Search for CP violation in B^0 -> J/psi K^0_S decays with first LHCb data
We report a measurement of the CP violation in B^0 -> J/ψK^0_S decays. We perform a time-dependent analysis of the decays reconstructed in 35/pb of LHCb data that was taken in 2010. We measure the CP asymmetry parameter
hep-ex↗