Update of the phase-shift analysis of the low-energy $\pi N$ data

TL;DR

This paper provides an updated phase-shift analysis of low-energy pion-nucleon scattering data (T ≤ 100 MeV), offering refined insights into pion-nucleon interactions at low energies.

Contribution

It introduces a new solution, ZRH20, updating previous phase-shift analyses with recent low-energy pion-nucleon data.

Findings

Refined phase-shift parameters for T ≤ 100 MeV

Improved understanding of low-energy pion-nucleon interactions

Updated analysis methodology for low-energy scattering data

Abstract

This paper presents the results of an updated phase-shift analysis of the low-energy (pion laboratory kinetic energy $T \leq 100$ MeV) pion-nucleon data; this solution will be referred to as `ZRH20'.