Chiral perturbation theory for partially quenched twisted mass lattice QCD

Chiral perturbation theory for partially quenched twisted mass lattice QCD

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-t...

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Veröffentlicht in:Europhysics letters 2004-12, Vol.68 (5), p.639-644
Hauptverfasser: Münster, G, Schmidt, C, Scholz, E
Format: Artikel
Sprache:eng
Schlagworte:
11.15.Ha
12.38.Gc
12.39.Fe
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Beschreibung
Zusammenfassung: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.
ISSN:0295-5075
1286-4854
DOI:10.1209/epl/i2004-10255-9