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Now showing items 11-20 of 21
Test of lepton universality with Λ0b→pK−ℓ+ℓ− decays
(Springer, 2020-04)
The ratio of branching fractions of the decays Λ0b → pK−e+e− and Λ0b → pK−μ+μ−, R−1pK, is measured for the first time using proton-proton collision data corresponding to an integrated luminosity of 4.7 ...
Searches for 25 rare and forbidden decays of D+ and D+s mesons
(Springer, 2021-06)
A search is performed for rare and forbidden charm decays of the form D+(s)→h±ℓ+ℓ(′)∓, where h± is a pion or kaon and ℓ(′)± is an electron or muon. The measurements are performed using proton-proton ...
Observation of a new baryon state in the Λ0bπ+π− mass spectrum
(Springer, 2020-06)
A new baryon state is observed in the Λ0bπ+π− mass spectrum with high significance using a data sample of pp collisions, collected with the LHCb detector at centre-of-mass energies s√ = 7, 8 and 13 TeV, ...
Observation of a New Excited D+s Meson in B0→D−D+K+π− Decays
(American Physical Society, 2021-03)
Using pp collision data corresponding to an integrated luminosity of 5.4 fb−1 collected with the LHCb detector at a center-of-mass energy of 13 TeV, the B0→D−D+K+π− decay is studied. A new excited D+s ...
Measurement of the Λ0b → J/ψΛ angular distribution angular distribution and the Λ0b polarisation in pp collisions
(Springer, 2020-06-17)
This paper presents an analysis of the Λ0b→ J/ψΛ angular distribution and the transverse production polarisation of Λ0b baryons in proton-proton collisions at centre-of-mass energies of 7, 8 and 13 TeV. ...
Observation of the decay Λ0b → χc1pπ−
(Springer, 2021-05)
The Cabibbo-suppressed decay Λ0b → χc1pπ− is observed for the first time using data from proton-proton collisions corresponding to an integrated luminosity of 6 fb−1, collected with the LHCb detector ...
Observation of a new Ξ0b state
(American Physical Society, 2021-01)
Using a proton-proton collision data sample collected by the LHCb experiment, corresponding to anintegrated luminosity of8.5fb−1, the observation of a new excitedΞ0bresonance decaying to theΞ−bπþfinal ...
Measurement of CP observables in B± → DK± and B± → Dπ± with D → K0SK±π∓ decays
(Springer, 2020-05)
Measurements of CP observables in B± → DK± and B± → Dπ± decays are presented, where D represents a superposition of D0 and D¯¯¯¯0 states. The D meson is reconstructed in the three-body final states ...
Measurement of CP Violation in the Decay B+→K+π0
(American Physical Society, 2021-03)
A measurement of CP violation in the decay B+→K+π0 is reported using data corresponding to an integrated luminosity of 5.4 fb−1 collected with the LHCb experiment at a center-of-mass energy of √s=13 TeV. ...
Observation of the B0s → D*±D∓ decay
(Springer, 2021-03)
A search for the B0s
→ D*±D∓ decay is performed using proton-proton collision data at centre-of-mass energies of 7, 8 and 13 TeV collected by the LHCb experiment, corresponding to an integrated luminosity ...