Rare B \to K^{(*)} \nu\bar\nu Decays at B Factories
  We compute the branching fraction of the decays $B \to K \nu \bar\nu$ and $B \to K^* \nu \bar\nu$ in the Standard Model. We also comment on the experimental difficulties and procedures to detect such modes at B factories. 
P. Colangelo, F. De Fazio, P. Santorelli, E. Scrimieri