Garvey-Kelson Relations for Nuclear Charge Radii

Details Garvey-Kelson Relations for Nuclear Charge Radii Garvey-Kelson Relations for Nuclear Charge Radii

2009-12-02

arxiv.org/abs/0912.0503v1

Eur.Phys.J.A46:379-386,2010

Physics

Nuclear Physics

Nuclear Theory

4 pages and 3 figures

Scientific paper

10.1140/epja/i2010-11051-8

The Garvey-Kelson relations (GKRs) are algebraic expressions originally developed to predict nuclear masses. In this letter we show that the GKRs provide a fruitful framework for the prediction of other physical observables that also display a slowly-varying dynamics. Based on this concept, we extend the GKRs to the study of nuclear charge radii. The GKRs are tested on 455 out of the approximately 800 nuclei whose charge radius is experimentally known. We find a rms deviation between the GK predictions and the experimental values of only 0.01 fm. This should be contrasted against some of the most successful microscopic models that yield rms deviations almost three times as large. Predictions - with reliable uncertainties - are provided for 116 nuclei whose charge radius is presently unknown.

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