Observation of the $B_c^{+}\to J/\psi {\pi }^{+}{\pi }^0$ decay

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1068

The first observation of the $B_c^{+}\to J/\psi {\pi }^{+}{\pi }^0$ decay is reported with high significance using proton-proton collision data, corresponding to an integrated luminosity of 9fb$^{…