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Measurement of the B0s−B¯0s oscillation frequency Δms in B0s→D−s(3)π decays
(, , 2012-03-19)
The B0s–B0soscillation frequency msis measured with 36 pb−1of data collected inppcollisions at √s=7 TeV by the LHCb experiment at the Large Hadron Collider. A total of 1381B0s→D−sπ+andB0s→D−sπ+π−π+signal ...
Measurement of the CKM angle γ from a combination of B±→Dh± analyses
(, , 2013-10-07)
A combination of three LHCb measurements of the CKM angle gamma is presented. The decays B-+/- -> DK +/- and B-+/- -> D pi(+/-) are used, where D denotes an admixture of D-0 and (D) over bar (0) mesons, ...
Measurement of sigma(pp -> b anti-b X) at sqrt(s)=7 TeV in the forward region
(, , 2010)
Decays of b hadrons into final states containing a Dº meson and a muon are used to measure the bb production cross-section in proton–proton collisions at a centre-of-mass energy of 7 TeV at the LHC. In ...
Measurement of V 0 production ratios in pp collisions at ps = 0.9 and 7TeV
(, , 2011-08-08)
The Λ¯/Λ and Λ¯/K0S production ratios are measured by the LHCb detector from 0.3 nb−1 of pp collisions delivered by the LHC at s√=0.9 TeV and 1.8 nb−1 at s√=7 TeV. Both ratios are presented as a function ...
Measurement of theB± production cross-section in pp collisions at √s= 7TeV
(, , 2012-04-19)
The production of B ± mesons in proton-proton collisions at s√ = 7 TeV is studied using 35 pb−1 of data collected by the LHCb detector. The B ± mesons are reconstructed exclusively in the B ± → J/ψK ± ...
First observation of the decay B¯0s→D0K∗0 and a measurement of the ratio of branching fractions B(B¯0s→D0K∗0)/B(B¯0→D0ρ0)
(, , 2011-11-30)
The first observation of the decay B¯s0→D0K⁎0 using pp data collected by the LHCb detector at a centre-of-mass energy of 7 TeV, corresponding to an integrated luminosity of 36 pb−1 , is reported. A ...
Measurement of the effective B0s → K+K- lifetime
(, , 2012-10-02)
A precise determination of the effectiveB0s→K+K−lifetime can be used to con-strain contributions from physics beyond the Standard Model in theB0smesonsystem. Conventional approaches selectBmeson ...
Observation of Excited Λ0b Baryons
(, , 2012-10-26)
Using pp collision data corresponding to 1.0 fb−1 integrated luminosity collected by the LHCb detector, two narrow states are observed in the Λ0bπ+π− spectrum with masses 5911.97±0.12(stat)±0.02(syst ...
Measurement of σ(pp → bb X) at √s = 7 TeV in the forward region
(, , 2010-11-08)
Decays of b hadrons into final states containing a D0 meson and a muon are used to measure the bb
production cross-section in proton–proton collisions at a centre-of-mass energy of 7 TeV at the LHC.
In ...
Measurement of ψ(2S) meson production in pp collisions at s√=7 TeV
(, , 2012-08)
The differential cross-section for the inclusive
production of ψ(2S) mesons in pp collisions at √s = 7 TeV
has been measured with the LHCb detector. The data sample corresponds to an integrated luminosity ...