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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…
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…
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…
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 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 the CP-violating phase ϕs in Bs->J/ψπ+π- decays
LHCb collaboration, R. Aaij, C. Abellan Beteta +592
Measurement of the mixing-induced CP-violating phase phi_s in Bs decays is of prime importance in probing new physics. Here 7421 +/- 105 signal events from the dominantly CP-odd fi…
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…
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 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…
Search for the rare decays Bs -> mu+ mu- and B0 -> mu+ mu-
LHCb Collaboration, R. Aaij, C. Abellan Beteta +590
A search for the decays Bs -> mu+ mu- and B0 -> mu+ mu- is performed with 0.37 fb^-1 of pp collisions at sqrt{s} = 7 TeV collected by the LHCb experiment in 2011. The upper limits…