| Issue |
Europhys. Lett.
Volume 68, Number 5, December 2004
|
|
|---|---|---|
| Page(s) | 639 - 644 | |
| Section | The physics of elementary particles and fields | |
| DOI | https://doi.org/10.1209/epl/i2004-10255-9 | |
| Published online | 29 October 2004 | |
Chiral perturbation theory for partially quenched twisted mass lattice QCD
1
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
Corresponding authors: munsteg@uni-muenster.de sschmidt@uni-muenster.de enno.e.scholz@desy.de
Received:
11
February
2004
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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