289 citations · 2.9k across the 34 of their papers we have counts for
35 papers
Design and performance of the LHCb trigger and full real-time reconstruction in Run 2 of the LHC
R. Aaij, S. Akar, J. Albrecht +138
The LHCb collaboration has redesigned its trigger to enable the full offline detector reconstruction to be performed in real time. Together with the real-time alignment and calibra…
Machine Learning in High Energy Physics Community White Paper
Kim Albertsson, Piero Altoe, Dustin Anderson +125
Machine learning has been applied to several problems in particle physics research, beginning with applications to high-level physics analysis in the 1990s and 2000s, followed by a…
Measurement of the shape of the differential decay rate
LHCb collaboration, R. Aaij, B. Adeva +801
A measurement of the shape of the differential decay rate and the associated Isgur-Wise function for the decay is reported, using data corresponding to…
Measurement of the resonant and CP components in decays
LHCb collaboration, R. Aaij, B. Adeva +693
The resonant structure of the reaction is studied using data from 3 fb of integrated luminosity collected by the LHCb experiment, one-t…
Performance of the LHCb Outer Tracker
LHCb Outer Tracker group, R. Arink, S. Bachmann +52
The LHCb Outer Tracker is a gaseous detector covering an area of 5x6 m2 with 12 double layers of straw tubes. The detector with its services are described together with the commiss…
Measurement of the charge asymmetry in and search for decays
LHCb collaboration, R. Aaij, B. Adeva +655
The \CP-violating charge asymmetry in decays is measured in a sample of collisions at 7 TeV centre-of-mass energy, corresponding to an integrated…
Observation of the decay
The LHCb collaboration, R. Aaij, B. Adeva +655
First observation of the decay Bs -> D0bar phi is reported using pp collision data, corresponding to an integrated luminosity of 1.0 fb^-1, collected by the LHCb experiment at a ce…
Search for the lepton-flavour violating decays and
LHCb collaboration, R. Aaij, B. Adeva +650
A search for the lepton-flavour violating decays and is performed with a data sample, corresponding to an integrated luminosit…
Observation of and decays
LHCb collaboration, R. Aaij, C. Abellan Beteta +623
The decays and are observed for the first time using a dataset, corresponding to an integrated luminosity of 3…
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…
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…
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…
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…
Measurement of the polarization amplitudes and triple product asymmetries in the B_s^0 -> phi phi decay
LHCb collaboration, R. Aaij, C. Abellan Beteta +592
Using 1.0 fb^{-1} of pp collision data collected at a centre-of-mass energy of sqrt{s}=7 TeV with the LHCb detector, measurements of the polarization amplitudes, strong phase diffe…
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…
Measurement of psi(2S) meson production in pp collisions at sqrt(s)=7 TeV
LHCb collaboration, R. Aaij, C. Abellán Beteta +577
The differential cross-section for the inclusive production of psi(2S) mesons in pp collisions at sqrt(s)=7 TeV has been measured with the LHCb detector. The data sample correspond…
Observation of CP violation in B+ to DK+ decays
LHCb collaboration, R. Aaij, C. Abellan Beteta +589
An analysis of B+ to DK+ and B+ to Dpi+ decays is presented where the D meson is reconstructed in the two-body final states: K+pi-, K+K-, pi+pi- and pi+K-. Using 1.0 fb-1 of LHCb d…
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…
Opposite-side flavour tagging of B mesons at the LHCb experiment
LHCb Collaboration, R. Aaij, C. Abellan Beteta +594
The calibration and performance of the opposite-side flavour tagging algorithms used for the measurements of time-dependent asymmetries at the LHCb experiment are described. The al…
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 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…
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…
Determination of the sign of the decay width difference in the B_s system
LHCb Collaboration, R. Aaij, C. Abellan Beteta +594
The interference between the K+K- S-wave and P-wave amplitudes in B_s -> J/psi K+K- decays with the K+K- pairs in the region around the phi(1020) resonance is used to determine the…
First observation of the decays B0bar -->D+ K- pi+ pi- and B- --> D0 K- pi+ pi-
LHCb Collaboration, R. Aaij, C. Abellan Beteta +586
First observations of the Cabibbo suppressed decays B0bar -->D+ K- pi+ pi- and B- --> D0 K- pi+ pi- are reported using 35 pb^{-1} of data collected with the LHCb detector. Their br…