Nuclear mass predictions with radial basis function approach

Details Nuclear mass predictions with radial basis function approach Nuclear mass predictions with radial basis function approach

2011-11-02

arxiv.org/abs/1111.0354v1

Phys.Rev.C84:051303(R),2011

Physics

Nuclear Physics

Nuclear Theory

4 figures, 4 tables; accepted for publication as a Rapid Communication in Physical Review C

Scientific paper

10.1103/PhysRevC.84.051303

With the help of radial basis function (RBF) and the Garvey-Kelson relation, the accuracy and predictive power of some global nuclear mass models are significantly improved. The rms deviation between predictions from four models and 2149 known masses falls to about 200 keV. The AME95-03 and AME03-Border tests show that the RBF approach is a very useful tool for further improving the reliability of mass models. Simultaneously, the differences from different model predictions for unknown masses are remarkably reduced and the isospin symmetry is better represented when the RBF extrapolation is combined.

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