Analytical methods in heavy quark physics and the case of $\\tau_{1/2}(w)$

A. Le Yaouanc (1)

1 LPT - Laboratoire de Physique Théorique d'Orsay [Orsay]

Analytical methods in heavy quark physics are shortly reviewed, with emphasis on the problems of dynamical calculations. Then, attention is attracted to the various difficulties raised by a tentative experimental determination of $\\tau_{1/2}$

Domaines: Physique des Hautes Energies - Phénoménologie [hep-ph]

A. Le Yaouanc. Analytical methods in heavy quark physics and the case of $\\tau_{1/2}(w)$. FPCP, 2003, Paris, France. ⟨hal-00008597⟩