635 citations · 19.6k across the 281 of their papers we have counts for
28 papers · 2 filters
Measurement of CP observables in B0 -> D K*0 with D -> K+ K-
LHCb collaboration, R. Aaij, C. Abellan Beteta +625
The decay B0 -> D K*0 and the charge conjugate mode are studied using 1.0fb-1 of pp collision data collected by the LHCb experiment at sqrt(s) = 7TeV in 2011. The CP asymmetry betw…
Measurement of the forward energy flow in pp collisions at sqrt(s)=7 TeV
LHCb collaboration, R. Aaij, C. Abellan Beteta +628
The energy flow created in pp collisions at sqrt(s)=7 TeV is studied within the pseudorapidity range 1.9<eta<4.9 with data collected by the LHCb experiment. The measurements are pe…
First evidence for the decay Bs -> mu+ mu-
LHCb collaboration, R. Aaij, C. Abellan Beteta +617
A search for the rare decays Bs->mu+mu- and B0->mu+mu- is performed using data collected in 2011 and 2012 with the LHCb experiment at the Large Hadron Collider. The data samples co…
First observation of the decay and studies of excited mesons
LHCb collaboration, R. Aaij, C. Abellan Beteta +621
Properties of the orbitally excited (L=1) states are studied using 1.0 fb of pp collisions at TeV collected with the LHCb detector. The first observation…
Observation of D0-D0bar oscillations
LHCb collaboration, R. Aaij, C. Abellan Beteta +616
We report a measurement of the time-dependent ratio of D0->K+pi- to D0->K-pi+ decay rates in D*+-tagged events using 1.0 fb^{-1} of integrated luminosity recorded by the LHCb exper…
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 -- oscillation frequency with the decays and
LHCb collaboration, R. Aaij, C. Abellan Beteta +621
The -- oscillation frequency is measured by the LHCb experiment using a dataset corresponding to an integrated luminosity of fb of proton-proton…
Measurement of the CP asymmetry in B0 -> K*0 mu+ mu- decays
LHCb collaboration, R. Aaij, C. Abellan Beteta +620
A measurement of the CP asymmetry in B0 -> K*0 mu+ mu- decays is presented, based on 1.0fb-1 of pp collision data recorded by the LHCb experiment during 2011. The measurement is pe…
First evidence for the annihilation decay mode
LHCb collaboration, R. Aaij, C. Abellan Beteta +617
Evidence for the hadronic annihilation decay mode is found with greater than significance. The branching fraction and \CP asymmetry are measured to be \ma…
Differential branching fraction and angular analysis of the decay
LHCb collaboration, R. Aaij, C. Abellan Beteta +617
The angular distribution and differential branching fraction of the decay are studied with a dataset corresponding to of…
Measurements of production and mass with the decay
LHCb collaboration, R. Aaij, C. Abellan Beteta +617
Measurements of production and mass are performed with the decay mode using 0.37 fb of data collected in collisions at TeV by th…
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 prompt hadron production ratios in collisions at 0.9 and 7 TeV
LHCb collaboration, R. Aaij, C. Abellan Beteta +619
The charged-particle production ratios , , , , and are measured with t…
Measurement of -hadron branching fractions for two-body decays into charmless charged hadrons
LHCb collaboration, R. Aaij, C. Abellan Beteta +589
Based on data corresponding to an integrated luminosity of 0.37 fb^-1 collected by the LHCb experiment in 2011, the following ratios of branching fractions are measured: B(B0 -> pi…
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…
Observation of double charm production involving open charm in pp collisions at =7 TeV
LHCb Collaboration, R. Aaij, C. Abellan Beteta +589
The production of mesons accompanied by open charm, and of pairs of open charm hadrons are observed in pp collisions at a centre-of-mass energy of 7 TeV using an integrated l…
Analysis of the resonant components in Bs->J/ψπ+π-
The LHCb collaboration, R. Aaij, C. Abellan Beteta +592
The decay Bs->J/ψπ+π- can be exploited to study CP violation. A detailed understanding of its structure is imperative in order to optimize its usefulness. An analysis of this three…
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…
Search for the X(4140) state in B+ to J/psi phi K+ decays
LHCb Collaboration, R. Aaij, C. Abellan Beteta +589
A search for the X(4140) state in B+ to J/psi phi K+ decays is performed with 0.37 fb-1 of pp collisions at sqrt(s)=7 TeV collected by the LHCb experiment. No evidence for this sta…
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…
First evidence of direct CP violation in charmless two-body decays of Bs mesons
LHCb collaboration, R. Aaij, C. Abellan Beteta +591
Using a data sample corresponding to an integrated luminosity of 0.35 collected by LHCb in 2011, we report the first evidence of CP violation in the decays of $B…