Photon emission in neutral current interactions at the T2K experiment
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Photon emission in neutral current interactions at the T2K experiment

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Photon emission in neutral current interactions at the T2K experiment

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Wang, En; Álvarez Ruso, Luis; Hayato, Y.; Mahn, Kendall; Nieves Pamplona, Juan Miguel
This document is a artículoDate2015

Este documento está disponible también en : http://hdl.handle.net/10550/55978
We have applied a microscopic model for single photon emission in neutral current interactions on nucleons and nuclei to determine the number and distributions of such events at the Super-Kamiokande detector, for the flux and beam exposure of the T2K experiment in neutrino mode. These reactions represent an effectively irreducible background in electron-(anti) neutrino appearance measurements aimed at a precise measurement of mixing angle theta(13) and the CP violating phase. We have obtained a total number of photon events that is twice as large as the one from the NEUT event generator (version 5.1.4.2) used in the analysis of T2K data. Detailed comparisons of energy and angular distributions for the nu μand (nu) over bar μfluxes have also been performed.

    Wang, En Álvarez Ruso, Luis Hayato, Y. Mahn, Kendall Nieves Pamplona, Juan Miguel 2015 Photon emission in neutral current interactions at the T2K experiment Physical Review D 92 5 053005
https://doi.org/10.1103/PhysRevD.92.053005

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