Inclusive electron scattering within the SuSAv2-MEC approach

Abstract

We present our recent progress on the relativistic modeling of electron-nucleus reactions and compare our predictions with inclusive ${}^{12}$C ($e,e^{\prime }$) experimental data in a wide kinematical region. The model, originally based on the superscaling phenomenon shown by electron-nucleus scattering data, has recently been improved through the inclusion of Relativistic Mean Field theory effects that take into account the enhancement of the transverse scaling function compared with its longitudinal counterpart. We also discuss the impact of meson-exchange currents (MEC) through the analysis of two-particle two-hole longitudinal and transverse contributions to electromagnetic response functions evaluated within the framework of the relativistic Fermi gas. The formalism is also extended to include the complete inelastic spectrum -- resonant, non-resonant and deep inelastic scattering (DIS). The results show quite good agreement with data over the whole range of energy transfer, including the dip region between the quasielastic peak and the $\Delta$ resonance.

17 pages, 10 figures, Published in PRD

References in corpus (10)

• Inclusive quasi-elastic electron-nucleus scattering
• Extensions of Superscaling from Relativistic Mean Field Theory: the SuSAv2 Model
• Empirical Fit to Inelastic Electron-Deuteron and Electron-Neutron Resonance Region Transverse Cross Sections
• Meson-exchange currents and quasielastic predictions for charged-current neutrino-12C scattering in the superscaling approach
• General study of superscaling in quasielastic $(e,e^{\prime })$ and $(\nu ,\mu )$ reactions using the relativistic impulse approximation
• Scaling and isospin effects in quasielastic lepton-nucleus scattering in the Relativistic Mean Field Approach
• Final-state interactions and superscaling in the semi-relativistic approach to quasielastic electron and neutrino scattering
• Relativistic effects in two-particle emission for electron and neutrino reactions
• Angular distribution in two-particle emission induced by neutrinos and electrons
• Superscaling of non-quasielastic electron-nucleus scattering

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