Perturbative determination of c(SW) for plaquette and Symanzik gauge action and stout link clover fermions

in one-loop lattice perturbation theory from the off-shell quark-quark-gluon three-point function. In addition, we compute the coefficients needed for the most general form of quark field improvement and present the one-loop result for the critical hopping parameter

\kappa_c

. We discuss mean field improvement for

c_{SW}

and

\kappa_c

and the choice of the mean field coupling for the actions we have considered.

lattice field theory: action
quark: propagator
fermion: clover
mean field approximation
perturbation theory
vertex function: (2quark gluon)
hopping parameter expansion

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