Search for the rare decay $D^0 \to \mu^+ \mu^-$
R. Aaij, C. Abellán Beteta, B. Adeva, M. Adinolfi et autres
A search for the rare decay $D^0 \to \mu^+ \mu^-$is performed using a data sample, corresponding to an integrated luminosity of 0.9 fb$^{-1}$, of $pp$ collisions collected at a centre-of-mass energy of 7 TeV by the LHCb experiment. The observed number of …