Dynamical Coupled-Channels Model Analysis of \pi-N Scattering and Electromagnetic Pion Production Reactions

TL;DR

This paper presents a coupled-channels model that accurately describes pion-nucleon scattering and provides preliminary insights into electromagnetic pion production, advancing understanding of nucleon interactions.

Contribution

It introduces a coupled-channels model that simultaneously fits pion-nucleon scattering data and pion photoproduction reactions, improving the theoretical description of these processes.

Findings

Accurate fit to $\pi N$ scattering data.

Preliminary successful description of $\pi$ photoproduction.

Demonstrates the model's capability to unify different reaction channels.

Abstract

The ability of the coupled-channels model (MSL) developed in recently in Ref. \cite{msl} to account simultaneously for the $\pi N$ scattering data and the $\pi$ photoproduction reactions on the nucleon is presented. An accurate description of $\pi N$ scattering has been obtained. A preliminary description of $\pi$ photoproduction is also discussed.