E. Ursov

activity

20202025

most citedObservation of an exotic narrow doubly charmed tetraquark

403 citations · 3.5k across the 137 of their papers we have counts for

collaborators

137 papers

hep-ex2025★ 1 cited

Amplitude analysis of the $Ξ_{c}^{+} \to p K^{-} π^{+}$ decay and $Ξ_{c}^{+}$ baryon polarization measurement in semileptonic beauty-hadron decays

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1128

An amplitude analysis of the $Ξ_{c}^{+} \to p K^{-} π^{+}$ decay together with a measurement of the $Ξ_{c}^{+}$ polarization vector in semileptonic beauty-hadron decays is presented. The analysis…

nucl-ex2025

Coherent photoproduction of $ρ^{0}, ω$ and excited vector mesons in ultraperipheral PbPb collisions

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1132

The invariant-mass distribution for the coherent photoproduction of dipions in ultraperipheral PbPb collisions is measured using data, corresponding to an integrated luminosity of…

hep-ex2025

Branching fraction measurement of the decay $B^{+} \to ψ (2 S) ϕ (1020) K^{+}$

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1133

The branching fraction of the decay $B^{+} \to ψ (2 S) ϕ (1020) K^{+}$ , relative to the topologically similar decay $B^{+} \to J / ψ ϕ (1020) K^{+}$ , is measured using proton-proton collision data co…

hep-ex2025★ 2 cited

Angular analysis of $B^{0} \to K^{* 0} e^{+} e^{-}$ decays

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1118

An angular analysis of $B^{0} \to K^{* 0} e^{+} e^{-}$ decays is presented using proton-proton collision data collected by the LHCb experiment at centre-of-mass energies of 7, 8…

physics.ins-det2025★ 4 cited

Installation and performance of the 3rd Veto plane at the SND@LHC detector

LHC Collaboration

During 2022/2023 the optimal inefficiency of the Veto system of the SND@LHC detector was measured to be $(7.8 \pm 2.8) \times 1 0^{- 8}$ . To reduce this inefficiency, a third Veto plane…

hep-ex2025★ 3 cited

Evidence for $B^{-} \to D^{** 0} τ^{-} ν_{τ}$ decays

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1132

The first evidence for the decay $B^{-} \to D^{** 0} τ^{-} ν_{τ}$ is obtained using proton-proton collision data collected by the LHCb experiment, corresponding to an inte…

hep-ex2025

Measurement of the multiplicity dependence of $\mitΥ$ production ratios in $pp$ collisions at $s = 13$ TeV

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1132

The $\mitΥ(\mathrm{2}S)$ and $\mitΥ(\mathrm{3}S)$ production cross-sections are measured relative to that of the $\mitΥ(\mathrm{1}S)$ meson, as a function of charged-particle multi…

hep-ex2024★ 2 cited

Measurement of $C P$ asymmetry in $B_{s}^{0} \to D_{s}^{\mp} K^{\pm}$ decays

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1119

A measurement of the $C P$ -violating parameters in $B_{s}^{0} \to D_{s}^{\mp} K^{\pm}$ decays is reported, based on the analysis of proton-proton collision data collected by the LHCb expe…

hep-ex2024★ 7 cited

Observation of the open-charm tetraquark candidate $T_{cs 0}^{*} (2870)^{0}$ in the $B^{-} \to D^{-} D^{0} K_{S}^{0}$ decay

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1133

An amplitude analysis of $B^{-} \to D^{-} D^{0} K_{S}^{0}$ decays is performed using proton-proton collision data, corresponding to an integrated luminosity of $9\,\text{fb}^…

hep-ex2024★ 19 cited

Study of $\itΛ_{\it{b}}^\rm{0}$ and $\itΞ_{\it{b}}^\rm{0}$ decays to $Λ h^{+} h^{^{'} -}$ and evidence for $C P$ violation in $\itΛ_{\it{b}}^\rm{0}\to\itΛ K^+K^-$ decays

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1134

A study of $\itΛ_{\it{b}}^\rm{0}$ and $\itΞ_{\it{b}}^\rm{0}$ decays to $Λ h^{+} h^{' -}$ $(h^{(')} = π, K)$ is performed using $pp$ collision data collected by the LHCb…

hep-ex2024★ 7 cited

First evidence for direct CP violation in beauty to charmonium decays

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1131

The $C P$ asymmetry and branching fraction of the CKM-suppressed decay $B^{+} \to J / ψ π^{+}$ are precisely measured relative to the favoured decay $B^+\!\to J\…

hep-ex2024★ 4 cited

Constraints on the photon polarisation in $b \to s γ$ transitions using $B_{s}^{0} \to ϕ e^{+} e^{-}$ decays

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1124

An angular analysis of the $B_{s}^{0} \to ϕ e^{+} e^{-}$ decay is performed using the proton-proton collision dataset collected between 2011 and 2018 by the LHCb experiment, correspo…

nucl-ex2024

Measurement of the $ψ (2 S)$ to $J / ψ$ cross-section ratio as a function of centrality in PbPb collisions at $s_{NN}$ = 5.02 TeV

