2020/09/10 by Gang Yang, Jialun Ping, Jorge Segovia · 3 citations
Physics and Astronomy · #hep-ph #hep-ex
paper · pdf · doi:10.3390/sym12111869
published as Symmetry 2020, 12(11), 1869 · Invited review paper to be submitted to Symmetry Journal, special issue "Advances in Chiral Quark Models". 92 pages, 30 figures, 66 tables
arxiv created 2020/09/10 · arxiv updated 2020/11/17
With the development of high energy physics experiments, a large amount of exotic states in the hadronic sector have been observed. In order to shed some insights on the nature of the tetraquark and pentaquark candidates, a constituent quark model, along with the gaussian expansion method, has been employed systematically in the real- and complex-range investigations. We review herein the double- and full-heavy tetraquarks, but also the hidden-charm, -bottom and doubly charmed pentaquarks. Several experimentally observed exotic hadrons are well reproduced within our approach; moreover, their possible compositeness are suggested and other properties analyzed accordingly such as their decay widths and general patterns in the spectrum. Besides, we report also some predictions not yet seen by experiment within the studied tetraquark and pentaquark sectors.