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20112021
most citedMeasurement of the ratio of branching fractions

635 citations · 19.6k across the 281 of their papers we have counts for

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Showing 2012 · hep-exShow all

28 papers · 2 filters

hep-ex2012★ 17 cited

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…

hep-ex2012★ 26 cited

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…

hep-ex2012★ 391 cited

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…

hep-ex2012★ 62 cited

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…

hep-ex2012★ 91 cited

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…

hep-ex2012★ 44 cited

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…

hep-ex2012★ 28 cited

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…

hep-ex2012★ 39 cited

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…

hep-ex2012★ 17 cited

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…

hep-ex2012★ 105 cited

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…

hep-ex2012★ 93 cited

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…

hep-ex2012★ 287 cited

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…

hep-ex2012★ 21 cited

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…

hep-ex2012★ 41 cited

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…

hep-ex2012★ 78 cited

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…

hep-ex2012★ 34 cited

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…

hep-ex2012★ 114 cited

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…

hep-ex2012★ 163 cited

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…

hep-ex2012★ 93 cited

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…

hep-ex2012★ 83 cited

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…

hep-ex2012★ 18 cited

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…

hep-ex2012★ 83 cited

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…

hep-ex2012★ 101 cited

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…

hep-ex2012★ 63 cited

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…