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1133

The dissociation of quarkonium states with different binding energies produced in heavy-ion collisions is a powerful probe for investigating the formation and properties of the qua…

hep-ex2024★ 9 cited

Study of $D_{s 1} (2460)^{+} \to D_{s}^{+} π^{+} π^{-}$ in $B \to D ˉ^{(*)} D_{s}^{+} π^{+} π^{-}$ decays

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1129

An amplitude analysis of the $D_{s 1} (2460)^{+} \to D_{s}^{+} π^{+} π^{-}$ transition is performed simultaneously in $B^{0} \to D^{-} D_{s}^{+} π^{+} π^{-}$ , $B^{+}\to{\bar{D}}^{0} D_{s}^{+}…

hep-ex2024★ 2 cited

Measurement of the CKM angle $γ$ in $B^{\pm} \to D K^{*} (892)^{\pm}$ decays

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1114

Measurements of $C P$ observables and the CKM angle $γ$ are performed in $B^{\pm} \to D K^{*} (892)^{\pm}$ decays, where $D$ represents a superposition of $D^{0}$ and $D^{0}$ …

hep-ex2024★ 5 cited

Measurements of $ψ (2 S)$ and $χ_{c 1} (3872)$ production within fully reconstructed jets

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1114

This paper presents the first measurement of $ψ (2 S)$ and $χ_{c 1} (3872)$ meson production within fully reconstructed jets. Each quarkonium state (tag) is reconstructed via its dec…

hep-ex2024★ 9 cited

Test of lepton flavour universality with $B_{s}^{0} \to ϕ ℓ^{+} ℓ^{-}$ decays

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1128

Lepton flavour universality in rare $b \to s$ transitions is tested for the first time using $B_{s}^{0}$ meson decays. The measurements are performed using $pp$ collision data c…

hep-ex2024

Search for $B_{(s)}^{* 0} \to μ^{+} μ^{-}$ in $B_{c}^{+} \to π^{+} μ^{+} μ^{-}$ decays

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1116

A search for the very rare $B^{* 0} \to μ^{+} μ^{-}$ and $B_{s}^{* 0} \to μ^{+} μ^{-}$ decays is conducted by analysing the $B_{c}^{+} \to π^{+} μ^{+} μ^{-}$ process. The analysis uses proton-proton collision…

hep-ex2024★ 8 cited

Measurement of exclusive $J / ψ$ and $ψ (2 S)$ production at $s = 13$ TeV

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1075

Measurements are presented of the cross-section for the central exclusive production of $J / ψ \to μ^{+} μ^{-}$ and $ψ (2 S) \to μ^{+} μ^{-}$ processes in proton-proton collisions at $\sqrt{s} = 13…

hep-ex2024★ 2 cited

Measurement of $C P$ violation observables in $D^{+} \to K^{-} K^{+} π^{+}$ decays

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

A search for violation of the charge-parity $C P$ symmetry in the $D^{+} \to K^{-} K^{+} π^{+}$ decay is presented, with proton-proton collision data corresponding to an integrated l…

hep-ex2024★ 4 cited

Measurement of $D^{0} - D^{0}$ mixing and search for $C P$ violation with $D^{0} \to K^{+} π^{-}$ decays

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1073

A measurement of the time-dependent ratio of the $D^{0} \to K^{+} π^{-}$ to $D^{0} \to K^{+} π^{-}$ decay rates is reported. The analysis uses a sample of proton-proton…

hep-ex2024★ 5 cited

Observation of exotic $J / ψ ϕ$ resonant structure in diffractive processes in proton-proton collisions

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1072

The first study of $J / ψ ϕ$ production in diffractive processes in proton-proton collisions is presented. The study is based on an LHCb dataset recorded at centre-of-mass energy of 1…

hep-ex2024★ 4 cited

Study of charmonium production via the decay to $p p ˉ$ at $s = 13 T e V$

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1063

Charmonium production cross-section in proton-proton collisions is measured at the centre-of-mass energy $s = 13 T e V$ using decays to $p p ˉ$ final state. The study is per…

hep-ex2024★ 5 cited

Amplitude analysis of $B^{+} \to ψ (2 S) K^{+} π^{+} π^{-}$ decays

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1096

The first full amplitude analysis of $B^{+} \to ψ (2 S) K^{+} π^{+} π^{-}$ decays is performed using proton-proton collision data corresponding to an integrated luminosity of $9\,\text{fb}^{…

Amplitude analysis of the Ξc+​→pK−π+ decay and Ξc+​ baryon polarization measurement in semileptonic beauty-hadron decays

Coherent photoproduction of ρ0,ω and excited vector mesons in ultraperipheral PbPb collisions

