The Smoothness of Physical Observables

Details The Smoothness of Physical Observables The Smoothness of Physical Observables

2009-05-13

arxiv.org/abs/0905.2129v2

Physics

Nuclear Physics

Nuclear Theory

4 pages and 1 figure; typos corrected in Eqs. (2),(4), and (5)

Scientific paper

The Garvey-Kelson (GK) relations are powerful algebraic expressions connecting the masses of neighboring atomic nuclei and derived under reasonable physical assumptions. In this contribution we show that these relations are even more general than originally assumed as their validity is conditioned by the smoothness of the underlying nuclear mass function and nothing else. Based on the assumed smoothness of the underlying physical function, the main conclusions from this study are: (1) the GK relations are model independent; (2) any slowly-varying physical observable satisfies the GK relations; and (3) the accuracy of the GK relations may be systematically improved. Examples from nuclear physics (charge radii) and from particle physics (baryon masses) are used to illustrate the flexibility of the approach.

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