Volume 256 -
34th annual International Symposium on Lattice Field Theory
(LATTICE2016) -
Standard Model Parameters and Renormalization
Non perturbative renormalization of flavor singlet quark bilinear operators in lattice QCD
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Pre-published on:
February 14, 2017
Published on:
March 24, 2017
Abstract
We report on our studies of the renormalization of flavor singlet quark bilinear operators in lattice QCD. The renormalization constants are determined non-perturbatively using gauge field ensembles with Nf=2 dynamical clover improved fermions. The renormalization is performed in the RI'-MOM scheme. The difference between flavor singlet and non-singlet quark bilinear operators is a disconnected contribution, which has to be evaluated by stochastic estimators. We compare our results for the running with perturbation theory.
DOI: https://doi.org/10.22323/1.256.0187
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Copyright owned by the author(s) under the term of the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.
Copyright owned by the author(s) under the term of the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.