J-PARC Neutrino Beamline Upgrade Technical Design Report

Abe, K. and Aihara, H. and Ajmi, A. and Alt, C. and Andreopoulos, C. and Antonova, M. and Aoki, S. and Asada, Y. and Ashida, Y. and Atkin, E. and Ban, S. and Barbato, F. C. T. and Barbi, M. and Barker, G. J. and Barr, G. and Batkiewicz, M. and Beloshapkin, A. and Berardi, V. and Berns, L. and Bhadra, S. and Bian, J. and Bienstock, S. and Blondel, A. and Bolognesi, S. and Borg, J. and Bourguille, B. and Brailsford, D. and Bravar, A. and Bron, S. and Bronner, C. and Avanzini, M. Buizza and Calabria, N. F. and Calcutt, J. and Calland, R. G. and Calvet, D. and Campbell, T. and Cao, S. and Catanesi, M. G. and Cervera, A. and Chappell, A. and Dealtry, T. and Finch, A. J. and Knox, A. and Kormos, L. L. and Lamont, I. and Lawe, M. and Nowak, J. and O'Keeffe, H. M. and Ratoff, P. N. and Southwell, L. (2019) J-PARC Neutrino Beamline Upgrade Technical Design Report. arxiv.org.

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In this document, technical details of the upgrade plan of the J-PARC neutrino beamline for the extension of the T2K experiment are described. T2K has proposed to accumulate data corresponding to $2\times{}10^{22}$ protons-on-target in the next decade, aiming at an initial observation of CP violation with $3\sigma$ or higher significance in the case of maximal CP violation. Methods to increase the neutrino beam intensity, which are necessary to achieve the proposed data increase, are described.

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16 Aug 2019 08:25
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27 Sep 2020 05:25