Parity violating elastic electron scattering and neutron density distributions in the Relativistic Hartree-Bogoliubov model

Abstract

Parity violating elastic electron scattering on neutron-rich nuclei is described in the framework of relativistic mean-field theory. Self-consistent ground state density distributions of Ne, Na, Ni and Sn isotopes are calculated with the relativistic Hartree- Bogoliubov model, and the resulting neutron radii are compared with available experimental data. For the elastic scattering of 850 MeV electrons on these nuclei, the parity-violating asymmetry parameters are calculated using a relativistic optical model with inclusion of Coulomb distortion effects. The asymmetry parameters for chains of isotopes are compared, and their relation to the Fourier transforms of neutron densities is studied. It is shown that parity-violating asymmetries are sensitive not only to the formation of the neutron skin, but also to the shell effects of the neutron density distribution.

RevTeX 17 pages, 18 eps figs, submitted to Phys. Rev. C

References in corpus (4)

• Low-Energy Parity-Violation and New Physics
• Ground-state properties of deformed proton emitters in the relativistic Hartree-Bogoliubov model
• Effects of Neutron Spatial Distributions on Atomic Parity Nonconservation in Cesium
• Transitional Lu and Spherical Ta Ground-State Proton Emitters in the Relativistic Hartree-Bogoliubov model

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• Vacuum polarization radiative correction to the parity violating electron scattering on heavy nuclei
• Measuring the surface thickness of the weak charge density of nuclei
• The full weak charge density distribution of 48Ca from parity violating electron scattering
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• Scalar ground-state observables in the random phase approximation