Spin-orbit and orbit-orbit strengths for the radioactive neutron-rich doubly magic nucleus Sn132 in relativistic mean-field theory

Liang H. ; Zhao P. ; Li L. ; Meng J. (2011)


Relativistic mean-field (RMF) theory is applied to investigate the properties of the radioactive neutron-rich doubly magic nucleus Sn132 and the corresponding isotopes and isotones. The two-neutron and two-proton separation energies are well reproduced by the RMF theory. In particular, the RMF results agree with the experimental single-particle spectrum in Sn132 as well as the Nilsson spin-orbit parameter C and orbit-orbit parameter D thus extracted, but remarkably differ from the traditional Nilsson parameters. Furthermore, the present results provide a guideline for the isospin dependence of the Nilsson parameters. © 2011 The American Physical Society.

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