U. Uwer

activity

20112025

most citedStrong constraints on the rare decays Bs -> mu+ mu- and B0 -> mu+ mu-

198 citations · 1.8k across the 41 of their papers we have counts for

collaborators

41 papers

hep-ex2025

Observation of the rare baryonic decay $B^{+} \to p Λ ˉ$ and measurement of its weak decay parameter

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1182

The first observation of the decay $B^{+} \to p Λ ˉ$ is presented, using proton-proton collision data collected by the LHCb experiment between 2016 and 2018 at a cent…

hep-ex2024★ 1 cited

Analysis of $Λ_{b}^{0} \to p K^{-} μ^{+} μ^{-}$ decays

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1117

The differential branching fraction and angular coefficients of $Λ_{b}^{0} \to p K^{-} μ^{+} μ^{-}$ decays are measured in bins of the dimuon mass squared and dihadron mass.…

hep-ex2024★ 6 cited

First determination of the spin-parity of $Ξ_{c} (3055)^{+, 0}$ baryons

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1112

The $Ξ_{b}^{0 (-)} \to Ξ_{c} (3055)^{+ (0)} (\to D^{+ (0)} Λ) π^{-}$ decay chains are observed, and the spin-parity of $Ξ_{c} (3055)^{+ (0)}$ baryons is determined for the first time. The m…

hep-ex2024★ 7 cited

Transverse polarization measurement of $Λ$ hyperons in $p$ Ne collisions at $s_{N N}$ = 68.4 GeV with the $\mbox{LHCb}$ detector

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1068

A measurement of the transverse polarization of the $Λ$ and $Λ ˉ$ hyperons in $p$ Ne fixed-target collisions at $s_{N N}$ = 68.4 GeV is presented using data collected by the…

hep-ex2024★ 5 cited

Prompt and nonprompt $ψ (2 S)$ production in $p$ Pb collisions at $s_{N N} = 8.16$ TeV

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1082

The production of $ψ (2 S)$ mesons in proton-lead collisions at a centre-of-mass energy per nucleon pair of $s_{N N} = 8.16$ TeV is studied with the LHCb detector using data corr…

hep-ex2023★ 8 cited

Measurement of $J / ψ$ -pair production in $pp$ collisions at $s = 13$ TeV and study of gluon transverse-momentum dependent PDFs

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1080

The production cross-section of $J / ψ$ pairs in proton-proton collisions at a centre-of-mass energy of $s = 13$ TeV is measured using a data sample corresponding to an integrat…

Observation of the rare baryonic decay B+→pΛˉ and measurement of its weak decay parameter

Analysis of Λb0​→pK−μ+μ− decays

First determination of the spin-parity of Ξc​(3055)+,0 baryons

Transverse polarization measurement of Λ hyperons in pNe collisions at sNN​​ = 68.4 GeV with the $\mbox{LHCb}$ detector

Prompt and nonprompt ψ(2S) production in pPb collisions at sNN​​=8.16 TeV