Volume 68, Number 5, December 2004
|Page(s)||639 - 644|
|Section||The physics of elementary particles and fields|
|Published online||29 October 2004|
Chiral perturbation theory for partially quenched twisted mass lattice QCD
Institut für Theoretische Physik, Universität Münster Wilhelm-Klemm-Str. 9, D-48149 Münster, Germany
2 Deutsches Elektronen-Synchrotron DESY Notkestr. 85, D-22603 Hamburg, Germany
Accepted: 6 October 2004
Partially quenched Quantum Chromodynamics with Wilson fermions on a lattice is considered in the framework of chiral perturbation theory in the mesonic sector. Two degenerate quark flavours are associated with a chirally twisted mass term. The pion masses and decay constants are calculated in next-to-leading order including terms linear in the lattice spacing a.
PACS: 11.15.Ha – Lattice gauge theory / 12.38.Gc – Lattice QCD calculations / 12.39.Fe – Chiral Lagrangians
© EDP Sciences, 2004
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