M. P. Williams

Observation of B+c→J/ψD+s and B+c→J/ψD*+s decays

The decays

Measurement of the Bs0–B¯s0 oscillation frequency Δms in Bs0→Ds−(3)π decays☆

B^+_c \rightarrow J/\psi D_s^+

Analysis of the resonant components in Bs0→J/ψπ+π-

and

Measurement of sigma (pp -> bbX) at √s=7 TeV in the forward region

B^+_c \rightarrow J/\psi D_s^{*+}

Measurement of the differential branching fractionof the decay Λ0b→Λμ+μ−

are observed for the first time using a dataset, corresponding to an integrated luminosity of 3

Observation of the decay Bºs → D-ºφ

fb^{-1}

Measurement of the effective Bºs → J/ψ Kºs lifetime

, collected by the LHCb experiment in proton-proton collisions at centre-of-mass energies of

Measurement of the ratio of branching fractions β(Bº → K*ºγ)/β(Bºs → φγ) and the direct CP asymmetry in Bº → K*ºγ

\sqrt{s}

Search for the rare decay Kºs → μ+μ−

=7 and 8 TeV. The statistical significance for both signals is in excess of 9 standard deviations. The following ratios of branching fractions are measured to be

Measurement of the B-s0 -> J/ΨK-S0 branching fraction

BR(B^+_c \rightarrow J/\psi D_s^+)/BR(B^+_c \rightarrow J/\psi \pi+) = 2.90 \pm 0.57 \pm 0.24