A Bayesian approach to chiral extrapolations

Details A Bayesian approach to chiral extrapolations A Bayesian approach to chiral extrapolations

2009-09-21

arxiv.org/abs/0909.3865v1

Physics

Nuclear Physics

Nuclear Theory

7 pages, 1 figure, talk given at 6th International Workshop on Chiral Dynamics, Bern, Switzerland, July 6-10, 2009

Scientific paper

The determination of low-energy constants from data is an important component of most effective field theory programs, including that of chiral perturbation theory. We propose a novel method based on Bayesian probability theory which allows us to address several shortcomings of the standard approach to parameter extraction. Using a toy-model we argue that the Bayesian approach is ideally suited for the application in effective field theories. We also discuss the application to lattice QCD data.

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