Sum rules in QCD are discussed and finite energy and Laplace transform sum rules are used to determine the strange-quark mass. We use improved QCD input and experimental data to obtain for the invariant mass: mₛ= 266 ± 29 MeV, or for the running mass at 1 GeV: mₛ(1 GeV) = 194 ± 4 MeV.
Networked Digital Library of Theses and Dissertations