Quark structure from the lattice Operator Product Expansion
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(Published version)
Date
2009
Authors
Bietenholz, W.
Cundy, N.
Gockeler, M.
Horsley, R.
Perlt, H.
Pleiter, D.
Rakow, P.
Schierholz, G.
Schiller, A.
Streuer, T.
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Conference paper
Citation
P o S - Proceedings of Science (LATTICE 2009), 2009; 139:1-139:7
Statement of Responsibility
W. Bietenholz, N. Cundy, M. Göckeler, R. Horsley, H. Perlt, D. Pleiter, P.E.L. Rakow, G. Schierholz, A. Schiller, T. Streuer and J.M. Zanotti
Conference Name
International Symposium on Lattice Field Theory (27th : 2009 : Beijing, China)
Abstract
We have reported elsewhere in this conference on our continuing project to determine nonperturbative Wilson coefficients on the lattice, as a step towards a completely non-perturbative determination of the nucleon structure. In this talk we discuss how these Wilson coefficients can be used to extract Nachtmann moments of structure functions, using the case of off-shell Landaugauge quarks as a first simple example. This work is done using overlap fermions, because their improved chiral properties reduce the difficulties due to operator mixing.
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Copyright owned by the author(s) under the terms of the Creative Commons Attribution-NonCommercial-ShareAlike Licence.