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Meson-exchange currents and quasielastic predictions for charged-current neutrino-12C scattering in the superscaling approach

 

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Opened Access Meson-exchange currents and quasielastic predictions for charged-current neutrino-12C scattering in the superscaling approach
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Author: Megías Vázquez, Guillermo Daniel
Donnelly, T. W.
Moreno, O.
Williamson, C. F.
Caballero Carretero, Juan Antonio
González Jiménez, Raúl
de Pace, A.
Barbaro, M. B.
Department: Universidad de Sevilla. Departamento de Física Atómica, Molecular y Nuclear
Date: 2015-04-07
Published in: Physical Review D - Particles, Fields, Gravitation and Cosmology, 91 (7), 073004-1-073004-13.
Document type: Article
Abstract: 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.
Cite: Megías Vázquez, G.D., Donnelly, T.W., Moreno, O., Williamson, C.F., Caballero Carretero, J.A., González Jiménez, R.,...,Barbaro, M.B. (2015). Meson-exchange currents and quasielastic predictions for charged-current neutrino-12C scattering in the superscaling approach. Physical Review D - Particles, Fields, Gravitation and Cosmology, 91 (7), 073004-1-073004-13.
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Format: PDF

URI: http://hdl.handle.net/11441/62584

DOI: 10.1103/PhysRevD.91.073004

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