English

Gluons in the $\eta'$ and in nucleon resonances

High Energy Physics - Phenomenology 2025-05-13 v2 Nuclear Theory

Abstract

We discuss the role of gluon dynamics in η\eta' physics and in nucleon resonances where excitations of gluonic potentials may also be important. Interesting phenomenology includes a possible narrow near threshold resonance in η\eta' photoproduction and whether the parity doublets observed in the higher mass nucleon resonance spectrum might be hinting at a possible second minimum in the confinement potential corresponding to supercritical confinement.

Keywords

Cite

@article{arxiv.2411.16597,
  title  = {Gluons in the $\eta'$ and in nucleon resonances},
  author = {Steven D. Bass},
  journal= {arXiv preprint arXiv:2411.16597},
  year   = {2025}
}

Comments

10 pages, Presented at the Workshop at 1 GeV scale: from mesons to axions, Krakow, September 19-20 2024