Physics – Nuclear Physics – Nuclear Theory
Scientific paper
2009-05-14
Phys.Rev.C81:014309,2010
Physics
Nuclear Physics
Nuclear Theory
20 pages, 19 figures
Scientific paper
10.1103/PhysRevC.81.014309
Time-odd mean fields (nuclear magnetism) are analyzed in the framework of covariant density functional theory (CDFT). It is shown that they always provide additional binding to the binding energies of odd-mass nuclei. This additional binding only weakly depends on the RMF parametrization reflecting good localization of the properties of time-odd mean fields in CDFT. The underlying microscopic mechanism is discussed in detail. Time-odd mean fields affect odd-even mass differences. However, our analysis suggests that the modifications of the strength of pairing correlations required to compensate for their effects are modest. In contrast, time-odd mean fields have profound effect on the properties of odd-proton nuclei in the vicinity of proton-drip line. Their presence can modify the half-lives of proton-emitters (by many orders of magnitude in light nuclei) and affect considerably the possibilities of their experimental observation.
Abusara H.
Afanasjev A. V.
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