Macroscopic-Microscopic Mass Models

Details Macroscopic-Microscopic Mass Models Macroscopic-Microscopic Mass Models

1995-07-10

arxiv.org/abs/nucl-th/9507015v1

Physics

Nuclear Physics

Nuclear Theory

10 pages. LaTeX. Presented at International Conference on Exotic Nuclei and Atomic Masses (ENAM 95), Arles, France, June 19-23

Scientific paper

We discuss recent developments in macroscopic-microscopic mass models, including the 1992 finite-range droplet model, the 1992 extended-Thomas-Fermi Strutinsky-integral model, and the 1994 Thomas-Fermi model, with particular emphasis on how well they extrapolate to new regions of nuclei. We also address what recent developments in macroscopic-microscopic mass models are teaching us about such physically relevant issues as the nuclear curvature energy, a new congruence energy arising from a greater-than-average overlap of neutron and proton wave functions, the nuclear incompressibility coefficient, and the Coulomb redistribution energy arising from a central density depression. We conclude with a brief discussion of the recently discovered rock of metastable superheavy nuclei near 272:110 that had been correctly predicted by macroscopic-microscopic models, along with a possible new tack for reaching an island near 290:110 beyond our present horizon.

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