Improved Search for Muon-Neutrino to Electron-Neutrino Oscillations in MINOS

P Adamson,G Tzanakos,W A Mann,J Hartnell,G Koizumi,J Musser,D Naples,N Tagg,R Mehdiyev,R J Nichol,A M Mcgowan,P Gouffon,S Phan-Budd,D Bogert,N Mayer,J Schneps,J R Meier,L Whitehead,H A Rubin,A Kreymer,A Blake,N Graf,R A Gomes,D Cronin-Hennessy,J K Nelson,M Orchanian,H B Newman,J Hylen,M C Goodman,J A B Coelho,K Lang,S G Wojcicki,M V Diwan,X Qiu,P Schreiner,M Mathis,P J Litchfield,D G Michael,C James,T Kafka,S Cavanaugh,B Rebel,A Himmel,G J Bock,J Ratchford,M C Sanchez,D J Auty,C White,D E Jaffe,R Gran,E Falk,A Sousa,P Vahle,R Toner,R Sharma,M Dorman,Z Isvan,M Betancourt,G Barr,L Loiacono,K Grzelak,D Torretta,S Mufson,J Urheim,N E Devenish,J Paley,D S Ayres,M A Thomson,D Jensen,M V Frohne,C Rosenfeld,S R Mishra,B Viren,T Yang,L Mualem,C D Moore,R Zwaska,S Childress,M Kordosky,J P Ochoa-Ricoux,G F Pearce,C O Escobar,A Schreckenberger,G Lefeuvre,R L Talaga,M Bishai,G M Irwin,R B Patterson,P Lucas,A Weber,W P Oliver,A Habig,C Backhouse,G Pawloski,G J Feldman,R Hatcher,P Shanahan,J K De Jong,M D Messier,A Holin,D Cherdack,D Boehnlein ,William H Miller ,Justin J Evans ,R Plunkett ,J W Mitchell ,J Walding ,J C Thomas ,J Nowak ,S Köpp ,S M S Kasahara ,I Dankó ,L A Corwin ,Shuo Cao ,R Webb ,H Gallagher ,X T Huang ,М Л Маршак

doi:10.1103/physrevlett.107.181802

Improved Search for Muon-Neutrino to Electron-Neutrino Oscillations in MINOS

P Adamson, G Tzanakos + Show 116 more

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https://doi.org/10.1103/physrevlett.107.181802

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Journal: Physical Review Letters	Publication Date: Oct 27, 2011
Citations: 625	License type: publisher-specific, author manuscript

Affiliation: University of Sussex, Universidade de São Paulo, Fermilab, Illinois Institute of Technology, Universidade Federal de Goiás, Argonne National Laboratory, Universidade Estadual de Campinas, Brookhaven National Laboratory, Tufts University, Harvard University, California Institute of Technology, University College London, University of Pittsburgh, University of Warsaw, College of the Holy Cross, University of Oxford

#NuMI Target #Νμ Beam + Show 8 more

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Abstract

We report the results of a search for ν(e) appearance in a ν(μ) beam in the MINOS long-baseline neutrino experiment. With an improved analysis and an increased exposure of 8.2 × 10(20) protons on the NuMI target at Fermilab, we find that 2 sin(2) (θ(23))sin(2)(2θ(13))<0.12(0.20) at 90% confidence level for δ = 0 and the normal (inverted) neutrino mass hierarchy, with a best-fit of 2sin(2) (θ(23))sin(2)(2θ(13)) = 0.041(-0.031)(+0.047) (0.079(-0.053) (+0.071)). The θ(13) = 0 hypothesis is disfavored by the MINOS data at the 89% confidence level.

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