E. Spiridenkov

activity

20222025

most citedStudy 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

19 citations · 79 across the 16 of their papers we have counts for

collaborators

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16 papers · 1 filter

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★ 4 cited

Search for charge-parity violation in semileptonically tagged $D^{0} \to K^{+} π^{-}$ decays

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

An analysis of the flavour oscillations of the charmed neutral meson is presented. The ratio of $D^{0} \to K^{+} π^{-}$ and $D^{0} \to K^{-} π^{+}$ decay rates is measured as a fun…

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★ 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★ 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★ 13 cited

Probing the nature of the $χ_{c 1} (3872)$ state using radiative decays

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1097

The radiative decays $χ_{c 1} (3872) \to ψ (2 S) γ$ and $χ_{c 1} (3872) \to J / ψ γ$ are used to probe the~nature of the~ $χ_{c 1} (3872)$ state using proton-proton collision data…

hep-ex2024

Study of $b$ -hadron decays to $Λ_{c}^{+} h^{-} h^{' -}$ final states

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

Decays of $Ξ_{b}^{-}$ and $Ω_{b}^{-}$ baryons to $Λ_{c}^{+} h^{-} h^{' -}$ final states, with $h^{-} h^{' -}$ being $π^{-} π^{-}$ , $K^{-} π^{-}$ and $K^{-} K^{-}$ meson pairs…

hep-ex2024★ 14 cited

Modification of $χ_{c 1}$ (3872) and $ψ$ (2 $S$ ) production in $p$ Pb collisions at $s_{N N} = 8.16$ TeV

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1085

The LHCb collaboration measures production of the exotic hadron $χ_{c 1}$ (3872) in proton-nucleus collisions for the first time. Comparison with the charmonium state $ψ$ (2 $S$ ) sugge…

hep-ex2023★ 6 cited

Multiplicity dependence of $σ_{ψ (2 S)} / σ_{J / ψ}$ in $pp$ collisions at $s = 13$ TeV

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1087

The ratio of production cross-sections of $ψ (2 S)$ over $J / ψ$ mesons as a function of charged-particle multiplicity in proton-proton collisions at a centre-of-mass energy $\sqrt{s}=…

hep-ex2023★ 3 cited

Measurement of associated $J / ψ$ - $ψ (2 S)$ production cross-section in $pp$ collisions at $s = 13$ TeV

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

The cross-section of associated $J / ψ$ - $ψ (2 S)$ production in proton-proton collisions at a centre-of-mass energy of $s = 13$ TeV is measured using a data sample corresponding t…

hep-ex2023★ 4 cited

Observation of $Λ_{b}^{0} \to Λ_{c}^{+} D ˉ^{() 0} K^{-}$ and $Λ_{b}^{0} \to Λ_{c}^{+} D_{s}^{-}$ decays

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1081

The decays $Λ_{b}^{0} \to Λ_{c}^{+} D ˉ^{(*) 0} K^{-}$ and $Λ_{b}^{0} \to Λ_{c}^{+} D_{s}^{*-}$ are observed for the first time, in proton-proton collision data at $s = 13$ TeV corresponding to a…

hep-ex2023★ 1 cited

Search for $CP$ violation in the phase space of $D^{0} \to K_{S}^{0} K^{\pm} π^{\mp}$ decays with the energy test

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1091

A search for $CP$ violation in $D^{0} \to K_{S}^{0} K^{+} π^{-}$ and $D^{0} \to K_{S}^{0} K^{-} π^{+}$ decays is reported. The search is performed using…

hep-ex2023★ 4 cited

Helium identification with LHCb

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

The identification of helium nuclei at LHCb is achieved using a method based on measurements of ionisation losses in the silicon sensors and timing measurements in the Outer Tracke…

hep-ex2023★ 1 cited

Study of the Bose-Einstein correlations of same-sign pions in proton-lead collisions

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1045

Correlations of same-sign charged particles are analysed using proton-lead collision data collected by the LHCb experiment at a nucleon-nucleon centre-of-mass energy of 5.02 TeV, c…

hep-ex2023★ 4 cited

Measurement of the mass difference and relative production rate of the $Ω_{b}^{-}$ and $Ξ_{b}^{-}$ baryons

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1050

The mass difference between the $Ω_{b}^{-}$ and $Ξ_{b}^{-}$ baryons is measured using proton-proton collision data collected by the LHCb experiment, corresponding to an integrated luminosi…

hep-ex2022★ 3 cited

Long-lived particle reconstruction downstream of the LHCb magnet

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1113

Charged-particle trajectories are usually reconstructed with the LHCb detector using combined information from the tracking devices placed upstream and downstream of the 4\,T\,m di…

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

Search for charge-parity violation in semileptonically tagged D0→K+π− decays

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

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

Analysis of Λb0​→pK−μ+μ− decays

Probing the nature of the χc1​(3872) state using radiative decays

Study of b-hadron decays to Λc+​h−h′− final states

Modification of χc1​(3872) and ψ(2S) production in pPb collisions at sNN​​=8.16 TeV

Multiplicity dependence of σψ(2S)​/σJ/ψ​ in pp collisions at s​=13 TeV

Measurement of associated J/ψ-ψ(2S) production cross-section in pp collisions at s​=13 TeV

Observation of Λb0​→Λc+​Dˉ(∗)0K− and Λb0​→Λc+​Ds∗−​ decays

Search for CP violation in the phase space of D0→KS0​K±π∓ decays with the energy test

Helium identification with LHCb

Study of the Bose-Einstein correlations of same-sign pions in proton-lead collisions

Measurement of the mass difference and relative production rate of the Ωb−​ and Ξb−​ baryons

Long-lived particle reconstruction downstream of the LHCb magnet

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

Search for charge-parity violation in semileptonically tagged $D^{0} \to K^{+} π^{-}$ decays

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

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

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

Probing the nature of the $χ_{c 1} (3872)$ state using radiative decays

Study of $b$ -hadron decays to $Λ_{c}^{+} h^{-} h^{' -}$ final states

Modification of $χ_{c 1}$ (3872) and $ψ$ (2 $S$ ) production in $p$ Pb collisions at $s_{N N} = 8.16$ TeV

Multiplicity dependence of $σ_{ψ (2 S)} / σ_{J / ψ}$ in $pp$ collisions at $s = 13$ TeV

Measurement of associated $J / ψ$ - $ψ (2 S)$ production cross-section in $pp$ collisions at $s = 13$ TeV

Observation of $Λ_{b}^{0} \to Λ_{c}^{+} D ˉ^{() 0} K^{-}$ and $Λ_{b}^{0} \to Λ_{c}^{+} D_{s}^{-}$ decays

Search for $CP$ violation in the phase space of $D^{0} \to K_{S}^{0} K^{\pm} π^{\mp}$ decays with the energy test

Measurement of the mass difference and relative production rate of the $Ω_{b}^{-}$ and $Ξ_{b}^{-}$ baryons