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Singlet vs Nonsinglet Perturbative Renormalization of Fermion Bilinears

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arxiv 1610.06744 v2 pith:3DRBBM4X submitted 2016-10-21 hep-lat

M. Constantinou (1 , 2) , M. Hadjiantonis (1 , 3) , H. Panagopoulos (1) , G. Spanoudes (1) ((1) Univ. of Cyprus , (2) Temple Univ. , (3) Univ. of Michigan) This is my paper · ORCID
classification hep-lat
keywords latticebilinearfermionsnonsingletoperatorsperturbativerenormalizationsinglet
verification ladder T0 review T1 audit T2 compute T3 formal
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In this paper we present the perturbative evaluation of the difference between the renormalization functions of flavor singlet and nonsinglet bilinear quark operators on the lattice. The computation is performed to two loops and to lowest order in the lattice spacing, for a class of improved lattice actions, including Wilson, tree-level (TL) Symanzik and Iwasaki gluons, twisted mass and SLiNC Wilson fermions, as well as staggered fermions with twice stout-smeared links. In the staggered formalism, the stout smearing procedure is also applied to the definition of bilinear operators.

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Cited by 2 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Lattice QCD Study of Anomalous Transport Phenomena in Strongly Interacting Matter

    hep-lat 2025-09 conditional novelty 8.0 of 10

    First physical-point lattice QCD calculation of the Chiral Separation Effect conductivity, a zero equilibrium Chiral Magnetic Effect with conserved currents, and a localized equilibrium CME in inhomogeneous fields.

  2. Nucleon charges and $\sigma$-terms in lattice QCD

    hep-lat 2024-12 conditional novelty 5.0 of 10

    First-principles lattice QCD at the physical pion mass yields nucleon charges and sigma-terms in the continuum limit, with g_A^{u-d}=1.250(24) matching experiment.

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