activity
20122017
most citedTest of lepton universality using decays

952 citations · 4k across the 51 of their papers we have counts for

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Showing 2012Show all

19 papers · 1 filter

hep-ex2012★ 53 cited

Measurement of J/psi production in pp collisions at sqrt(s)=2.76 TeV

LHCb collaboration, R. Aaij, C. Abellan Beteta +624

The production of J/psi mesons is studied with the LHCb detector using data from pp collisions at sqrt(s)=2.76 TeV corresponding to an integrated luminosity of 71 nb^-1. The differ…

hep-ex2012★ 26 cited

Measurement of the time-dependent CP asymmetry in B0 -> J/ψ KS0 decays

LHCb collaboration, R. Aaij, C. Abellan Beteta +622

This Letter reports a measurement of the CP violation observables S_J/ψKS0 and C_J/ψKS0 in the decay channel B0 -> J/ψ KS0 performed with 1.0/fb of pp collisions at sqrt(s) = 7 TeV…

hep-ex2012★ 59 cited

Measurement of the ratio of branching fractions BR(B0 -> K*0 gamma)/BR(Bs0 -> phi gamma) and the direct CP asymmetry in B0 -> K*0 gamma

LHCb collaboration, R. Aaij, C. Abellan Beteta +621

The ratio of branching fractions of the radiative B decays B0 -> K*0 gamma and Bs0 phi gamma has been measured using an integrated luminosity of 1.0 fb-1 of pp collision data colle…

hep-ex2012★ 42 cited

A model-independent Dalitz plot analysis of with () decays and constraints on the CKM angle

LHCb collaboration, R. Aaij, C. Abellan Beteta +617

A binned Dalitz plot analysis of decays, with and , is performed to measure the CP-violating observables $…

hep-ex2012★ 76 cited

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…

hep-ex2012★ 46 cited

First observation of the decay

LHCb Collaboration, R. Aaij, C. Abellan Beteta +621

A discovery of the rare decay is presented. This decay is observed for the first time, with 5.2 significance. The observation is made usin…

hep-ex2012★ 22 cited

Search for the rare decay KS -> mu+ mu-

LHCb collaboration, R. Aaij, C. Abellan Beteta +616

A search for the decay KS -> mu+ mu- is performed, based on a data sample of 1.0 fb^-1 of pp collisions at \sqrt{s}=7 TeV collected by the LHCb experiment at the Large Hadron Colli…

hep-ex2012★ 28 cited

Measurement of the fraction of \Y1S originating from \chib1P decays in collisions at $\sqrt{s} = 7\tev$

LHCb collaboration, R. Aaij, C. Abellan Beteta +616

The production of \chib1P mesons in collisions at a centre-of-mass energy of $7\tev$ is studied using $32\invpb$ of data collected with the \lhcb detector. The $\chib1P$ meson…

hep-ex2012★ 31 cited

Observation of the decay B0 -> D0bar K+ K- and evidence for Bs -> D0bar K+ K-

LHCb collaboration, R. Aaij, C. Abellan Beteta +621

The first observation of the decay B0 -> D0bar K+ K- is reported from an analysis of 0.62 fb-1 of pp collision data collected with the LHCb detector. Its branching fraction is meas…

hep-ex2012★ 26 cited

Measurement of the branching fraction and angular amplitudes

LHCb collaboration, R. Aaij, C. Abellan Beteta +616

A search for the decay with is performed with 0.37 fb of collisions at = 7 TeV collected by the LHCb…

hep-ex2012★ 25 cited

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…

hep-ex2012★ 48 cited

Measurement of the Ds+ - Ds- production asymmetry in 7 TeV pp collisions

LHCb collaboration, R. Aaij, C. Abellan Beteta +605

Heavy quark production in 7 TeV centre-of-mass energy pp collisions at the LHC is not necessarily flavour symmetric. The production asymmetry, A_P, between Ds+ and Ds- mesons is st…

hep-ex2012★ 88 cited

Measurement of the isospin asymmetry in decays

LHCb collaboration, R. Aaij, C. Abellan Beteta +615

The isospin asymmetries of decays and the partial branching fractions of and are measured as a function of the di-m…

hep-ex2012★ 198 cited

Strong constraints on the rare decays Bs -> mu+ mu- and B0 -> mu+ mu-

LHCb collaboration, R. Aaij, C. Abellan Beteta +607

A search for Bs -> mu+ mu- and B0 -> mu+ mu- decays is performed using 1.0 fb^-1 of pp collision data collected at \sqrt{s}=7 TeV with the LHCb experiment at the Large Hadron Colli…

hep-ex2012★ 123 cited

Inclusive and production in the forward region at TeV

LHCb collaboration, R. Aaij, C. Abellan Beteta +606

Measurements of inclusive and boson production cross-sections in collisions at TeV using final states containing muons are presented. The data sample corr…

hep-ex2012★ 76 cited

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…

hep-ex2012★ 25 cited

Measurements of the branching fractions of the decays and

The LHCb collaboration, R. Aaij, C. Abellan Beteta +592

The decay mode $\B^{0}_{s} \to D^{\mp}_{s} K^{\pm} $ allows for one of the theoretically cleanest measurements of the CKM angle through the study of time-dependent $\ensuremath…

hep-ex2012★ 30 cited

Measurements of the branching fractions and CP asymmetries of B+ to J/psi pi+ and B+ to psi(2S) pi+ decays

LHCb collaboration, R. Aaij, C. Abellan Beteta +589

A study of B+ to J/psi pi+ and B+ to psi(2S) pi+ decays is performed with data corresponding to 0.37 fb-1 of proton-proton collisions at sqrt(s)=7 TeV. Their branching fractions ar…

hep-ex2012★ 47 cited

Measurement of the B+- production cross-section in pp collisions at sqrt(s)=7 TeV

The LHCb Collaboration, R. Aaij, C. Abellan Beteta +594

The production of B+- mesons in proton-proton collisions at sqrt(s)=7 TeV is studied using 35 pb-1 of data collected by the LHCb detector. The B+- mesons are reconstructed exclusiv…