. H.; BETANCOURT, M.; BHATTACHARYA, D.; BISHAI, M.; BLAKE, A.; BOCK, G. J.; BOEHM, J.; BOEHNLEIN, D. J.; BOGERT, D.; BOWER, C.; CAVANAUGH, S.; CHAPMAN, J. D.; CHERDACK, D.; CHILDRESS, S.; CHOUDHARY, B. C.; COBB, J. H.; COELHO, J. A. B.; COLEMAN, S. J.; CRONIN-HENNESSY, D.; CULLING, A. J.; DANKO, I. Z.; JONG, J. K. de; DEVENISH, N. E.; DIWAN, M. V.; DORMAN, M.; ERWIN, A. R.; ESCOBAR, C. O.; EVANS, J. J.; FALK, E.; FELDMAN, G. J.; FROHNE, M. V.; GALLAGHER, H. R.; GODLEY, A.; GOODMAN, M. C.; Gouffon, Philippe; GRAN, R.; GRASHORN, E. W.; GRZELAK, K.; HABIG, A.; HARRIS, D.; HARRIS, P. G.; HARTNELL, J.; HATCHER, R.; HELLER, K.; HIMMEL, A.; HOLIN, A.; HOWCROFT, C.; HUANG, X.; HYLEN, 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.; KOSKINEN, D. J.; KRAHN, Z.; KREYMER, A.; LANG, K.; 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.; METELKO, C. J.; 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.; NICHOLLS, T. C.; OCHOA-RICOUX, J. P.; OLIVER, W. P.; OSPANOV, R.; PALEY, J.; PARA, A.; PATTERSON, R. B.; PATZAK, T.; PAVLOVIC, Z.; PAWLOSKI, G.; PEARCE, G. F.; PETYT, D. A.; PITTAM, R.; PLUNKETT, R. K.; RAHAMAN, A.; RAMEIKA, R. A.; RAUFER, T. M.; REBEL, B.; REICHENBACHER, J.; RODRIGUES, P. A.; ROSENFELD, C.; RUBIN, H. A.; RYABOV, V. A.; SANCHEZ, M. C.; SAOULIDOU, N.; SCHNEPS, J.; SCHREINER, P.; SHANAHAN, P.; SMART, W.; SMITH, C.; SOUSA, A.; SPEAKMAN, B.; STAMOULIS, P.; STRAIT, M.; TAGG, N.; TALAGA, R. L.; THOMAS, J.; THOMSON, M. A.; THRON, J. L.; TINTI, G.; TONER, R.; TSAREV, V. A.; TZANAKOS, G.; URHEIM, J.; VAHLE, P.; VIREN, B.; WARD, D. R.; WATABE, M.; WEBER, A.; WEBB, R. C.; WEST, N.; WHITE, C.; WHITEHEAD, L.; WOJCICKI, S. G.; WRIGHT, D. M.; YANG, T.; ZHANG, K.; ZHENG, H.; ZOIS, M.; ZWASKA, R.
Contribuinte(s)

UNIVERSIDADE DE SÃO PAULO

Data(s)

18/04/2012

18/04/2012

2009

Resumo

This Letter reports on a search for nu(mu)->nu(e) transitions by the MINOS experiment based on a 3.14x10(20) protons-on-target exposure in the Fermilab NuMI beam. We observe 35 events in the Far Detector with a background of 27 +/- 5(stat)+/- 2(syst) events predicted by the measurements in the Near Detector. If interpreted in terms of nu(mu)->nu(e) oscillations, this 1.5 sigma excess of events is consistent with sin(2)(2 theta(13)) comparable to the CHOOZ limit when |Delta m(2)|=2.43x10(-3) eV(2) and sin(2)(2 theta(23))=1.0 are assumed.

US DOE

UK STFC

US NSF National Science Foundation

State and University of Minnesota

University of Athens, Greece

Brazil's FAPESP

CNPq

Identificador

PHYSICAL REVIEW LETTERS, v.103, n.26, 2009

0031-9007

http://producao.usp.br/handle/BDPI/16014

10.1103/PhysRevLett.103.261802

http://dx.doi.org/10.1103/PhysRevLett.103.261802

Idioma(s)

eng

Publicador

AMER PHYSICAL SOC

Relação

Physical Review Letters

Direitos

restrictedAccess

Copyright AMER PHYSICAL SOC

Palavras-Chave #GLOBAL ANALYSIS #LEPTON CHARGE #OSCILLATIONS #DETECTOR #Physics, Multidisciplinary
Tipo

article

original article

publishedVersion