Anomalous Isotope Shifts in Pb Nuclei in RMF Theory
G. A. Lalazissis, M. M. Sharma, J. Koenig, P. Ring
Abstract
We have studied the anomalous behaviour of isotopic shifts of Pb nuclei in the relativistic mean field theory. It has been shown that the relativistic mean field provides an excellent description of the anomalous kink in the isotopic shifts about 208Pb. This is in contrast from density-dependent Skyrme forces which do not reproduce the observed trend in the empirical data on the charge radii. We discuss some differences in the description of isotope shifts in the RMF theory and the Skyrme mean field.
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