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Neutrino induced coherent pion production off nuclei and the partial conservation of the axial current

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Neutrino induced coherent pion production off nuclei and the partial conservation of the axial current

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dc.contributor.author Hernández Gajate, Eliecer
dc.contributor.author Nieves Pamplona, Juan Miguel
dc.contributor.author Vicente Vacas, Manuel José
dc.date.accessioned 2014-10-23T07:42:35Z
dc.date.available 2014-10-23T07:42:35Z
dc.date.issued 2009
dc.identifier.citation Hernández Gajate, Eliecer Nieves Pamplona, Juan Miguel Vicente Vacas, Manuel José 2009 Neutrino induced coherent pion production off nuclei and the partial conservation of the axial current Physical Review D 80 1 013003
dc.identifier.uri http://hdl.handle.net/10550/39313
dc.description.abstract We review the Rein-Sehgal model and criticize its use for low energy neutrino induced coherent pion production. We have studied the validity of the main approximations implicit in that model, trying to compare with physical observables when that is possible and with microscopical calculations. Next, we have tried to elaborate a new improved model by removing the more problematic approximations, while keeping the model still reasonably simple. Last, we have discussed the limitations intrinsic to any approach based on the partial conservation of the axial current hypothesis. In particular, we have shown the inability of such models to determine the angular distribution of the outgoing pion with respect to the direction of the incoming neutrino, except for the q(2)=0 kinematical point.
dc.language.iso eng
dc.relation.ispartof Physical Review D, 2009, vol. 80, num. 1, p. 013003
dc.subject Física
dc.title Neutrino induced coherent pion production off nuclei and the partial conservation of the axial current
dc.type journal article es_ES
dc.date.updated 2014-10-23T07:42:35Z
dc.identifier.doi 10.1103/PhysRevD.80.013003
dc.identifier.idgrec 057794
dc.rights.accessRights open access es_ES

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