New method for non-standard invisible particle searches in tau lepton decays

E. De La Cruz-Burelo, M. Hernandez-Villanueva, A. De Yta-Hernandez

Motivated by models proposed to explain the Standard Model anomalies, and the unprecedented ${\tau }^{+}{\tau }^{-}$ data to be collected by the Belle~II experiment during the next years, we s…