EPJ Web Conf.
Volume 164, 20175th International Conference on New Frontiers in Physics
|Number of page(s)||6|
|Published online||05 December 2017|
Recent NA61/SHINE measurements performed for the T2K experiment
University of Warsaw, Faculty of Physics, Pasteura 5, 02-093 Warsaw, Poland
a e-mail: Magdalena.Posiadala@fuw.edu.pl
Published online: 5 December 2017
The neutrino programme of the NA61/ SHINE experiment at the CERN SPS is aiming to deliver precise hadron production measurements for improving calculations of the initial neutrino beam flux in the long-baseline neutrino oscillation experiments. The first receiver of such measurements is the T2K neutrino oscillation project in Japan. New results on π±, K±, p, K0S and Λ production from the NA61/SHINE 2009 thin target data analyses with smaller statistical and systematic errors are discussed. They enable us to reduce further the flux uncertainties in T2K for neutrino and antineutrino beam mode. We also report on the first corrected π± results obtained for T2K replica target (a 90 cm long cylinder of 2.6 cm diameter, about 1.9λI). Up to 90% of the neutrino flux can be constrained by such measurements as compared to 60% for the thin target measurements that are sensitive only to primary hadron interactions.
© The Authors, published by EDP Sciences, 2017
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (http://creativecommons.org/licenses/by/4.0/).
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