QCD with dynamical Wilson fermions
Conference
·
OSTI ID:6437766
- Los Alamos National Lab., NM (USA) California Univ., Santa Barbara, CA (USA). Inst. for Theoretical Physics
Results for the spectrum and the F and D parameters are obtained with precision similar to that in the quenched approximation. Present data for m{sub q} {ge} m{sub s} show measurable effects due to vacuum polarization only in the pion-Nucleon {Sigma} term suggesting that {Sigma}{sup sea} {approximately} {Sigma}{sup val}. The lattice update is being done on the Connection Machine which is very well suited to simulate QCD with 2 flavors of Wilson fermions (with mass close to the strange quark) using HMCA on 16{sup 3} {times} 32 lattices. 7 refs., 3 figs., 5 tabs.
- Research Organization:
- Los Alamos National Lab., NM (USA)
- Sponsoring Organization:
- DOE/ER
- DOE Contract Number:
- W-7405-ENG-36
- OSTI ID:
- 6437766
- Report Number(s):
- LA-UR-90-4351; CONF-901072--2; ON: DE91005750
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
645200* -- High Energy Physics-- Particle Interactions & Properties-Theoretical
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
ALGEBRAIC CURRENTS
AXIAL-VECTOR CURRENTS
BARYONS
CURRENTS
ELEMENTARY PARTICLES
FERMIONS
FIELD THEORIES
HADRON-HADRON INTERACTIONS
HADRONS
INTERACTIONS
MATRIX ELEMENTS
MESON-BARYON INTERACTIONS
MESON-NUCLEON INTERACTIONS
MONTE CARLO METHOD
NUCLEONS
PARTICLE INTERACTIONS
PION-NUCLEON INTERACTIONS
POSTULATED PARTICLES
PROTONS
QUANTUM CHROMODYNAMICS
QUANTUM FIELD THEORY
QUARKS
SYMMETRY BREAKING
WILSON LOOP
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
ALGEBRAIC CURRENTS
AXIAL-VECTOR CURRENTS
BARYONS
CURRENTS
ELEMENTARY PARTICLES
FERMIONS
FIELD THEORIES
HADRON-HADRON INTERACTIONS
HADRONS
INTERACTIONS
MATRIX ELEMENTS
MESON-BARYON INTERACTIONS
MESON-NUCLEON INTERACTIONS
MONTE CARLO METHOD
NUCLEONS
PARTICLE INTERACTIONS
PION-NUCLEON INTERACTIONS
POSTULATED PARTICLES
PROTONS
QUANTUM CHROMODYNAMICS
QUANTUM FIELD THEORY
QUARKS
SYMMETRY BREAKING
WILSON LOOP