Hadronic parity violation in effective field theory

TL;DR

This paper discusses the use of effective field theories, especially pionless theory, to analyze hadronic parity violation in few-nucleon systems, highlighting advantages over traditional models and exploring three-nucleon interactions.

Contribution

It introduces effective field theory methods for hadronic parity violation, emphasizing model independence and error estimation, and examines three-nucleon interactions.

Findings

Effective field theories offer advantages over meson-exchange models.

Calculations of two- and three-nucleon observables are presented.

The role of parity-violating three-nucleon interactions is analyzed.

Abstract

The application of effective field theories to hadronic parity violation in two- and three-nucleon systems is described. These methods provide several important advantages over the traditionally used meson-exchange models, e.g., model independence and the possibility to reliably estimate theoretical errors. We focus on the so-called "pionless" theory and describe calculations of various two- and three-nucleon observables. The role of parity-violating three-nucleon interactions is also discussed.