How good are the Garvey-Kelson predictions of nuclear masses?

Details How good are the Garvey-Kelson predictions of nuclear masses? How good are the Garvey-Kelson predictions of nuclear masses?

Publishing date

2009-04-02

URL

arxiv.org/abs/0904.0419v1

Journals

Nucl.Phys.A828:113-124,2009

Science

Physics

Field

Nuclear Physics

SubField

Nuclear Theory

Additional info

10 pages, 18 figures

Type

Scientific paper

Digital Object Identifier

10.1016/j.nuclphysa.2009.07.001

Abstract

The Garvey-Kelson relations are used in an iterative process to predict nuclear masses in the neighborhood of nuclei with measured masses. Average errors in the predicted masses for the first three iteration shells are smaller than those obtained with the best nuclear mass models. Their quality is comparable with the Audi-Wapstra extrapolations, offering a simple and reproducible procedure for short range mass predictions. A systematic study of the way the error grows as a function of the iteration and the distance to the known masses region, shows that a correlation exists between the error and the residual neutron-proton interaction, produced mainly by the implicit assumption that $V_{np}$ varies smoothly along the nuclear landscape.

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