Heavy-Quark Masses and Heavy-Meson Decay Constants from Borel Sum Rules   in QCD
  Slight sophistications of the QCD sum-rule formalism may have great impact on the reliability of predicted hadron observables, as exemplified for the case of heavy-meson decay constants. 
Wolfgang Lucha, Dmitri Melikhov, and Silvano Simula
hep-ph hep-ex hep-lat nucl-th