Combined Analysis of Disappearance and Appearance in MINOS Using Accelerator and Atmospheric Neutrinos

P Adamson,I Anghel,A Aurisano, G Barr,M Bishai,A Blake,GJ Bock,D Bogert,SV Cao,CM Castromonte,D Cherdack,S Childress,JAB Coelho,L Corwin, D Cronin-Hennessy,JK De Jong,AV Devan,NE Devenish, MV Diwan,CO Escobar,JJ Evans,E Falk,Gary J Feldman,MV Frohne,HR Gallagher,RA Gomes,MC Goodman,P Gouffon, N Graf, R Gran, K Grzelak,A Habig,SR Hahn,J Hartnell,R Hatcher,A Himmel, A Holin,J Huang, J Hylen, GM Irwin, Z Isvan,C James,D Jensen, T Kafka, SMS Kasahara, G Koizumi, M Kordosky,A Kreymer,Karol Lang,J Ling, PJ Litchfield,P Lucas,WA Mann,ML Marshak,N Mayer, C McGivern, MM Medeiros,R Mehdiyev, JR Meier, MD Messier, DG Michael,WH Miller,SR Mishra, S Moed Sher,CD Moore,L Mualem,J Musser, D Naples,JK Nelson, HB Newman,RJ Nichol, JA Nowak, J O’Connor, M Orchanian,RB Pahlka, J Paley, RB Patterson, G Pawloski, A Perch, S Phan-Budd, RK Plunkett,N Poonthottathil,X Qiu,A Radovic,B Rebel,C Rosenfeld,HA Rubin,MC Sanchez,J Schneps,A Schreckenberger, P Schreiner,R Sharma,A Sousa,N Tagg, RL Talaga,J Thomas,MA Thomson,X Tian, A Timmons,SC Tognini,Ruth Toner,D Torretta, G Tzanakos,J Urheim,P Vahle,B Viren,A Weber,RC Webb,C White,L Whitehead,LH Whitehead,SG Wojcicki, R Zwaska

Physical review letters（2014）

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摘要

We report on a new analysis of neutrino oscillations in MINOS using the complete set of accelerator and atmospheric data. The analysis combines the ν μ disappearance and ν e appearance data using the three-flavor formalism. We measure| Δ m 32 2|=[2.28–2.46]× 1 0− 3 eV 2 (68% CL) and sin 2 θ 23= 0.35–0.65 (90% CL) in the normal hierarchy, and| Δ m 32 2|=[2.32–2.53]× 1 0− 3 eV 2 (68% CL) and sin 2 θ 23= 0.34–0.67 (90% CL) in the inverted hierarchy. The data also constrain δ C P, the θ 23 octant degeneracy and the mass hierarchy; we disfavor 36%(11%) of this three-parameter space at 68%(90%) CL

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