A possible subthreshold pole in S11 channel from πN Roy-Steiner equation analyses

The hyperbolic version of Roy-Steiner equation describing low energy πN scatterings, with larger analyticity domain in the complex s plane is solved. The numerical results on phase shifts of low partial waves are in agreement with that of Hoferichter et al. [Phys. Rept.625 (2016) 1]. A subthreshold pole in S11 channel is found located at s\documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$$ \sqrt{s} $$\end{document} = (918 ± 3) − i(163 ± 9) MeV.

• Publication year

  2022

• Venue

  Journal of High Energy Physics

• Publication date

  2022-07-20

• Fields of study

  Physics

• Identifiers
  DOI 10.1007/JHEP12(2022)073arXiv 2207.09743
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  Open on Semantic Scholar

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  Semantic Scholar

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• No concepts are published for this paper.

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