Electron Neutrino and Antineutrino Appearance in the Full MINOS Data Sample

Creators: Adamson, P.; Himmel, A.; Michael, D. G.; Mualem, L.; Newman, H. B.; Ochoa-Ricoux, J. P.; Orchanian, M.; Patterson, R. B.; MINOS Collaboration

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Abstract

We report on ν_e and ν_e appearance in ν_μ and ν_μ beams using the full MINOS data sample. The comparison of these ν_e and ν_e appearance data at a 735 km baseline with θ_(13) measurements by reactor experiments probes δ, the θ_(23) octant degeneracy, and the mass hierarchy. This analysis is the first use of this technique and includes the first accelerator long-baseline search for ν_μ→ν_e. Our data disfavor 31% (5%) of the three-parameter space defined by δ, the octant of the θ_(23), and the mass hierarchy at the 68% (90%) C.L. We measure a value of 2sin^2(2θ_(13))sin^2(θ_(23)) that is consistent with reactor experiments.

Additional Information

© 2013 American Physical Society. Received 22 January 2013; revised 24 February 2013; published 22 April 2013. This work was supported by the U.S. DOE; the U.K. STFC; the U.S. NSF; the state and University of Minnesota; the University of Athens, Greece; and Brazil's FAPESP, CNPq, and CAPES. We are grateful to the Minnesota DNR, the crew of the Soudan Underground Laboratory, and the personnel of Fermilab for their contributions to this effort. We thank Texas Advanced Computing Center at The University of Texas at Austin for the provision of computing resources.

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Published - PhysRevLett.110.171801.pdf

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