Publication: Combined Analysis of νμ Disappearance and νμ→νe Appearance in MINOS Using Accelerator and Atmospheric Neutrinos
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Date
2014
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American Physical Society (APS)
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Adamson, P., I. Anghel, A. Aurisano, G. Barr, M. Bishai, A. Blake, G. J. Bock, et al. 2014. "Combined Analysis of νμ Disappearance and νμ→νe Appearance in MINOS Using Accelerator and Atmospheric Neutrinos.” Physical Review Letters 112 (19) (May 12). doi:10.1103/physrevlett.112.191801.
Abstract
We report on a new analysis of neutrino oscillations in MINOS using the complete set of accelerator and atmospheric data. The analysis combines the νμ disappearance and νe appearance data using the three-flavor formalism. We measure |Δm232|=[2.28–2.46]×10−3 eV2 (68% C.L.) and sin2θ23=0.35–0.65 (90% C.L.) in the normal hierarchy, and |Δm232|=[2.32–2.53]×10−3 eV2 (68% C.L.) and sin2θ23=0.34–0.67 (90% C.L.) in the inverted hierarchy. The data also constrain δCP, the θ23 octant degeneracy and the mass hierarchy; we disfavor 36% (11%) of this three-parameter space at 68% (90%) C.L.
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Keywords
eutrino: mass: hierarchy, neutrino: atmosphere, neutrino: oscillation, MINOS, neutrino/mu: beam, neutrino/mu: flux, neutrino/e: particle identification, flavor: 3, neutrino: mass difference, neutrino: mixing angle, CP: violation, experimental results
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