Introduction to lattice gaugefixing and effective quark and gluon masses

Conference · Thu Oct 01 00:00:00 EDT 1992

OSTI ID:10185452

Bernard, C ^[1]; Soni, A; Yee, K ^[2]

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1. Washington Univ., St. Louis, MO (United States). Dept. of Physics
2. Brookhaven National Lab., Upton, NY (United States)

We report on the status of quark and gluon propagators in quenched, gaugefixed lattice QCD. In Landau gauge we find that the effective quark mass in the chiral limit is M{sub q} {approximately} 350(40)MeV. Quark and gluon propagators, the slope of the quark dispersion relation, and effective masses all appear to depend on gauge. A link-chain picture of lattice gaugefixing in the color N {yields} {infinity} and strong coupling limit, where the system becomes almost solvable, supports the gauge variance of these numerical results.

• Research Organization: Brookhaven National Lab., Upton, NY (United States)
• Sponsoring Organization: USDOE, Washington, DC (United States)
• DOE Contract Number: AC02-76CH00016; FG05-91ER40617; FG02-91ER40628
• OSTI ID: 10185452
• Report Number(s): BNL-47932; CONF-9206280-2; ON: DE93001433; IN: LSUHEP002-1992
• Resource Relation: Conference: Workshop on QCD vacuum structure and its applications,Paris (France),1-5 Jun 1992; Other Information: PBD: [1992]
• Country of Publication: United States
• Language: English

Related Subjects

72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
GLUONS
EFFECTIVE MASS
QUARKS
QUARK MATTER
QUANTUM CHROMODYNAMICS
DISPERSION RELATIONS
LATTICE FIELD THEORY
662440
662230
PROPERTIES OF OTHER PARTICLES INCLUDING HYPOTHETICAL PARTICLES