Journal
PHYSICAL REVIEW D
Volume 91, Issue 7, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevD.91.073004
Keywords
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Funding
- Spanish Contract [DGI FIS2011-28738-C02-01]
- Junta de Andalucia Contract [FQM-160, FQM225]
- INFN
- Spanish Consolider-Ingenio Program CPAN
- U.S. Department of Energy [DE-SC0011090]
- 7th European Community Framework Program Marie Curie IOF ELECTROWEAK
- Junta de Andalucia [FQM-7632]
- VPPI-US (Universidad de Sevilla)
- INFN under project MANYBODY
- [DGI FIS2011-24149]
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We evaluate and discuss the impact of meson-exchange currents (MECs) on charged-current quasielastic neutrino cross sections. We consider the nuclear transverse response arising from two-particle two-hole states excited by the action of electromagnetic, purely isovector meson-exchange currents in a fully relativistic framework based on the work by the Torino Collaboration [A. D. Pace, M. Nardi, W. M. Alberico, T. W. Donnelly, and A. Molinari, Nucl. Phys. A726, 303 (2003)]. An accurate parametrization of this MEC response as a function of the momentum and energy transfers involved is presented. Results of neutrino-nucleus cross sections using this MEC parametrization together with a recent scaling approach for the one-particle one-hole contributions (named SuSAv2) are compared with experimental data.
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