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Search for the lepton flavour violating decay τ − → μ − μ + μ −
(Springer, 2015-02-18)
A search for the lepton flavour violating decay τ − → μ − μ + μ − is performed with the LHCb experiment. The data sample corresponds to an integrated luminosity of 1.0 fb−1 of proton-proton collisions ...
Observation of CP violation in two-body B0(s) -meson decays to charged pions and kaons
(Springer, 2021-03)
The time-dependent CP asymmetries of B0 → π+π− and B0s → K+K− decays are measured using a data sample of pp collisions corresponding to an integrated luminosity of 1.9 fb−1, collected with the LHCb ...
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 ...
Measurement of B+c Production in Proton-Proton Collisions at √s=8 TeV
(American Physical Society, 2015-04-02)
Production of B+c mesons in proton-proton collisions at a center-of-mass energy of 8 TeV is studied with data corresponding to an integrated luminosity of 2.0 fb−1 recorded by the LHCb experiment. The ...
Measurement of ψ(2S) polarisation in pp collisions at s√ = 7 TeV
(Springer, 2014-05-20)
The polarisation of prompt ψ(2S) mesons is measured by performing an angular analysis of ψ(2S)→μ+μ− decays using proton-proton collision data, corresponding to an integrated luminosity of 1.0 fb −1, ...
Measurement of the CKM angle γ and B0s-B¯¯¯¯0s mixing frequency with B0s→D∓sh±π±π∓ decays
(Springer, 2021-03)
The CKM angle γ is measured for the first time from mixing-induced CP violation between B0s→D∓sK±π±π∓ and B¯¯¯¯0s→D±sK∓π∓π± decays reconstructed in proton-proton collision data corresponding to an ...
Test of Lepton Universality Using B+→K+ℓ+ℓ− Decays
(American Physical Society, 2014-10-06)
A measurement of the ratio of the branching fractions of the B+→K+μ+μ− and B+→K+e+e− decays is presented using proton-proton collision data, corresponding to an integrated luminosity of 3.0 fb−1, ...
Measurement of CP violation and constraints on the CKM angle γ in B±→DK±with D→K0S π+π− decays
(Elsevier, 2014-11)
A model-dependent amplitude analysis of B± → DK± with D → KS0π+π− decays is performed using proton–proton collision data, corresponding to an integrated luminosity of 1fb−1, recorded by LHCb at a ...
Measurement of J/Ψ production in pp collisions at s√=7 TeV
(Springer, 2011-05-19)
The production of J/ψ mesons in proton–proton collisions at s√=7\ensuremath TeV is studied with the LHCb detector at the LHC. The differential cross-section for prompt J/ψ production is measured as a ...
Measurements of the branching fractions and CP asymmetries of B± → J/ψ π± and B± → ψ(2S) π± decays
(American Physical Society, 2012-05-07)
A study of B±→J/ψπ± and B±→ψ(2S)π± decays is performed with data corresponding to 0.37 fb−1 of proton-proton collisions at √s=7 TeV. Their branching fractions are found to be B(B±→J/ψπ±)=(3.88±0.11± ...