Applications of gauge fixed correlation functions of quarks and gluons
Oct, 1990
5 pages
Published in:
- Nucl.Phys.B Proc.Suppl. 20 (1991) 410-416
Contribution to:
Report number:
- NSF-ITP-90-214,
- BNL-45575
Citations per year
Abstract: (Elsevier)
Two uses of fixed gauge correlation functions involving quarks and gluons—as probes of effective quark and gluon parameters and their gauge dependence and as constraints for matching coefficients—are examined. Effective quark and gluon masses are found to decrease with increasing gauge parameter λ. A fixed gauge technique is used to determine s d matching coefficients. Despite gauge variance of effective quark masses, results of this matching—modulo statistics—are gauge invariant. Accordingly this technique is applied to the Delta I = 1 2 Rule. We are however unable to obtain physically useful results at present in this case because of large fluctuations.- talk
- fermion: lattice field theory
- gauge field theory: SU(3)
- quantum chromodynamics
- correlation function
- dependence: gauge
- quark: mass
- mass: quark
- gluon: mass
- mass: gluon
References(12)
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