Improved Search For Muon-neutrino To Electron-neutrino Oscillations In Minos

Adamson P.; Auty D.J.; Ayres D.S.; Backhouse C.; Barr G.; Betancourt M.; Bishai M.; Blake A.; Bock G.J.; Boehnlein D.J.; Bogert D.; Cao S.V.; Cavanaugh S.; Cherdack D.; Childress S.; Coelho J.A.B.; Corwin L.; Cronin-Hennessy D.; Danko I.Z.; De Jong J.K.; 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 P.; Graf N.; Gran R.; Grzelak K.; Habig A.; Hartnell J.; Hatcher R.; Himmel A.; Holin A.; 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.; Kreymer A.; Lang K.; Lefeuvre G.; Ling J.; Litchfield P.J.; Loiacono L.; Lucas P.; Mann W.A.; Marshak M.L.; Mathis M.; 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.; Mualem L.; Mufson S.; Musser J.; Naples D.; Nelson J.K.; Newman H.B.; Nichol R.J.; Nowak J.A.; Ochoa-Ricoux J.P.; Oliver W.P.; Orchanian M.; Paley J.; Patterson R.B.; Pawloski G.; Pearce G.F.; Phan-Budd S.; Plunkett R.K.; Qiu X.; Ratchford J.; Rebel B.; Rosenfeld C.; Rubin H.A.; Sanchez M.C.; Schneps J.; Schreckenberger A.; Schreiner P.; Shanahan P.; Sharma R.; Sousa A.; Tagg N.; Talaga R.L.; Thomas J.; Thomson M.A.; Toner R.; Torretta D.; Tzanakos G.; Urheim J.; Vahle P.; Viren B.; Walding J.J.; Weber A.; Webb R.C.; White C.; Whitehead L.; Wojcicki S.G.; Yang T.; Zwaska R.

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Type:	Artigo de periódico
Title:	Improved Search For Muon-neutrino To Electron-neutrino Oscillations In Minos
Author:	Adamson P. Auty D.J. Ayres D.S. Backhouse C. Barr G. Betancourt M. Bishai M. Blake A. Bock G.J. Boehnlein D.J. Bogert D. Cao S.V. Cavanaugh S. Cherdack D. Childress S. Coelho J.A.B. Corwin L. Cronin-Hennessy D. Danko I.Z. De Jong J.K. 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 P. Graf N. Gran R. Grzelak K. Habig A. Hartnell J. Hatcher R. Himmel A. Holin A. 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. Kreymer A. Lang K. Lefeuvre G. Ling J. Litchfield P.J. Loiacono L. Lucas P. Mann W.A. Marshak M.L. Mathis M. 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. Mualem L. Mufson S. Musser J. Naples D. Nelson J.K. Newman H.B. Nichol R.J. Nowak J.A. Ochoa-Ricoux J.P. Oliver W.P. Orchanian M. Paley J. Patterson R.B. Pawloski G. Pearce G.F. Phan-Budd S. Plunkett R.K. Qiu X. Ratchford J. Rebel B. Rosenfeld C. Rubin H.A. Sanchez M.C. Schneps J. Schreckenberger A. Schreiner P. Shanahan P. Sharma R. Sousa A. Tagg N. Talaga R.L. Thomas J. Thomson M.A. Toner R. Torretta D. Tzanakos G. Urheim J. Vahle P. Viren B. Walding J.J. Weber A. Webb R.C. White C. Whitehead L. Wojcicki S.G. Yang T. Zwaska R.
Abstract:	We report the results of a search for νe appearance in a νμ beam in the MINOS long-baseline neutrino experiment. With an improved analysis and an increased exposure of 8.2×1020 protons on the NuMI target at Fermilab, we find that 2sin2(θ23) sin2(2θ13)<0.12(0.20) at 90% confidence level for δ=0 and the normal (inverted) neutrino mass hierarchy, with a best-fit of 2sin2(θ23)sin2(2θ13)=0. 041-0.031+0.047(0.079-0.053+0.071). The θ13=0 hypothesis is disfavored by the MINOS data at the 89% confidence level. © 2011 American Physical Society.
Citation:	Physical Review Letters. , v. 107, n. 18, p. - , 2011.
Rights:	aberto
Identifier DOI:	10.1103/PhysRevLett.107.181802
Address:	http://www.scopus.com/inward/record.url?eid=2-s2.0-80155151062&partnerID=40&md5=b9a257d12d639cc97b6e78359cf8c11c
Date Issue:	2011
Appears in Collections:	Unicamp - Artigos e Outros Documentos

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