Confinement and parity doubling in heavy-light mesons
Journal Article
·
· Physical Review. D, Particles Fields
- Institute of Theoretical and Experimental Physics, 117218, B. Cheremushkinskaya 25, Moscow (Russian Federation)
In this paper, we study the chiral symmetry restoration in the hadronic spectrum in the framework of generalized Nambu-Jona-Lasinio quark models with instantaneous confining quark kernels. We investigate a heavy-light quarkonium and derive its bound-state equation in the form of a Schroedinger-like equation and, after the exact inverse Foldy-Wouthuysen transformation, in the form of a Diraclike equation. We discuss the Lorentz nature of confinement for such a system and demonstrate explicitly the effective chiral symmetry restoration for highly excited states in the mesonic spectrum. We give an estimate for the scale of this restoration.
- OSTI ID:
- 20711228
- Journal Information:
- Physical Review. D, Particles Fields, Journal Name: Physical Review. D, Particles Fields Journal Issue: 3 Vol. 72; ISSN PRVDAQ; ISSN 0556-2821
- Country of Publication:
- United States
- Language:
- English
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