Renormalisation of composite operators in lattice QCD: perturbative versus nonperturbative

Details Renormalisation of composite operators in lattice QCD: perturbative versus nonperturbative Renormalisation of composite operators in lattice QCD: perturbative versus nonperturbative

2010-10-07

arxiv.org/abs/1010.1360v1

PoS Lattice2010:228,2010

Physics

High Energy Physics

High Energy Physics - Lattice

7 pages, 4 figures, talk given at the XXVIII International Symposium on Lattice Field Theory (Lattice 2010), June 14-19 2010,

Scientific paper

The perturbative and nonperturbative renormalisation of quark-antiquark operators in lattice QCD with two flavours of clover fermions is investigated within the research programme of the QCDSF collaboration. Operators with up to three derivatives are considered. The nonperturbative results based on the RI-MOM scheme are compared with estimates from one- and two-loop lattice perturbation theory.

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