Chiral perturbation theory for lattice QCD with a twisted mass term

Quantum chromodynamics on a lattice with Wilson fermions and a chirally twisted mass term for two degenerate quark flavours is considered in the framework of chiral perturbation theory. The pion mass and decay constant are calculated in next-to-leading order including terms linear in the lattice spa...

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Veröffentlicht in:	Europhysics letters 2004-06, Vol.66 (5), p.652-656
Hauptverfasser:	Münster, G, Schmidt, C
Format:	Artikel
Sprache:	eng
Schlagworte:	11.15.Ha 12.38.Gc 12.39.Fe
Online-Zugang:	Volltext
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Beschreibung
Zusammenfassung:	Quantum chromodynamics on a lattice with Wilson fermions and a chirally twisted mass term for two degenerate quark flavours is considered in the framework of chiral perturbation theory. The pion mass and decay constant are calculated in next-to-leading order including terms linear in the lattice spacing a.
ISSN:	0295-5075 1286-4854
DOI:	10.1209/epl/i2003-10251-7