  We perform model-independent statistical analyses of three scenarios
accommodating New Physics (NP) in Delta F=2 flavour-changing neutral current
amplitudes. In a scenario in which NP in B_d-B_d-bar and B_s-B_s-bar is
uncorrelated, we find the parameter point representing the Standard-Model
disfavoured by 2.4 standard deviations. However, recent LHCb data on B_s
neutral-meson mixing forbid a good accommodation of the D0 data on the
semileptonic CP asymmetry A_SL. We introduce a fourth scenario with NP in both
M_12^d,s and Gamma_12^d,s, which can accommodate all data. We discuss the
viability of this possibility and emphasise the importance of separate
measurements of the CP asymmetries in semileptonic B_d and B_s decays. All
results have been obtained with the CKMfitter analysis package, featuring the
frequentist statistical approach and using Rfit to handle theoretical
uncertainties.
