Measurement of the semileptonic $CP$ asymmetry in $B^0-\overline{B}{}^0$ mixing

LHCb collaboration, R. Aaij, B. Adeva +700

The semileptonic $CP$ asymmetry in $B^0-\overline{B}{}^0$ mixing, $a_{\mathrm{sl}}^d$, is measured in proton-proton collision data, corresponding to an integrated luminosity of 3.0 fb$^…