Speaker
Description
Chiral effective field theory ($\chi$EFT) promises a link between the underlying theory of the strong nuclear force --- quantum chromodynamics (QCD) --- and nuclear forces. The $\chi$EFT of low energy nuclear physics is formally parameterized by an infinite number of interaction diagrams, with accompanying undetermined interaction strengths called low-energy constants. To get a predictive theory at each order in the $\chi$EFT a power-counting procedure must be established. A sound power-counting procedure is also necessary for ensuring RG invariant predictions. I will present preliminary results from a Bayesian analysis of an RG invariant formulation of $\chi$EFT at leading order. This talk will try to illuminate the strengths and challenges of the ab initio $\chi$EFT approach to nuclear forces and how it can be used to increase our knowledge about the physics of nuclear systems.
