A search for flavor-changing non-standard neutrino interactions using ν_{e} appearance in MINOS

P. Adamson , I. Anghel , A. Aurisano , G. Barr , M. Bishai , A. Blake , G. J. Bock , D. Bogert

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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. Devenish M. 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 S. M. S. Kasahara G. Koizumi M. Kordosky A. Kreymer K. Lang J. Ling P. J. Litchfield P. Lucas W. A. Mann M. L. Marshak N. Mayer C. McGivern M. M. Medeiros R. Mehdiyev J. R. Meier M. D. Messier W. H. Miller S. R. Mishra S. Moed Sher C. D. Moore L. Mualem J. Musser D. Naples J. K. Nelson H. B. Newman R. J. Nichol J. A. Nowak J. O'Connor M. Orchanian R. B. Pahlka J. Paley R. B. Patterson G. Pawloski A. Perch M. M. Pf\"utzner D. D. Phan S. Phan-Budd R. K. Plunkett N. Poonthottathil X. Qiu A. Radovic B. Rebel C. Rosenfeld H. A. Rubin P. Sail M. C. Sanchez J. Schneps A. Schreckenberger P. Schreiner R. Sharma A. Sousa N. Tagg R. L. Talaga J. Thomas M. A. Thomson X. Tian A. Timmons J. Todd S. C. Tognini R. Toner D. Torretta G. Tzanakos J. Urheim P. Vahle B. Viren A. Weber R. C. Webb C. White L. Whitehead L. H. Whitehead S. G. Wojcicki R. Zwaska

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classification ✦ hep-ex

keywords neutrinominosnon-standardappearanceconstraintsdeltaeventsflavor-changing

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We report new constraints on flavor-changing non-standard neutrino interactions from the MINOS long-baseline experiment using $\nu_{e}$ and $\bar{\nu}_{e}$ appearance candidate events from predominantly $\nu_{\mu}$ and $\bar{\nu}_{\mu}$ beams. We used a statistical selection algorithm to separate $\nu_{e}$ 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 non-standard interaction matter effect, $|\varepsilon_{e\tau}|$, and phase, $(\delta_{CP}+\delta_{e\tau})$, using a thirty-bin likelihood fit.

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A search for flavor-changing non-standard neutrino interactions using ν_{e} appearance in MINOS

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