Elastic and quasi-elastic electron scattering off nuclei with neutron excess

Abstract

We present theoretical predictions for electron scattering on oxygen and calcium isotopic chains. The calculations are done within the framework of the distorted-wave Born approximation and the proton and neutron density distributions are evaluated adopting a relativistic Dirac-Hartree model. We present results for the elastic and quasi-elastic cross sections and for the parity-violating asymmetry. As a first step, the results of the models are tested in comparison with some of the data available for elastic and quasi-elastic scattering on 16O and 40Ca nuclei. Then, the evolution of some nuclear properties is investigated as a function of the neutron number. We also present a comparison with the parity-violating asymmetry parameter obtained by the PREX Collaboration on 208Pb and give a prediction for the future experiment CREX on 48Ca.

37 pages, 17 figures. version accepted for publication in the Physical Review C. arXiv admin note: text overlap with arXiv:0809.4124 by other authors

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Cited by in corpus (12)

• Nuclear Equation of State from ground and collective excited state properties of nuclei
• Electron- versus neutrino-nucleus scattering
• Relativistic description of final-state interactions in neutral-current neutrino and antineutrino cross sections
• Influence of the single-particle structure on the nuclear surface and the neutron skin
• Elastic and quasi-elastic electron scattering on the N = 14, 20, and 28 isotonic chains
• The Relativistic Green's function model and charged-current inclusive neutrino-nucleus scattering at T2K kinematics
• The relativistic Green's function model in charged-current quasielastic neutrino and antineutrino scattering at MINER$\nu$A kinematics
• Final-state interactions effects in neutral-current neutrino and antineutrino cross sections at MiniBooNE kinematics
• Relativistic descriptions of final-state interactions in charged-current neutrino-nucleus scattering at ArgoNeuT kinematics
• Neutral Current Neutrino-Nucleus Scattering. Theory
• Neutron density distribution and neutron skin thickness of ${}^{208}$Pb
• Analysis of quasielastic $(e,e^{\prime })$ electromagnetic responses and scaling for nuclear matter in the relativistic mean field model