Elastic and quasi-elastic electron scattering on the N = 14, 20, and 28 isotonic chains

Abstract

We present theoretical predictions for electron scattering on the N = 14, 20, and 28 isotonic chains from proton-deficient to proton-rich nuclei. The calculations are performed within the framework of the distorted-wave Born approximation and the proton and neutron density distributions are evaluated adopting a Relativistic Hartree-Bogoliubov (RHB) approach with a density dependent meson-exchange interaction. We present results for the elastic and quasi-elastic cross sections and for the parity-violating asymmetry parameter. Owing to the correlations between the evolution of the electric charge form factors along each chain with the underlying proton shell structure of the isotones, elastic electron scattering experiments on isotones can provide useful informations about the occupation and filling of the single-particle levels of protons.

18 pages, 10 figures. arXiv admin note: substantial text overlap with arXiv:1302.3390

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• Nuclear magic numbers: new features far from stability
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• 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
• Matter distribution and spin-orbit force in spherical nuclei
• Neutron density distribution and neutron skin thickness of ${}^{208}$Pb
• Effect of short- and long-range correlations on neutron skins of various neutron-rich doubly magic nuclei