Holographic stability for non-q q ¯ candidates
Abstract
In the context of bottom-up AdS/QCD models, we discuss how the configurational entropy can describe heavy non-q q ¯ states. Using the nonquadratic softwall model, introduced to describe nonlinear Regge trajectories, we parametrize different multiquark and exotic meson structures to describe Zc, ψ , and Zb states as non-q q ¯ hadrons in terms of stability. We found that Zc is better described as a hybrid meson with one gluon tube, ψ as hadrocharmonium, and Zb as hadronic molecule.
- Publication:
-
Physical Review D
- Pub Date:
- December 2023
- DOI:
- 10.1103/PhysRevD.108.126024
- arXiv:
- arXiv:2309.02905
- Bibcode:
- 2023PhRvD.108l6024M
- Keywords:
-
- High Energy Physics - Phenomenology;
- High Energy Physics - Theory
- E-Print:
- 10 pages, 1 figure, 3 tables