Rare B \to K^{(*)} ν\barνDecays at B Factories

P. Colangelo, F. De Fazio, P. Santorelli +1

We compute the branching fraction of the decays $B\to K\nu \bar{\nu }$ and $B\to K^{\ast }\nu \bar{\nu }$ in the Standard Model. We also comment on the experimental difficulties and procedures to de…