English

Strange pentaquarks and excited $\Xi$ hyperons in $\Xi_b^- \to J/\psi \Lambda K^-$ final states

High Energy Physics - Phenomenology 2021-05-03 v1 High Energy Physics - Experiment

Abstract

We comment on the recent evidence by the LHCb Collaboration for a structure in the J/ψΛJ/\psi \Lambda final state produced in the decay ΞbJ/ψΛK\Xi^-_b \to J/\psi \Lambda K^-, with minimal quark content ccˉudsc \bar c u d s.

Keywords

Cite

@article{arxiv.2104.15077,
  title  = {Strange pentaquarks and excited $\Xi$ hyperons in $\Xi_b^- \to J/\psi \Lambda K^-$ final states},
  author = {Marek Karliner and Jonathan L. Rosner},
  journal= {arXiv preprint arXiv:2104.15077},
  year   = {2021}
}

Comments

To appear in Science Bulletin (2021)