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Nonperturbative treatment of heavy quarks and mesons

Citation

Burden, CJ and Liu, DS, Nonperturbative treatment of heavy quarks and mesons, Physical Review D, 55, (1) pp. 367-376. ISSN 0556-2821 (1997) [Refereed Article]

DOI: doi:10.1103/PhysRevD.55.367

Abstract

A formalism for studying heavy quarks in terms of model Dyson-Schwinger equations is developed. The formalism is the natural extension of a technique which has proved successful in a number of studies of light hadron physics. The dressed heavy quark propagator, calculated to leading order in the inverse quark mass, is incorporated in a treatment of mesons consisting of a heavy quark and light antiquark via the ladder approximation Bethe-Salpeter equation. In the limit of infinite heavy quark mass the model is found to respect the spectrum degeneracies present in heavy quark effective theory. An exploratory numerical analysis of a simple form of the model is carried out to assess its viability for studying D and B mesons.

Item Details

Item Type:Refereed Article
Research Division:Physical Sciences
Research Group:Other Physical Sciences
Research Field:Physical Sciences not elsewhere classified
Objective Division:Expanding Knowledge
Objective Group:Expanding Knowledge
Objective Field:Expanding Knowledge in the Physical Sciences
Author:Liu, DS (Dr Dongsheng Liu)
ID Code:10172
Year Published:1997
Web of Science® Times Cited:24
Deposited By:Physics
Deposited On:1997-08-01
Last Modified:2011-08-11
Downloads:0

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