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Renormalization of flavor singlet and nonsinglet fermion bilinear operators

Constantinou, M
; 
Hadjiantonis, M
; 
Panagopoulos, H
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Conference Proceeding
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2014-01-01
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hep-lat
 hep-lat
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http://hdl.handle.net/20.500.12613/5908
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1411.6990v1.pdf
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© Copyright owned by the author(s) under the terms of the Creative Commons Attribution-NonCommercial-ShareAlike Licence. We compute the difference in the renormalization of flavor singlet and nonsinglet fermion bilinear operators, to two loops in perturbation theory. Our results are applicable to a rather wide class of lattice actions with Symanzik improved gluons, stout links and clover fermions, including the Twisted Mass and SLiNC actions. A more detailed presentation of our results, along with relevant references, will appear in our forthcoming publication [1].
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Proceedings of Science
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