NPR determination of quark masses from the HISQ action
Andrew T. Lytle (for the HPQCD Collaboration)
TL;DR
This paper presents a non-perturbative renormalization approach to determine quark masses using HISQ ensembles, comparing RI/MOM and RI/SMOM schemes for improved accuracy.
Contribution
It introduces a non-perturbative method for calculating bilinear Z-factors for quark mass determination with HISQ action, providing an independent cross-check.
Findings
Comparison of RI/MOM and RI/SMOM schemes
Calculation of Z-factors for n_f=2+1+1 ensembles
Enhanced accuracy in quark mass determination
Abstract
I report on a calculation of bilinear Z-factors needed for determining Z_m using non-perturbative renormalization (NPR) on n_f=2+1+1 HISQ ensembles. RI/MOM and RI/SMOM schemes are studied. These will provide an independent determination of quark masses in addition to other methods being used by the HPQCD collaboration.
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