Electric dipole polarizability of neutron rich nuclei

Abstract

Insights into the equation of state of neutron rich matter obtained from the neutron skin thickness of 208Pb are in sharp conflict with earlier measurements of the electric dipole polarizability. We use a set of accurately calibrated energy density functionals to highlight the tension and to articulate how plans for a highly-intense Gamma Factory may alleviate the tension.

Comments: 11 pages and 3 figures. Submitted to Annals of Physics as a contribution to the Special Issue on Physics Opportunities with the Gamma Factory