Journal
PHYSICAL REVIEW LETTERS
Volume 111, Issue 16, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.111.162501
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Funding
- U.S. Department of Energy [DE-FD05-92ER40750]
- National Aeronautics and Space Administration through the Science Mission Directorate [NNX11AC41G]
- National Science Foundation [PHY-1068022]
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The Lead Radius Experiment has provided the first model-independent evidence in favor of a neutron-rich skin in Pb-208. Although the error bars are large, the reported large central value of 0.33 fm is particularly intriguing. To test whether such a thick neutron skin in Pb-208 is already incompatible with laboratory experiments or astrophysical observations, we employ relativistic models with neutron-skin thickness in Pb-208 ranging from 0.16 to 0.33 fm to compute ground-state properties of finite nuclei, their collective monopole and dipole response, and mass-versus-radius relations for neutron stars. No compelling reason was found to rule out models with large neutron skins in Pb-208 from the set of observables considered in this Letter.
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