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Delta-isobar relativistic meson exchange currents in quasielastic electron scattering

Opened Access Delta-isobar relativistic meson exchange currents in quasielastic electron scattering

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Autor: Barbaro, María Benedetta
Caballero Carretero, Juan Antonio
Amaro Soriano, José Enrique
Donnelly, T.W.
Molinari, A.
Departamento: Universidad de Sevilla. Departamento de Física Atómica, Molecular y Nuclear
Fecha: 2003
Publicado en: Nuclear Physics A, 723 (1-2), 181-204.
Tipo de documento: Artículo
Resumen: We study the role of the Δ-isobar current on the response functions for high energy inclusive quasielastic electron scattering from nuclei. We consider a general Lagrangian which is compatible with contact invariance and perform a fully relativistic calculation in first-order perturbation theory for one-particle emission. The dependence of the responses upon off-shell parametrizations is analyzed and found to be mild. A discussion of scaling behaviour and a comparison with various non-relativistic approaches are also presented.
Cita: Barbaro, M.B., Caballero Carretero, J.A., Amaro Soriano, J.E., Donnelly, T.W. y Molinari, A. (2003). Delta-isobar relativistic meson exchange currents in quasielastic electron scattering. Nuclear Physics A, 723 (1-2), 181-204.
Tamaño: 275.7Kb
Formato: PDF

URI: http://hdl.handle.net/11441/64523

DOI: 10.1016/S0375-9474(03)01269-7

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