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Quark mass renormalization with non-exceptional momenta · Around

2009

Quark mass renormalization with non-exceptional momenta

Aoki, Yasumichi

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Understand

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.

Built on

S. Weinberg, High-energy behavior in quantum field theory
1960
Earlier work this paper cites.
G. Martinelli et. al
1995
Earlier work this paper cites.
K. G. Chetyrkin and A. Retey, Renormalization and running of quark mass and field in the regularization invariant and ms-bar schemes at three and four loops
2000
Earlier work this paper cites.

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Then

Y. Aoki et. al
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2008
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