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Confusing non-standard neutrino interactions with oscillations at a neutrino factory

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Confusing non-standard neutrino interactions with oscillations at a neutrino factory

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dc.contributor.author Huber, Patrick
dc.contributor.author Schwetz, Thomas
dc.contributor.author Furtado Valle, José Wagner
dc.date.accessioned 2015-10-22T10:24:19Z
dc.date.available 2015-10-22T10:24:19Z
dc.date.issued 2002
dc.identifier.citation Huber, Patrick Schwetz, Thomas Furtado Valle, José Wagner 2002 Confusing non-standard neutrino interactions with oscillations at a neutrino factory Physical Review D 66 1 013006
dc.identifier.uri http://hdl.handle.net/10550/47847
dc.description.abstract Most neutrino mass theories contain non-standard interactions (NSI) of neutrinos which can be either non-universal (NU) or flavor-changing (FC). We study the impact of such interactions on the determination of neutrino mixing parameters at a neutrino factory using the so-called ``golden channels'' \pnu{e}\to\pnu{\mu} for the measurement of \theta_{13}. We show that a certain combination of FC interactions in neutrino source and earth matter can give exactly the same signal as oscillations arising due to \theta_{13}. This implies that information about \theta_{13} can only be obtained if bounds on NSI are available. Taking into account the existing bounds on FC interactions, this leads to a drastic loss in sensitivity in \theta_{13}, at least two orders of magnitude. A near detector at a neutrino factory offers the possibility to obtain stringent bounds on some NSI parameters. Such near site detector constitutes an essential ingredient of a neutrino factory and a necessary step towards the determination of \theta_{13} and subsequent study of leptonic CP violation.
dc.language.iso eng
dc.relation.ispartof Physical Review D, 2002, vol. 66, num. 1, p. 013006
dc.subject Física
dc.title Confusing non-standard neutrino interactions with oscillations at a neutrino factory
dc.type journal article es_ES
dc.date.updated 2015-10-22T10:24:19Z
dc.identifier.doi 10.1103/PhysRevD.66.013006
dc.identifier.idgrec 031774
dc.rights.accessRights open access es_ES

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