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Evidence for the decay and measurement of the relative branching fractions of meson decays to and
LHCb Collaboration, R. Aaij, C. Abellan Beteta +620
First evidence of the decay is found and the and decays are studied using a dataset corresponding to an integrated lumino…
Measurement of the D+/- production asymmetry in 7 TeV pp collisions
LHCb collaboration, R. Aaij, C. Abellan Beteta +619
The asymmetry in the production cross-section σof D+/- mesons, A_P = (σ(D+) - σ(D-))/(σ(D+) + σ(D-)), is measured in bins of pseudorapidity ηand transverse momentum p_T within the…
Implications of LHCb measurements and future prospects
LHCb collaboration, A. Bharucha, I. I. Bigi +763
During 2011 the LHCb experiment at CERN collected 1.0 fb-1 of sqrt{s} = 7 TeV pp collisions. Due to the large heavy quark production cross-sections, these data provide unprecedente…
Measurement of the effective lifetime
LHCb collaboration, R. Aaij, C. Abellan Beteta +616
A precise determination of the effective lifetime can be used to constrain contributions from physics beyond the Standard Model in the meson sys…
Measurement of the Bs effective lifetime in the J/psi f0(980) final state
LHCb Collaboration, R. Aaij, C. Abellan Beteta +618
The effective lifetime of the Bs meson in the decay mode Bs->J/ψf0(980) is measured using 1.0/fb of data collected in pp collisions at sqrt(s) = 7 TeV with the LHCb detector. The r…
Measurement of relative branching fractions of B decays to and mesons
LHCb Collaboration
The relative rates of B-meson decays into and mesons are measured for the three decay modes in pp collisions recorded with the LHCb detector. The ratios of branching…
Observation of excited Lambda_b0 baryons
LHCb collaboration, R. Aaij, C. Abellan Beteta +615
Using pp collision data corresponding to 1.0 fb-1 integrated luminosity collected by the LHCb detector, two narrow states are observed in the Lambda_b0pi+pi- spectrum with masses 5…
Measurement of the ratio of prompt to production in collisions at TeV
LHCb Collaboration, R. Aaij, C. Abellan Beteta +591
The prompt production of charmonium and states is studied in proton-proton collisions at a centre-of-mass energy of TeV at the Large Hadron Collider. The…
First observation of the decay Bc+ to J/psi pi+pi-pi+
LHCb collaboration, R. Aaij, C. Abellan Beteta +592
The decay Bc+ --> J/psi pi+pi-pi+ is observed for the first time, using 0.8 fb-1 of pp collisions at sqrt{s}=7 TeV collected by the LHCb experiment. The ratio of branching fraction…
Measurement of the ratio of branching fractions BR(B0 -> K*0 gamma)/BR(Bs0 -> phi gamma)
LHCb Collaboration, R. Aaij, C. Abellan Beteta +594
The ratio of branching fractions of the radiative B decays B0 -> K*0 gamma and Bs0 -> phi gamma has been measured using 0.37 fb-1 of pp collisions at a centre of mass energy of sqr…
Measurement of Upsilon production in pp collisions at \sqrt{s} = 7 TeV
The LHCb Collaboration, R. Aaij, C. Abellan Beteta +594
The production of Upsilon(1S), Upsilon(2S) and Upsilon(3S) mesons in proton-proton collisions at the centre-of-mass energy of sqrt(s)=7 TeV is studied with the LHCb detector. The a…