Relativistic pionic effects in quasielastic electron scattering

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dc.creatorAmaro, J. E.
dc.creatorBarbaro, M. B.
dc.creatorCaballero, J. A.
dc.creatorDonnelly, T. W.
dc.creatorMolinari, A.
dc.date2001-06-15
dc.date.accessioned2026-07-07T10:54:40Z
dc.date.available2026-07-07T10:54:40Z
dc.descriptionThe impact of relativistic pionic correlations and meson-exchange currents on the response functions for electromagnetic quasielastic electron scattering from nuclei is studied in detail. Results in first-order perturbation theory are obtained for one-particle emission electronuclear reactions within the context of the relativistic Fermi gas model. Improving upon previous analyses where non-relativistic reductions of the currents were performed, here a fully relativistic analysis in which both forces and currents are treated consistently is presented. Lorentz covariance is shown to play a crucial role in enforcing the gauge invariance of the theory. Effects stemming uniquely from relativity in the pionic correlations are identified and, in particular, a comprehensive study of the self-energy contributions and of the currents associated with the pion is presented. First- and second-kind scaling for high momentum transfer is investigated.
dc.description43 pages, 21 figures
dc.identifierhttps://arxiv.org/abs/nucl-th/0106035
dc.identifierhttp://arxiv.org/abs/nucl-th/0106035
dc.identifierNucl.Phys.A697:388-428,2002
dc.identifierdoi:10.1016/S0375-9474(01)01253-2
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/185869
dc.subjectNuclear Theory
dc.titleRelativistic pionic effects in quasielastic electron scattering
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