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Taste non-Goldstone pion decay constants in staggered chiral perturbation theory

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arxiv 1211.1106 v1 pith:GSF6MFR5 submitted 2012-11-06 hep-lat

Taste non-Goldstone pion decay constants in staggered chiral perturbation theory

classification hep-lat
keywords non-goldstonetastechiralconstantsdecayperturbationstaggeredgoldstone
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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We calculate the next-to-leading order axial current decay constants of taste non-Goldstone pions and kaons in staggered chiral perturbation theory. This is an extension of the taste Goldstone decay constants calculation to that of the non-Goldstone tastes. We present results for the partially quenched case in the SU(3) and SU(2) staggered chiral perturbation theories and discuss the difference between the taste Goldstone and non-Goldstone cases.

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