Quark mass renormalization with non-exceptional momenta

Yasumichi Aoki

Quark mass renormalization with non-exceptional momenta

High Energy Physics - Lattice 2019-08-14 v1

Authors: Yasumichi Aoki

Abstract

Renormalization conditions imposed on quark bilinear vertex functions in the conventional RI/MOM scheme use exceptional momentum configurations. With practical values for the lattice cutoff, these vertex functions are contaminated with unwanted low energy physics (pion pole, zero modes, etc), which is a large source of systematic error. These effects can be reduced by using non-exceptional momenta. We discuss the quark mass renormalization with non-exceptional momenta using 2+1 flavor domain wall fermions based on a recently proposed RI/SMOM scheme.

Keywords

non-perturbative renormalization in lattice qcd renormalization in quantum field theory

Cite

@article{arxiv.0901.2595,
  title  = {Quark mass renormalization with non-exceptional momenta},
  author = {Yasumichi Aoki},
  journal= {arXiv preprint arXiv:0901.2595},
  year   = {2019}
}

Comments

7 pages, 3 figures, Talk given at 26th International Symposium on Lattice Field Theory (Lattice 2008), Williamsburg, Virginia, 14-20 Jul 2008

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