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Non-perturbative renormalization of flavor singlet quark bilinear operators in lattice QCD
- Source :
- PoS(LATTICE2016)187
- Publication Year :
- 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.<br />Comment: 7 pages, 7 figures, Proceedings of the 34th annual International Symposium on Lattice Field Theory, 24-30 July 2016, University of Southampton, UK
- Subjects :
- High Energy Physics - Lattice
Subjects
Details
- Database :
- arXiv
- Journal :
- PoS(LATTICE2016)187
- Publication Type :
- Report
- Accession number :
- edsarx.1703.03745
- Document Type :
- Working Paper