Measurement of neutrino and antineutrino oscillations using beam and atmospheric data in MINOS

P. Adamson, I. Anghel, C. Backhouse, G. Barr, M. Bishai, A. Blake, G. J. Bock, D. Bogert, S. V. Cao, C. M. Castromonte, S. Childress, J. A.B. Coelho, L. Corwin, D. Cronin-Hennessy, J. K. De Jong, A. V. Devan, N. E. Devenish, M. V. Diwan, C. O. Escobar, J. J. EvansE. Falk, G. J. Feldman, M. V. Frohne, H. R. Gallagher, R. A. Gomes, M. C. Goodman, P. Gouffon, N. Graf, R. Gran, K. Grzelak, A. Habig, S. R. Hahn, J. Hartnell, R. Hatcher, A. Himmel, A. Holin, J. Hylen, G. M. Irwin, Z. Isvan, C. James, D. Jensen, T. Kafka, S. M.S. Kasahara, G. Koizumi, M. Kordosky, A. Kreymer, K. Lang, J. Ling, M. L. Marshak, G. Pawloski

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Abstract

We report measurements of oscillation parameters from νμ and ν̄μ disappearance using beam and atmospheric data from MINOS. The data comprise exposures of 10.71×1020 protons on target in the νμ-dominated beam, 3.36×1020 protons on target in the ν̄μ-enhanced beam, and 37.88 kton yr of atmospheric neutrinos. Assuming identical ν and ν̄ oscillation parameters, we measure |Δm2|=(2.41-0.10+0.09)×10-3 eV2 and sinâ¡2(2θ)=0.950-0.036+0.035. Allowing independent ν and ν̄ oscillations, we measure antineutrino parameters of |Δm̄2|=(2.50-0.25+0.23)×10-3 eV2 and sinâ¡2(2θ̄)=0.97-0.08+0.03, with minimal change to the neutrino parameters.

Original languageEnglish (US)
Article number251801
JournalPhysical review letters
Volume110
Issue number25
DOIs
StatePublished - Jun 17 2013

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