Search for flavor-changing nonstandard neutrino interactions using νe appearance in MINOS

P. Adamson, I. Anghel, A. Aurisano, G. Barr, M. Bishai, A. Blake, G. J. Bock, D. Bogert, S. V. Cao, T. J. Carroll, C. M. Castromonte, R. Chen, S. Childress, J. A.B. Coelho, L. Corwin, D. Cronin-Hennessy, J. K. De Jong, S. De Rijck, A. V. Devan, N. E. DevenishM. V. Diwan, C. O. Escobar, J. J. Evans, E. Falk, G. J. Feldman, W. Flanagan, M. V. Frohne, M. Gabrielyan, H. R. Gallagher, S. Germani, R. A. Gomes, M. C. Goodman, P. Gouffon, N. Graf, R. Gran, K. Grzelak, A. Habig, S. R. Hahn, J. Hartnell, R. Hatcher, A. Holin, J. Huang, J. Hylen, G. M. Irwin, Z. Isvan, C. James, D. Jensen, T. Kafka, M. L. Marshak, G. Pawloski, (MINOS Collaboration)

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Abstract

We report new constraints on flavor-changing nonstandard neutrino interactions from the MINOS long-baseline experiment using νe and νe appearance candidate events from predominantly νμ and νμ beams. We used a statistical selection algorithm to separate νe candidates from background events, enabling an analysis of the combined MINOS neutrino and antineutrino data. We observe no deviations from standard neutrino mixing, and thus place constraints on the nonstandard interaction matter effect, | μeτ|, and phase, (δCP+δeτ), using a 30-bin likelihood fit.

Original languageEnglish (US)
Article number012005
JournalPhysical Review D
Volume95
Issue number1
DOIs
StatePublished - Jan 9 2017

Bibliographical note

Funding Information:
This work was supported by the U.S. DOE; the United Kingdom STFC; the U.S. NSF; the State and University of Minnesota; and Brazil's FAPESP, CNPq and CAPES. We are grateful to the Minnesota Department of Natural Resources, the crew of the Soudan Underground Lab, and the personnel of Fermilab for their contribution to this effort.

Publisher Copyright:
© 2017 American Physical Society.

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