Precision measurement of the $D^{\ast 0}$ decay branching fractions

M. Ablikim, M. N. Achasov, X. C. Ai +405

Using 482 pb${}^{-1}$ of data taken at $\sqrt{s}=4.009$ GeV, we measure the branching fractions of the decays of $D^{\ast 0}$ into $D^0{\pi }^0$ and $D^0\gamma$ to be $\BR(D^{*0} \to D^0π^0)=(65.5…