Nuclear symmetry energy and neutron skin thickness

Details Nuclear symmetry energy and neutron skin thickness Nuclear symmetry energy and neutron skin thickness

2012-02-21

arxiv.org/abs/1202.4612v1

Acta Physica Polonica B Vol. 43, No. 2, February 2012, page 209

Physics

Nuclear Physics

Nuclear Theory

12 pages, 5 figures, Presented at XXXII Mazurian Lakes Conference on Physics, Piaski, Poland, September 11-18, 2011

Scientific paper

10.5506/APhysPolB.43.209

The relation between the slope of the nuclear symmetry energy at saturation density and the neutron skin thickness is investigated. Constraints on the slope of the symmetry energy are deduced from the neutron skin data obtained in experiments with antiprotonic atoms. Two types of neutron skin are distinguished: the "surface" and the "bulk". A combination of both types forms neutron skin in most of nuclei. A prescription to calculate neutron skin thickness and the slope of symmetry energy parameter $L$ from the parity violating asymmetry measured in the PREX experiment is proposed.

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