QCD Sum Rules for Heavy Flavour Physics

Abstract

Uses of QCD sum rules for heavy flavoured hadrons are discussed. "Standard" applications such as the determination of the $b$, $c$ quark masses, the calculation of $f_B$, $f_D$ and of the heavy-to-light form factors are overviewed. Furthermore, a new approach to calculate the $B\to \pi \pi$ hadronic matrix elements from QCD light-cone sum rules is described.

12 pages, 2 figures, Latex, AIP proceedings style, talk at the International Workshop on QCD: Theory and Experiment, Martina Franca (Italy), June 2001

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• Analysis of the vertices D^*D^* P, D^*D V and DDV with light-cone QCD sum rules
• Radiative Corrections on the $B\to P$ Form Factors with Chiral Current in the Light-Cone Sum Rules
• Models for Light-Cone Meson Distribution Amplitudes
• Analysis of the vertexes ${\Omega }_Q^{\ast }{\Omega }_Q\varphi$ and radiative decays ${\Omega }_Q^{\ast }\to {\Omega }_Q\gamma$
• The $D^{\ast }D\pi$ and $B^{\ast }B\pi$ couplings from light-cone sum rules
• Analysis of the vertices $DDV$ and $D^{\ast }DV$ with light-cone QCD sum rules
• New Physics Effects and Hadronic Form Factor Uncertainties in B -> K^* l^+ l^-
• Possible explanation of the discrepancy of the light-cone QCD sum rule calculation of g(D*Dpi) coupling with experiment
• Non-leptonic B-decays in and beyond QCD Factorisation