952 citations · 25.2k across the 361 of their papers we have counts for
19 papers · 1 filter
Measurement of mixing and CP violation parameters in two-body charm decays
LHCb Collaboration, R. Aaij, C. Abellan Beteta +585
A study of mixing and indirect CP violation in D0 mesons through the determination of the parameters y_CP and A_Γ is presented. The parameter y_CP is the deviation from unity of th…
Measurement of charged particle multiplicities in collisions at TeV in the forward region
LHCb Collaboration, R. Aaij, C. Abellan Beteta +589
The charged particle production in proton-proton collisions is studied with the LHCb detector at a centre-of-mass energy of TeV in different intervals of pseudorapid…
Observation of X(3872) production in pp collisions at sqrt(s)= 7 TeV
LHCb Collaboration, R. Aaij, C. Abellan Beteta +585
Using 34.7 pb-1 of data collected with the LHCb detector, the inclusive production of the X(3872) meson in pp collisions at sqrt(s) = 7 TeV is observed for the first time. Candidat…
Measurement of the CP-violating phase phi_s in the decay Bs->J/psi phi
LHCb Collaboration, R. Aaij, C. Abellan Beteta +585
We present a measurement of the time-dependent CP-violating asymmetry in B_s -> J/psi phi decays, using data collected with the LHCb detector at the LHC. The decay time distributio…
Evidence for CP violation in time-integrated D0 -> h-h+ decay rates
LHCb Collaboration, R. Aaij, C. Abellan Beteta +586
A search for time-integrated CP violation in D0 -> h-h+ (h=K, pi) decays is presented using 0.62 fb^-1 of data collected by LHCb in 2011. The flavor of the charm meson is determine…
Study of Bbar --> Xu l nubar decays in BBbar events tagged by a fully reconstructed B-meson decay and determination of |V_{ub}|
The BABAR Collaboration
We report measurements of partial branching fractions for inclusive charmless semileptonic B decays Bbar --> Xu l nubar, and the determination of the CKM matrix element |V_{ub}|. T…
Measurement of b hadron production fractions in 7 TeV pp collisions
The LHCb Collaboration, R. Aaij, C. Abellan Beteta +587
Measurements of hadron production ratios in proton-proton collisions at a centre-of-mass energy of 7 TeV with an integrated luminosity of 3 pb are presented. We study th…
Search for CP violation in decays
LHCb Collaboration, R. Aaij, B. Adeva +573
A model-independent search for direct CP violation in the Cabibbo suppressed decay in a sample of approximately 370,000 decays is carried out. The data were co…
A Measurement of the Semileptonic Branching Fraction of the B_s Meson
The BaBar Collaboration, J. P. Lees, V. Poireau +383
We report a measurement of the inclusive semileptonic branching fraction of the B_s meson using data collected with the BaBar detector in the center-of-mass (CM) energy region abov…
Observation of pair production in pp collisions at
LHCb Collaboration, R. Aaij, B. Adeva +567
The production of pairs in proton-proton collisions at a centre-of-mass energy of 7 TeV has been observed using an integrated luminosity of collected with the…
Search for hadronic decays of a light Higgs boson in the radiative decay Upsilon --> gamma A0
The BABAR Collaboration, J. P. Lees, V. Poireau +385
We search for hadronic decays of a light Higgs boson (A0) produced in radiative decays of an Upsilon(2S) or Upsilon(3S) meson, Upsilon --> gamma A0. The data have been recorded by…
Observation of the baryonic B decay B0bar --> Lambda_c^+ anti-Lambda K-
The BABAR Collaboration, J. P. Lees, V. Poireau +384
We report the observation of the baryonic B decay B0bar --> Lambda_c^+ anti-Lambda K- with a significance larger than 7 standard deviations based on 471x10^6$ BBbar pairs collected…
Searches for Rare or Forbidden Semileptonic Charm Decays
The BABAR Collaboration, J. P. Lees
We present searches for rare or forbidden charm decays of the form , where is a charm hadron (, , or ), i…
Measurement of the inclusive phi cross-section in pp collisions at sqrt(s) = 7 TeV
LHCb Collaboration, R. Aaij, B. Adeva +551
The cross-section for inclusive phi meson production in pp collisions at a centre-of-mass energy of sqrt(s) = 7 TeV has been measured with the LHCb detector at the Large Hadron Col…
Study of di-pion bottomonium transitions and search for the h_b(1P) state
The BABAR Collaboration
We study inclusive di-pion decays using a sample of 108 x 10^6 Upsilon(3S) events recorded with the BABAR detector. We search for the decay mode Upsilon(3S) --> pi+ pi- h_b(1P) and…
Study of radiative bottomonium transitions using converted photons
The BABAR Collaboration, J. P. Lees, V. Poireau +388
We use 111+/-1 million Upsilon(3S) and 89+/-1 million Upsilon(2S) events recorded by the BaBar detector at the PEP-II B-factory at SLAC to perform a study of radiative transitions…
Cross Sections for the Reactions e+e- --> K+ K- pi+pi-, K+ K- pi0pi0, and K+ K- K+ K- Measured Using Initial-State Radiation Events
The BABAR Collaboration, J. P. Lees
We study the processes e+e- --> K+ K- pi+pi-gamma, K+ K- pi0pi0gamma, and K+ K- K+ K-gamma, where the photon is radiated from the initial state. About 84000, 8000, and 4200 fully r…
Search for the rare decays Bs -->mumu and Bd -->mumu
LHCb Collaboration, R. Aaij, B. Adeva +542
A search for the decays Bs-->mumu and Bd-->mumu is performed with about 37 pb^{-1} of pp collisions at sqrt{s} = 7 TeV collected by the LHCb experiment at the Large Hadron Collider…
Evidence for the h_b(1P) meson in the decay Upsilon(3S) --> pi0 h_b(1P)
The BABAR Collaboration, J. P. Lees, V. Poireau +406
Using a sample of 122 million Upsilon(3S) events recorded with the BaBar detector at the PEP-II asymmetric-energy e+e- collider at SLAC, we search for the spin-singlet pa…