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Neutrino oscillation physics potential of the T2K experiment

CollaborationWith : Blondel, Alain / Bravar, Alessandro / Haegel, Leïla / Haesler, Alexis / Korzenev, Alexander / Ravonel Salzgeber, Melody / Rayner, Mark / Scantamburlo, Enrico
Published in Progress of Theoretical Physics. 2015, vol. 2015, no. 4, p. 043C01-79
Collection SCOAP3
Abstract The observation of the recent electron neutrino appearance in a muon neutrino beam and the high-precision measurement of the mixing angle have led to a re-evaluation of the physics potential of the T2K long-baseline neutrino oscillation experiment. Sensitivities are explored for CP violation in neutrinos, non-maximal , the octant of , and the mass hierarchy, in addition to the measurements of , , and , for various combinations of -mode and -mode data-taking. With an exposure of protons-on-target, T2K can achieve 1 resolution of 0.050 (0.054) on and on for 100% (50%) neutrino beam mode running assuming and . T2K will have sensitivity to the CP-violating phase at 90% C.L. or better over a significant range. For example, if is maximal (i.e. ) the range is for normal hierarchy and for inverted hierarchy. When T2K data is combined with data from the NO A experiment, the region of oscillation parameter space where there is sensitivity to observe a non-zero is substantially increased compared to if each experiment is analyzed alone.
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arXiv: 1409.7469
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T2K COLLABORATION. Neutrino oscillation physics potential of the T2K experiment. In: Progress of Theoretical Physics, 2015, vol. 2015, n° 4, p. 043C01-79. https://archive-ouverte.unige.ch/unige:73688

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Deposited on : 2015-06-25

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