Renormalisation of composite operators in lattice QCD: perturbative versus nonperturbative
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(Published version)
Date
2010
Authors
Gockeler, M.
Horsley, R.
Nakamura, Y.
Perlt, H.
Pleiter, D.
Rakow, P.
Schafer, A.
Schierholz, G.
Schiller, A.
Stüben, H.
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Conference paper
Citation
Proceedings of Science: XXVIIIth International Symposium on Lattice Field Theory, Lattice 2010, held in Villasimius, Italy, 14-19 June, 2010: pp.1-7
Statement of Responsibility
M. Göckeler, R. Horsley, Y. Nakamura, H. Perlt, D. Pleiter, P.E.L. Rakow, A. Schäfer, G. Schierholz, A. Schiller, H. Stüben and J.M. Zanotti (QCDSF/UKQCD Collaboration)
Conference Name
International Symposium on Lattice Field Theory (28th : 2010 : Villasimius, Italy)
Abstract
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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