DEPENDENCE OF THE CURRENT RENORMALISATION CONSTANTS ON THE QUARK MASS

M. Crisafulli; V. Lubicz; G. Martinelli; A. Vladikas

doi:10.1016/0920-5632(95)00262-8

DEPENDENCE OF THE CURRENT RENORMALISATION CONSTANTS ON THE QUARK MASS

High Energy Physics - Lattice 2010-11-01 v1

Authors: M. Crisafulli , V. Lubicz , G. Martinelli , A. Vladikas

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Abstract

We study the behaviour of the vector and axial current renormalisation constants $Z_V$ and $Z_A$ as a function of the quark mass, $m_q$ . We show that sizeable $O(am_q)$ and $O(g_0^2 a m_q)$ systematic effects are present in the Wilson and Clover cases respectively. We find that the prescription of Kronfeld, Lepage and Mackenzie for correcting these artefacts is not always successful.

Keywords

current renormalization constant quark mass Wilson action Clover action lattice QCD systematic effects

Cite

@article{arxiv.hep-lat/9502012,
  title  = {DEPENDENCE OF THE CURRENT RENORMALISATION CONSTANTS ON THE QUARK MASS},
  author = {M. Crisafulli and V. Lubicz and G. Martinelli and A. Vladikas},
  journal= {arXiv preprint arXiv:hep-lat/9502012},
  year   = {2010}
}

Comments

Contribution to Lattice'94, 3 pages PostScript, uuencoded compressed.

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