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The earth Mantle-Core effect in charge-asymmetries for atmospheric neutrino oscillations

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The earth Mantle-Core effect in charge-asymmetries for atmospheric neutrino oscillations

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dc.contributor.author Bernabeu Alberola, José
dc.contributor.author Palomares Ruiz, Sergio
dc.contributor.author Pérez Cañellas, Armando
dc.contributor.author Petcov, Serguey T.
dc.date.accessioned 2016-05-03T12:13:37Z
dc.date.available 2016-05-03T12:13:37Z
dc.date.issued 2002
dc.identifier.citation Bernabeu Alberola, José; Palomares Ruiz, Sergio; Pérez Cañellas, Armando; Petcov, Serguey T. (2002) The earth Mantle-Core effect in charge-asymmetries for atmospheric neutrino oscillations Physics Letters B 531 1-2 90 98
dc.identifier.uri http://hdl.handle.net/10550/53339
dc.description.abstract Earth medium effects in the three-neutrino oscillations of atmospheric neutrinos are observable under appropriate conditions. This paper generalizes the study of the medium effects and the possibility of their observation in the atmospheric neutrino oscillations from the case of neutrinos traversing only the Earth mantle, where the density is essentially constant, to the case of atmospheric neutrinos crossing also the Earth core. In the latter case new resonance-like effects become apparent. We calculate the CPT-odd asymmetry for the survival probability of muon neutrinos and the observable muon-charge asymmetry, taking into account the different atmospheric neutrino fluxes, and show the dependence of these asymmetries on the sign of Δm231 and on the magnitude of the mixing angle θ13. A magnetized detector with a sufficiently good neutrino momentum resolution is required for the observation of the muon-charge asymmetry generated by the Earth mantle-core effect.
dc.language.iso eng
dc.relation.ispartof Physics Letters B, 2002, vol. 531, num. 1-2, p. 90-98
dc.subject Física
dc.title The earth Mantle-Core effect in charge-asymmetries for atmospheric neutrino oscillations
dc.type journal article es_ES
dc.date.updated 2016-05-03T12:13:37Z
dc.identifier.doi 10.1016/S0370-2693(02)01358-8
dc.identifier.idgrec 069011
dc.rights.accessRights open access es_ES

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