Astronomy and Astrophysics – Astrophysics
Scientific paper
Sep 1987
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987ode..symp.....h&link_type=abstract
Presented at the Symposium on the Origin and Distribution of Elements, New Orleans, La., 31 Aug. 1987
Astronomy and Astrophysics
Astrophysics
Fission, Heavy Elements, Isotopic Enrichment, Neutrons, Nuclear Astrophysics, Nuclear Models, Nuclear Structure, Astrophysics, Surface Energy, Uranium Isotopes, Yukawa Potential
Scientific paper
Recent developments in nuclear-structure calculations used to calculate the nuclear properties of neutron-rich heavy elements can have a dramatic effect on astrophysical r-process calculations. In particular, in the context of the macroscopic-microscopic method, studies of the effect of the finite range of the nuclear force on the surface energy, the shape dependence of the Wigner term, new shape degrees of freedom near scission, and improved single particle potentials for neutron-rich heavy elements have led to improved calculations of the properties of heavy elements. We will discuss preliminary applications of these new models to nuclei of interest in the astrophysical r-process and the implications for nuclear cosmochronology and the existence of superheavy elements in nature.
Howard Michael W.
Mathews Grant J.
Meyer Bradley S.
Moeller Peter
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