caa a22 4500 528784617 20191028030420.0 cr unu---uuuuu 180924e201504 xx s 000 0 eng 10.3929/ethz-b-000101995 doi 10.1093/ptep/ptv031 doi (ETHRESEARCH)oai:www.research-collection.ethz.ch:20.500.11850/101995 Neutrino oscillation physics potential of the T2K experiment [Elektronische Daten] [The T2K Collaboration, K. Abe, Silvestro Di Luise, Sosuke Horikawa, Sébastien Murphy, André Rubbia, Davide Sgalaberna, et al.] Open access ethresearch The observation of the recent electron neutrino appearance in a muon neutrino beam and the high-precision measurement of the mixing angle θ13 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 sin22θ23, the octant of θ23, and the mass hierarchy, in addition to the measurements of δCP, sin2θ23, and Δm232, for various combinations of ν-mode and ν¯-mode data-taking. With an exposure of 7.8×1021 protons-on-target, T2K can achieve 1σ resolution of 0.050 (0.054) on sin2θ23 and 0.040 (0.045)×10−3eV2 on Δm232 for 100% (50%) neutrino beam mode running assuming sin2θ23=0.5 and Δm232=2.4×10−3eV2. T2K will have sensitivity to the CP violating phase δCP at 90% C.L. or better over a significant range. For example, if sin22θ23 is maximal (i.e.θ23=45∘) the range is−115∘<δCP<−60∘ for normal hierarchy and +50∘<δCP<+130∘ for inverted hierarchy. When T2K data is combined with data from the NO ν A experiment, the region of oscillation parameter space where there is sensitivity to observe a non-zero δCP is substantially increased compared to if each experiment is analyzed alone. Creative Commons Attribution 4.0 International http://creativecommons.org/licenses/by/4.0 ethresearch The T2K Collaboration joint author Abe K. joint author Di Luise Silvestro joint author Horikawa Sosuke joint author Murphy Sébastien joint author Rubbia André joint author Sgalaberna Davide joint author et al. joint author Progress of Theoretical and Experimental Physics Oxford : Oxford University Press 2015 (4), p. 043C01 http://hdl.handle.net/20.500.11850/101995 text/html WWW-Backlink auf das Repository (Open access) 1 Journal Article ethresearch ETHRESEARCH 856 40 http://hdl.handle.net/20.500.11850/101995 text/html WWW-Backlink auf das Repository (Open access) ETHRESEARCH 700 -- The T2K Collaboration joint author ETHRESEARCH 700 1- Abe K. joint author ETHRESEARCH 700 1- Di Luise Silvestro joint author ETHRESEARCH 700 1- Horikawa Sosuke joint author ETHRESEARCH 700 1- Murphy Sébastien joint author ETHRESEARCH 700 1- Rubbia André joint author ETHRESEARCH 700 1- Sgalaberna Davide joint author ETHRESEARCH 700 -- et al joint author ETHRESEARCH 773 0- Progress of Theoretical and Experimental Physics Oxford : Oxford University Press 2015 (4), p. 043C01 BK010053 XK010053 XK010000 ETHRESEARCH ETHRESEARCH ETHRESEARCH Journal Article Open access