Numerical simulations with two flavours of twisted-mass Wilson quarks and DBW2 gauge action

Discretisation errors in two-flavour lattice QCD with Wilson quarks and DBW2 gauge action are investigated by comparing numerical simulation data at two values of the bare gauge coupling. Both non-zero- and zero-twisted-mass values are considered. The results, including also data from simulations us...

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Veröffentlicht in:The European physical journal. C, Particles and fields Particles and fields, 2006-08, Vol.47 (2), p.453-472
Hauptverfasser: Farchioni, F., Hofmann, P., Jansen, K., Montvay, I., Münster, G., Scholz, E.E., Scorzato, L., Shindler, A., Ukita, N., Urbach, C., Wenger, U., Wetzorke, I.
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container_end_page 472
container_issue 2
container_start_page 453
container_title The European physical journal. C, Particles and fields
container_volume 47
creator Farchioni, F.
Hofmann, P.
Jansen, K.
Montvay, I.
Münster, G.
Scholz, E.E.
Scorzato, L.
Shindler, A.
Ukita, N.
Urbach, C.
Wenger, U.
Wetzorke, I.
description Discretisation errors in two-flavour lattice QCD with Wilson quarks and DBW2 gauge action are investigated by comparing numerical simulation data at two values of the bare gauge coupling. Both non-zero- and zero-twisted-mass values are considered. The results, including also data from simulations using the Wilson plaquette gauge action, are compared to next-to-leading order chiral perturbation theory formulas.
doi_str_mv 10.1140/epjc/s2006-02549-y
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subjects Chiral dynamics
Computer simulation
Flavor (particle physics)
Perturbation methods
Perturbation theory
Quantum chromodynamics
Quarks
Simulation
title Numerical simulations with two flavours of twisted-mass Wilson quarks and DBW2 gauge action
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