English

Exotic meson-meson molecules and compact four--quark states

High Energy Physics - Phenomenology 2009-11-06 v1

Abstract

We present an exact calculation of SS and PP wave QQnˉnˉQQ\bar n\bar n states using different standard nonrelativistic quark--quark potentials. We explore in detail the charm and bottom sectors looking for bound states that could be measured within existing facilities. Against the proliferation of four--quark states sometimes predicted in the literature, we found a small number of candidates to be stable. We analyze their properties in a trial to distinguish between compact and molecular states. Possible decay modes are discussed.

Keywords

Cite

@article{arxiv.0903.2949,
  title  = {Exotic meson-meson molecules and compact four--quark states},
  author = {J. Vijande and A. Valcarce and N. Barnea},
  journal= {arXiv preprint arXiv:0903.2949},
  year   = {2009}
}
R2 v1 2026-06-21T12:41:30.507Z