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Now showing items 21-30 of 40
Search for CP violation in the decay D+→π−π+π+
(Elsevier, 2014)
A search for CP violation in the phase space of the decay D+→π−π+π+ is reported using pp collision
data, corresponding to an integrated luminosity of 1.0 fb−1, collected by the LHCb experiment at a centreof-
mass energy ...
Observation of Z production in proton-lead collisions at LHCb
(Springer, 2014)
The first observation of Z boson production in proton-lead collisions at a centre-of-mass energy per proton-nucleon pair of √sNN= 5 TeV is presented. The data sample corresponds to an integrated luminosity of 1.6 nb−1 ...
Observation of B0s →K*∓ K∓ and evidence for B0s →K* −π+ decays
(IOP Publishing, 2014)
Measurements of the branching fractions of B0s→K∗±K∓ and B0s→K∗±π∓ decays are performed using a data sample corresponding to 1.0 fb−1 of proton-proton collision data collected with the LHCb detector at a centre-of-mass ...
Observation of the Λ0b → J/ψ pπ − decay
(Springer, 2014)
The first observation of the Cabibbo-suppressed decay Λ 0b → J/ψpπ − is reported using a data sample of proton-proton collisions at 7 and 8 TeV, corresponding to an integrated luminosity of 3 fb−1. A prominent signal is ...
Precision measurement of the ratio of the Λ0b to B¯ 0 lifetimes
(Elsevier, 2014)
The LHCb measurement of the lifetime ratio of the Λ b 0 baryon to the B¯ 0 meson is
updated using data corresponding to an integrated luminosity of 3.0 fb− 1 collected using 7
and 8 TeV centre-of-mass energy pp collisions ...
Observation of associated production of a Z boson with a D meson in the forward region
(Springer, 2014)
A search for associated production of a Z boson with an open charm meson is presented using a data sample, corresponding to an integrated luminosity of 1.0 fb−1 of proton-proton collisions at a centre-of-mass energy of ...
Measurement of the Ξ−b and Ω−b baryon lifetimes
(Elsevier, 2014)
Using a data sample of ppcollisions corresponding to an integrated luminosity of 3fb−1, the Ξ−band Ω−bbaryons are reconstructed in the Ξ−b→J/ψΞ−and Ω−b→J/ψΩ−decay modes and their lifetimes measured to be
τ
Ξ
−
b
...
Study of χb meson production in p p collisions at √s=7 and 8TeV and observation of the decay χb(3P)→Υ(3S)γ
(Springer, 2014)
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 of Υ(nS) mesons ...
Study of forward Z + jet production in pp collisions at √s = 7 TeV
(Springer, 2014)
A measurement of the Z(→ μ + μ −) + jet production cross-section in pp collisions at a centre-of-mass energy √s = 7 TeV is presented. The analysis is based on an integrated luminosity of 1.0 fb−1 recorded by the LHCb ...
Measurement of Υ production in pp collisions at √s=2.76TeV
(Springer, 2014)
The production of Υ(1S), Υ(2S) and Υ(3S) mesons decaying into the dimuon final state is studied with the LHCb detector using a data sample corresponding to an integrated luminosity of 3.3pb−1 collected in proton–proton ...