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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…
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 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…
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…
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…
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…
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…