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How sensitive is a neutrino factory to the angle θ13\theta_{13}?

Abstract

We consider the impact of non-standard interactions of neutrinos (NSI) on the determination of neutrino mixing parameters at a neutrino factory using \pnu{e}\to\pnu{\mu} ``golden channels'' for the measurement of θ13\theta_{13}. We show how a small residual NSI leads to a drastic loss in sensitivity in θ13\theta_{13}, of up to two orders of magnitude. This can be somewhat overcome if two baselines are combined.Comment: 4 pages, 3 figure

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