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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 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, ...
Determination of quantum numbers for several excited charmed mesons observed in B−→D*+π−π− decays
(American Physical Society, 2020-01)
A four-body amplitude analysis of the B−→D*+π−π− decay is performed, where fractions and relative phases of the various resonances contributing to the decay are measured. Several quasi-model-independent ...
Search for the Rare Decays B0s→e+e− and B0→e+e−
(American Physical Society, 2020-05)
A search for the decays B0s→e+e− and B0→e+e− is performed using data collected with the LHCb experiment in proton-proton collisions at center-of-mass energies of 7, 8, and 13 TeV, corresponding to ...
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 ...
Measurement of fs/fu Variation with Proton-Proton Collision Energy and B-Meson Kinematics
(American Physical Society, 2020-03)
The ratio of the B0s and B+ fragmentation fractions fs and fu is studied with B0s→J/ψϕ and B+→J/ψK+ decays using data collected by the LHCb experiment in proton-proton collisions at 7, 8, and 13 TeV ...
First Observation of Excited Ω−b States
(American Physical Society, 2020-02)
We report four narrow peaks in the Ξ0bK− mass spectrum obtained using pp collisions at center-of-mass energies of 7, 8, and 13 TeV, corresponding to a total integrated luminosity of 9 fb−1 recorded by ...
Measurement of the ηc(1S) production cross-section in p p collisions at s√=13 TeV
(Springer, 2020-03)
Using a data sample corresponding to an integrated luminosity of 2.0 fb−1, collected by the LHCb experiment, the production of the ηc(1S) state in proton–proton collisions at a centre-of-mass energy of ...
Search for CP violation in D+(s)→h+π0 and D+(s)→h+η decays
(Springer, 2021-06)
Searches for CP violation in the two-body decays D+(s)→h+π0 and D+(s)→h+η (where h+ denotes a π+ or K+ meson) are performed using pp collision data collected by the LHCb experiment corresponding to ...