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Non-perturbative improvement of lattice QCD at large momenta

Non-perturbative improvement of lattice QCD at large momenta
Non-perturbative improvement of lattice QCD at large momenta
We propose a method to improve lattice operators composed of Wilson fermions which allows the removal of all corrections of O(a), including those proportional to the quark mass. It requires off-shell improvement of quark fields and composite operators, which is achieved by studying the behaviour of quark and gluon correlation functions at large momenta.
0920-5632
311-337
Martinelli, G.
3949da7a-7efe-4ebd-b1f7-92f1ca150d66
Rossi, G.C.
ea0619e9-76c2-40fb-bcdc-4657d200128e
Sachrajda, C.T.
0ed6568b-f52f-4314-8677-4aeeb925d6f7
Sharpe, S.
7b8a7721-8466-41b8-b582-e213ed770f3f
Talevi, M.
d199b46b-01cc-4c10-bbda-b9ece15bfafc
Testa, M.
09922852-3d57-47ea-a5b4-0d57aa310bbf
Martinelli, G.
3949da7a-7efe-4ebd-b1f7-92f1ca150d66
Rossi, G.C.
ea0619e9-76c2-40fb-bcdc-4657d200128e
Sachrajda, C.T.
0ed6568b-f52f-4314-8677-4aeeb925d6f7
Sharpe, S.
7b8a7721-8466-41b8-b582-e213ed770f3f
Talevi, M.
d199b46b-01cc-4c10-bbda-b9ece15bfafc
Testa, M.
09922852-3d57-47ea-a5b4-0d57aa310bbf

Martinelli, G., Rossi, G.C., Sachrajda, C.T., Sharpe, S., Talevi, M. and Testa, M. (2001) Non-perturbative improvement of lattice QCD at large momenta. Nuclear Physics B - Proceedings Supplements, 611 (1-3), 311-337. (doi:10.1016/S0550-3213(01)00342-X).

Record type: Article

Abstract

We propose a method to improve lattice operators composed of Wilson fermions which allows the removal of all corrections of O(a), including those proportional to the quark mass. It requires off-shell improvement of quark fields and composite operators, which is achieved by studying the behaviour of quark and gluon correlation functions at large momenta.

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Published date: 17 September 2001
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Identifiers

Local EPrints ID: 57456
URI: http://eprints.soton.ac.uk/id/eprint/57456
DOI: doi:10.1016/S0550-3213(01)00342-X
ISSN: 0920-5632
PURE UUID: 6db117a1-94d6-445a-aeda-dfdb9810f91c

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Date deposited: 14 Aug 2008
Last modified: 15 Mar 2024 11:07

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Contributors

Author: G. Martinelli
Author: G.C. Rossi
Author: C.T. Sachrajda
Author: S. Sharpe
Author: M. Talevi
Author: M. Testa

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