Local-Duality QCD Sum Rules for Pseudoscalar-Meson Form Factors
  We scrutinize recent findings on the charged-pion elastic form factor and the form factors entering in neutral-meson-to-photons transition amplitudes within the framework of QCD sum rules. 
Irina Balakireva, Wolfgang Lucha, Dmitri Melikhov
hep-ph hep-ex nucl-th