Non-perturbative renormalization of vector and axial vector currents in quenched QCD for a renormalization group improved gauge action
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Renormalization constants of vector (Zv) and axial-vector (ZA) currents are determined non-perturbatively in quenched QCD for an RG-improved gauge action and a tadpole-improved clover quark action using the Schrödinger functional method. Meson decay constants p and fπ show much better scaling when Zv and ZpA estimated for infinite physical volume are used instead of Z-factors from tadpole-improved one-loop perturbation theory.
- Elsevier Science B.V.の論文
- 2004-00-00
Elsevier Science B.V. | 論文
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