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Measurement of the and effective lifetimes
LHCb collaboration, R. Aaij, B. Adeva +672
The first measurement of the effective lifetime of the meson in the decay is reported using a proton-proton collision dataset, correspondi…
Measurement of the polarisation amplitudes in B0 -> J/psi K*(892)0 decays
LHCb collaboration, R. Aaij, C. Abellan Beteta +632
An analysis of the decay B0 -> J/psi K*(892)0 is presented using data, corresponding to an integrated luminosity of 1.0fb^-1, collected in pp collisions at a centre-of-mass energy…
Measurement of the effective B_s^0 -> J/ψ K_S^0 lifetime
LHCb collaboration, R. Aaij, C. Abellan Beteta +630
This paper reports the first measurement of the effective B_s^0 -> J/ψ K_S^0 lifetime and an updated measurement of its time-integrated branching fraction. Both measurements are pe…
First observation of CP violation in the decays of Bs mesons
LHCb collaboration, R. Aaij, C. Abellan Beteta +631
Using pp collision data, corresponding to an integrated luminosity of , collected by LHCb in 2011 at a center-of-mass energy of 7 TeV, we report the measureme…
Measurement of CP violation and the B_s^0 meson decay width difference with B_s^0\to J/ψK^+ K^- and B_s^0\to J/ψπ^+π^- decays
LHCb collaboration, R. Aaij, C. Abellan Beteta +620
The time-dependent CP asymmetry in B_s^0\to J/ψK^+K^- decays is measured using collision data at \sqrt{s}=7TeV, corresponding to an integrated luminosity of 1.0fb^-1, collecte…
First measurement of the CP-violating phase in decays
The LHCb collaboration, R. Aaij, C. Abellan Beteta +621
A first flavour-tagged measurement of the time-dependent CP-violating asymmetry in decays is presented. In this decay channel, the CP-violating weak phase arises due…
Measurement of the Λ_b^0, Ξ_b^- and Ω_b^- baryon masses
LHCb collaboration, R. Aaij, C. Abellan Beteta +619
Bottom baryons decaying to a J/ψ meson and a hyperon are reconstructed using 1.0 fb^{-1} of data collected in 2011 with the LHCb detector. Significant Λ_b^0 \rightarrow J/ψΛ, Ξ_b^-…