PoS - Proceedings of Science
Volume 363 - 37th International Symposium on Lattice Field Theory (LATTICE2019) - Main session
Non-perturbative renormalization of O($a$) improved tensor currents
L. Chimirri, P. Fritzsch, J. Heitger, F. Joswig*, M. Panero, C. Pena, D. Preti  on behalf of the ALPHA collaboration
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Pre-published on: January 09, 2020
Published on: August 27, 2020
Abstract
We present our progress in the non-perturbative O(a) improvement and renormalization of tensor currents in three-flavor lattice QCD with Wilson-clover fermions and tree-level Symanzik improved gauge action. The mass-independent O(a) improvement factor of tensor currents is
determined via a Ward identity approach, and their renormalization group running is calculated via recursive finite-size scaling techniques, both implemented within the Schrödinger functional framework. We also address the matching factor between bare and renormalization group invariant currents for a range of lattice spacings < 0.1 fm, relevant for phenomenological large-volume lattice QCD applications.
DOI: https://doi.org/10.22323/1.363.0212
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