Anomaly in the charge radii of Pb isotopes

Details Anomaly in the charge radii of Pb isotopes Anomaly in the charge radii of Pb isotopes

1993-10-11

arxiv.org/abs/nucl-th/9310009v1

Phys.Lett. B317 (1993) 9-13

Physics

Nuclear Physics

Nuclear Theory

10 pages (Latex) and 3 figures (avilable upon request); Phys. Lett. B (in print), TUM-ITP-SH93/2

Scientific paper

10.1016/0370-2693(93)91561-Z

The anomalous behaviour of the charge radii of the isotopic chain of Pb nuclei has been studied 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 $^{208}$Pb. This contrasts strongly from the Skyrme mean field, where almost all the known and realistic forces fail to reproduce the observed trend in the empirical data on the charge radii. The results have been discussed in the perspective of differences in the ans\"atze of the relativistic and the Skyrme mean-field theories.

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