Branching fraction measurement of the decay B+→ψ(2S)ϕ(1020)K+

Angular analysis of B0→K∗0e+e− decays

Installation and performance of the 3rd Veto plane at the SND@LHC detector

Evidence for B−→D∗∗0τ−ντ​​ decays

Measurement of the multiplicity dependence of $\mitΥ$ production ratios in pp collisions at s​=13 TeV

Measurement of CP asymmetry in Bs0​→Ds∓​K± decays

Observation of the open-charm tetraquark candidate Tcs0∗​(2870)0 in the B−→D−D0KS0​ decay

Study of $\itΛ_{\it{b}}^\rm{0}$ and $\itΞ_{\it{b}}^\rm{0}$ decays to Λh+h′− and evidence for CP violation in $\itΛ_{\it{b}}^\rm{0}\to\itΛ K^+K^-$ decays

First evidence for direct CP violation in beauty to charmonium decays

Constraints on the photon polarisation in b→sγ transitions using Bs0​→ϕe+e− decays

Measurement of the ψ(2S) to J/ψ cross-section ratio as a function of centrality in PbPb collisions at sNN​​ = 5.02 TeV

Study of Ds1​(2460)+→Ds+​π+π− in B→Dˉ(∗)Ds+​π+π− decays

Measurement of the CKM angle γ in B±→DK∗(892)± decays

Measurements of ψ(2S) and χc1​(3872) production within fully reconstructed jets

Test of lepton flavour universality with Bs0​→ϕℓ+ℓ− decays

Search for B(s)∗0​→μ+μ− in Bc+​→π+μ+μ− decays

Measurement of exclusive J/ψ and ψ(2S) production at s​=13 TeV

Measurement of CP violation observables in D+→K−K+π+ decays

Measurement of D0−D0 mixing and search for CP violation with D0→K+π− decays

Observation of exotic J/ψϕ resonant structure in diffractive processes in proton-proton collisions

Study of charmonium production via the decay to ppˉ​ at s​=13TeV

Amplitude analysis of B+→ψ(2S)K+π+π− decays

Amplitude analysis of the $Ξ_{c}^{+} \to p K^{-} π^{+}$ decay and $Ξ_{c}^{+}$ baryon polarization measurement in semileptonic beauty-hadron decays

Coherent photoproduction of $ρ^{0}, ω$ and excited vector mesons in ultraperipheral PbPb collisions

Branching fraction measurement of the decay $B^{+} \to ψ (2 S) ϕ (1020) K^{+}$

Angular analysis of $B^{0} \to K^{* 0} e^{+} e^{-}$ decays

Evidence for $B^{-} \to D^{** 0} τ^{-} ν_{τ}$ decays

Measurement of the multiplicity dependence of $\mitΥ$ production ratios in $pp$ collisions at $s = 13$ TeV

Measurement of $C P$ asymmetry in $B_{s}^{0} \to D_{s}^{\mp} K^{\pm}$ decays

Observation of the open-charm tetraquark candidate $T_{cs 0}^{*} (2870)^{0}$ in the $B^{-} \to D^{-} D^{0} K_{S}^{0}$ decay

Study of $\itΛ_{\it{b}}^\rm{0}$ and $\itΞ_{\it{b}}^\rm{0}$ decays to $Λ h^{+} h^{^{'} -}$ and evidence for $C P$ violation in $\itΛ_{\it{b}}^\rm{0}\to\itΛ K^+K^-$ decays

Constraints on the photon polarisation in $b \to s γ$ transitions using $B_{s}^{0} \to ϕ e^{+} e^{-}$ decays

Measurement of the $ψ (2 S)$ to $J / ψ$ cross-section ratio as a function of centrality in PbPb collisions at $s_{NN}$ = 5.02 TeV

Study of $D_{s 1} (2460)^{+} \to D_{s}^{+} π^{+} π^{-}$ in $B \to D ˉ^{(*)} D_{s}^{+} π^{+} π^{-}$ decays

Measurement of the CKM angle $γ$ in $B^{\pm} \to D K^{*} (892)^{\pm}$ decays

Measurements of $ψ (2 S)$ and $χ_{c 1} (3872)$ production within fully reconstructed jets

Test of lepton flavour universality with $B_{s}^{0} \to ϕ ℓ^{+} ℓ^{-}$ decays

Search for $B_{(s)}^{* 0} \to μ^{+} μ^{-}$ in $B_{c}^{+} \to π^{+} μ^{+} μ^{-}$ decays

Measurement of exclusive $J / ψ$ and $ψ (2 S)$ production at $s = 13$ TeV

Measurement of $C P$ violation observables in $D^{+} \to K^{-} K^{+} π^{+}$ decays

Measurement of $D^{0} - D^{0}$ mixing and search for $C P$ violation with $D^{0} \to K^{+} π^{-}$ decays

Observation of exotic $J / ψ ϕ$ resonant structure in diffractive processes in proton-proton collisions

Study of charmonium production via the decay to $p p ˉ$ at $s = 13 T e V$

Amplitude analysis of $B^{+} \to ψ (2 S) K^{+} π^{+} π^{-}$ decays