58 citations · 139 across the 9 of their papers we have counts for
10 papers
Radiative improvement of the lattice NRQCD action using the background field method and application to the hyperfine splitting of quarkonium states
T. C. Hammant, A. G. Hart, G. M. von Hippel +2
We present the first application of the background field method to Non-Relativistic QCD (NRQCD) on the lattice in order to determine the one-loop radiative corrections to the coeff…
Improved automated lattice perturbation theory in background field gauge
T. C. Hammant, R. R. Horgan, C. J. Monahan +5
We present an algorithm to automatically derive Feynman rules for lattice perturbation theory in background field gauge. Vertices with an arbitrary number of both background and qu…
Renormalization of heavy-light currents in moving NRQCD
E. H. Müller, A. Hart, R. R. Horgan
Heavy-light decays such as , and can be used to constrain the parameters of the Standard Model and in indirect searches for…
Radiative corrections to the lattice gluon action for highly improved staggered quarks (HISQ) and the effect of such corrections on the static potential
A. Hart, G. M. von Hippel, R. R. Horgan
We perform a perturbative calculation of the influence of dynamical HISQ fermions on the perturbative improvement of the gluonic action in the same way as we have previously done f…
Perturbative calculations for the HISQ action: the gluon action at
A. Hart, G. M. von Hippel, R. R. Horgan
We present a new (and general) algorithm for deriving lattice Feynman rules which is capable of handling actions as complex as the Highly Improved Staggered Quark (HISQ) action. Th…
Automatically generating Feynman rules for improved lattice field theories
A. Hart, G. M. von Hippel, R. R. Horgan +1
Deriving the Feynman rules for lattice perturbation theory from actions and operators is complicated, especially when improvement terms are present. This physically important task…