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Neutrino facility and neutrino physics in J-PARC
Author(s) -
T. Sekiguchi
Publication year - 2012
Publication title -
progress of theoretical and experimental physics
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.887
H-Index - 53
ISSN - 2050-3911
DOI - 10.1093/ptep/pts020
Subject(s) - physics , neutrino oscillation , neutrino , nuclear physics , j parc , particle physics , measurements of neutrino speed , solar neutrino , solar neutrino problem , proton , beam (structure) , optics
The neutrino facility in the Japan Proton Accelerator Research Complex (J-PARC) produces a very intense neutrino beam for the Tokai to Kamioka long-baseline neutrino oscillation experiment, T2K. The physics operation of the T2K started in January 2010 and the data taken from the January 2010 to March 2011 period correspond to 1.43 × 10 protons on target. From analysis of these data, the first nm ne appearance candidates were observed and an indication of sin2u13 = 0 was obtained with 2.5s significance. The T2K aims for a very precise measurement of ne appearance and a possible search for CP violation with very large statistics.

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