Disentangling QCD and New Physics in $D^{+}\to {\pi }^{+}{\ell }^{+}{\ell }^{-}$

Aoife Bharucha, Diogo Boito, Cédric Méaux

In this paper we consider the decay $D^{+}\to {\pi }^{+}{\ell }^{+}{\ell }^{-}$, addressing in particular the resonance contributions as well as the relatively large contributions from the weak annihi…