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Please use this identifier to cite or link to this item: http://hdl.handle.net/2307/259

Title: O (a(2)) corrections to the one-loop propagator and bilinears of cloverfermions with Symanzik improved gluons
Authors: Constantinou, Martha
Lubicz, Vittorio
Panagopoulos, H.
Stylianou, F.
Keywords: PERTURBATION-THEORY
LATTICE THEORIES
CONTINUUM-LIMIT
RENORMALIZATION
QCD
CONSTANTS
OPERATORS
CURRENTS
FIELD
Issue Date: Oct-2009
Publisher: SISSA
Abstract: We calculate corrections to the fermion propagator and to the Green'sfunctions of all fermion bilinear operators of the form (Psi) over barGamma Psi, to one-loop in perturbation theory.We employ the Wilson/clover action for fermions and the Symanzikimproved action for gluons.The novel aspect of our calculations is that they are carried out tosecond order in the lattice spacing, O (a(2)). Consequently, they haveaddressed a number of new issues, most notably the appearance of loopintegrands with s
...more
URI: http://hdl.handle.net/2307/259
ISSN: 1126-6708
DOI: 10.1088/1126-6708/2009/10/064
Appears in Collections:A - Articolo su rivista
Dipartimento di Fisica 'Edoardo Amaldi'

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