Theoretical approaches to low energy $\bar{K}N$ interactions

TL;DR

This paper compares different theoretical models based on SU(3) chiral dynamics to understand low energy antikaon-nucleon interactions, analyzing their predictions for scattering amplitudes and resonance poles.

Contribution

It offers a direct comparison of modern chiral dynamics models for low energy ar;K N interactions, highlighting differences in their predictions and pole structures.

Findings

Models show varying predictions for ar;K N scattering amplitudes.

Differences in pole content among models are identified.

Comparison clarifies the strengths and limitations of current theoretical approaches.

Abstract

We provide a direct comparison of modern theoretical approaches based on the SU(3) chiral dynamics and describing the low energy $\bar{K}N$ data. The model predictions for the $\bar{K}N$ amplitudes and pole content of the models are discussed.