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Neutrino-nucleus quasi-elastic and 2p2h interactions up to 10 GeV

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Neutrino-nucleus quasi-elastic and 2p2h interactions up to 10 GeV

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dc.contributor.author Gran, Richard
dc.contributor.author Nieves Pamplona, Juan Miguel
dc.contributor.author Sánchez Nieto, Federico
dc.contributor.author Vicente Vacas, Manuel José
dc.date.accessioned 2014-02-18T11:42:11Z
dc.date.available 2014-02-18T11:42:11Z
dc.date.issued 2013
dc.identifier.citation Gran, Richard Nieves Pamplona, Juan Miguel Sánchez, Federico Vicente Vacas, Manuel José 2013 Neutrino-nucleus quasi-elastic and 2p2h interactions up to 10 GeV Physical Review D 88 11 113007
dc.identifier.uri http://hdl.handle.net/10550/33034
dc.description.abstract We extend to 10 GeV results from a microscopic calculation of charged-current neutrino-nucleus reactions that do not produce a pion in the final state. For the class of events coming from neutrino interactions with two nucleons producing two holes (2p2h), limiting the calculation to three-momentum transfers less than 1.2 GeV produces a two-dimensional distribution in momentum and energy transfer that is roughly constant as a function of energy. The cross section for 2p2h interactions approximately scales with the number of nucleons for isoscalar nuclei, similar to the quasi-elastic cross section. When limited to momentum transfers below 1.2 GeV, the cross section is 26% of the quasi-elastic cross section at 3 GeV, but 14% if we neglect a Delta(1232) resonance absorption component. The same quantities are 33% and 17% for antineutrinos. For the quasi-elastic interactions, the full nuclear model with long range correlations produces an even larger, but approximately constant distortion of the shape of the four-momentum transfer at all energies above 2 GeV. The 2p2h enhancement and long-range correlation distortions to the cross section for these interactions are significant enough they should be observable in precision experiments to measure neutrino oscillations and neutrino interactions at these energies, but also balance out and produce less total distortion than each effect does individually.
dc.relation.ispartof Physical Review D, 2013, vol. 88, num. 11, p. 113007
dc.subject Física nuclear
dc.title Neutrino-nucleus quasi-elastic and 2p2h interactions up to 10 GeV
dc.type journal article es_ES
dc.date.updated 2014-02-18T11:42:11Z
dc.identifier.doi 10.1103/PhysRevD.88.113007
dc.identifier.idgrec 093209
dc.rights.accessRights open access es_ES
dc.identifier.url 10.1103/PhysRevD.88.113007

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