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Measurement of the ratio of B+c branching fractions to J/ψπ+ and J/ψμ+νμ final states
(American Physical Society, 2014-08-27)
The first measurement that relates semileptonic and hadronic decay rates of the B+c meson is performed using proton-proton collision data corresponding to 1.0 fb−1 of integrated luminosity collected ...
Measurement of the cross-section ratio σ(χc2)/σ(χc1) for prompt χc production at √s=7TeV
(Elsevier, 2012-08-14)
The prompt production of the charmonium $\chi_{c1}$ and $\chi_{c2}$ mesons has been studied in proton-proton collisions at the Large Hadron Collider at a centre-of-mass energy of $\sqrt{s}=7$ TeV. The ...
Study of η − η′ mixing from measurement of B 0(s) → J/ψη(′) decay rates
(Springer, 2015-01-08)
A study of B and Bs meson decays into J/ψ η and J/ψ η′ final states is performed using a data set of proton-proton collisions at centre-of-mass energies of 7 and 8 TeV, collected by the LCHb experiment ...
Exclusive J/ψ and ψ(2S) production in pp collisions at √s= 7 TeV
(IOPscience, 2013-02)
Exclusive J/ψ and ψ(2S) vector meson production has been observed in the
dimuon channel using the LHCb detector. The cross-section times branching
fractions to two muons with pseudorapidities between ...
Study of χb meson production in pp collisions at s√=7 and 8TeV and observation of the decay χb(3P)→Υ(3S)γ
(Springer, 2014-10-08)
A study of χb meson production at LHCb is performed on proton–proton collision data, corresponding to 3.0 fb−1of integrated luminosity collected at centre-of-mass energies s√ = 7 and 8 TeV. The fraction ...
Measurement of forward J/ψ production cross-sections in pp collisions at s√=13 TeV
(Springer, 2015-10-26)
The production of J/ψ mesons in proton-proton collisions at a centre-of-mass energy of s√=13 TeV is studied with the LHCb detector. Cross-section measurements are performed as a function of the transverse ...
Measurement of the χ b (3P) mass and of the relative rate of χ b1(1P) and χ b2(1P) production
(Springer, 2014-10-14)
The production of χ b mesons in proton-proton collisions is studied using a data sample collected by the LHCb detector, at centre-of-mass energies of s√
=7 and 8 TeV and corresponding to an integrated ...
Study of Υ production and cold nuclear matter effects in pPb collisions at √sNN = 5 TeV
(Springer, 2014-07-21)
Production of Υ mesons in proton-lead collisions at a nucleon-nucleon centre-of-mass energy sNN−−−−√ = 5 TeV is studied with the LHCb detector. The analysis is based on a data sample corresponding to ...
Study of the kinematic dependences of Λ 0b production in pp collisions and a measurement of the Λ 0b → Λ +c π − branching fraction
(Springer, 2014-08-26)
The kinematic dependences of the relative production rates, fΛ0b/fd, of Λ 0b baryons and B 0 mesons are measured using Λ 0b → Λ +c π − and B¯¯¯¯0 →D+π− decays. The measurements use proton-proton ...
Measurement of the ¯B0s→D−sD+s and ¯B0s→D−D+s Effective Lifetimes
(American Physical Society, 2014-03-19)
The first measurement of the effective lifetime of the ¯B0s meson in the decay ¯B0s→D−sD+s is reported using a proton-proton collision data set, corresponding to an integrated luminosity of 3 fb−1, ...