Combined analysis of νμ disappearance and νμ→νe appearance in MINOS using accelerator and atmospheric neutrinos.

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 |Δm(32)(2)| = [2.28-2.46] × 10(-3) eV(2) (68% C.L.) and sin(2)θ...

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Autori principali: Adamson, P, Anghel, I, Aurisano, A, Barr, G, Bishai, M, Blake, A, Bock, G, Bogert, D, Cao, S, Castromonte, C, Cherdack, D, Childress, S, Coelho, J, Corwin, L, Cronin-Hennessy, D, de Jong, J, Devan, A, Devenish, N, Diwan, M, Escobar, C, Evans, J, Falk, E, Feldman, G, Frohne, M, Gallagher, H
Natura: Journal article
Lingua:English
Pubblicazione: American Physical Society 2014
Descrizione
Riassunto: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 |Δm(32)(2)| = [2.28-2.46] × 10(-3) eV(2) (68% C.L.) and sin(2)θ(23) = 0.35-0.65 (90% C.L.) in the normal hierarchy, and |Δm(32)(2)| = [2.32-2.53] × 10(-3) eV(2) (68% C.L.) and sin(2)θ(23) = 0.34-0.67 (90% C.L.) in the inverted hierarchy. The data also constrain δ(CP), the θ(23} octant degeneracy and the mass hierarchy; we disfavor 36% (11%) of this three-parameter space at 68% (90%) C.L.