The Improvement Program in Nonrelativistic Lattice QCD
Colin J. Morningstar
TL;DR
This paper reviews advancements in nonrelativistic lattice QCD, focusing on radiative corrections, mass renormalization, and the effectiveness of tadpole-improved perturbation theory for these calculations.
Contribution
It presents new calculations of radiative corrections and demonstrates the reliability of tadpole-improved perturbation theory in nonrelativistic lattice QCD.
Findings
Radiative corrections to heavy-quark mass renormalization are provided.
Tadpole-improved perturbation theory reliably determines energy shifts.
Key kinetic coupling coefficients are computed.
Abstract
Progress in the improvement program in nonrelativistic lattice QCD is outlined. The leading radiative corrections to the heavy-quark mass renormalization, energy shift, and two important kinetic coupling coefficients are presented. The reliability of tadpole-improved perturbation theory in determining the energy shift and mass renormalization is demonstrated.
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