Search for $X(3872)\to {\pi }^0{\pi }^0{\chi }_{c1,2}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +644

Using 10.1 fb${}^{-1}$ of $e^{+}{e}^{-}$ collision data collected by the BESIII detector with center-of-mass energies between 4.15 GeV and 4.30 GeV, we search for the decays $X(3872)\toπ^0…