E. Spiridenkov

activity

20232025

most citedMeasurement of the ratios of branching fractions

R (D^{*})

and

R (D^{0})

72 citations · 253 across the 31 of their papers we have counts for

collaborators

Showing 2024Show all

12 papers · 1 filter

hep-ex2024★ 3 cited

Test of lepton flavour universality with $B^{+} \to K^{+} π^{+} π^{-} ℓ^{+} ℓ^{-}$ decays

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

The first test of lepton flavor universality between muons and electrons using $B^{+} \to K^{+} π^{+} π^{-} ℓ^{+} ℓ^{-}$ ( $ℓ = e, μ$ ) decays is presented. The measurement is performed with d…

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★ 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★ 5 cited

Measurement of the effective leptonic weak mixing angle

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1120

Using $pp$ collision data at $s = 13$ TeV, recorded by the LHCb experiment between 2016 and 2018 and corresponding to an integrated luminosity of $5.4$ fb $^{- 1}$ , the forward-…

hep-ex2024★ 1 cited

Measurement of $C P$ violation in $B^{0} \to D^{+} D^{-}$ and $B_{s}^{0} \to D_{s}^{+} D_{s}^{-}$ decays

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

A time-dependent, flavour-tagged measurement of $C P$ violation is performed with $B^{0} \to D^{+} D^{-}$ and $B_{s}^{0} \to D_{s}^{+} D_{s}^{-}$ decays, using data…

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

Study of the rare decay $J / ψ \to μ^{+} μ^{-} μ^{+} μ^{-}$

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1099

The rare electromagnetic $J / ψ \to μ^{+} μ^{-} μ^{+} μ^{-}$ decay is observed with a significance greatly exceeding the discovery threshold, using proton-proton collision data collected by the…

hep-ex2024★ 1 cited

Precision measurement of the $Ξ_{b}^{-}$ baryon lifetime

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1067

A sample of $pp$ collision data, corresponding to an integrated luminosity of 5.5 fb $^{- 1}$ and collected by the LHCb experiment during LHC Run 2, is used to measure the ratio of t…

hep-ex2024★ 3 cited

Search for the lepton-flavor violating decay $B_{s}^{0} \to ϕ μ^{\pm} τ^{\mp}$

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1065

A search for the lepton-flavor violating decays $B_{s}^{0} \to ϕ μ^{\pm} τ^{\mp}$ is presented, using a sample of proton-proton collisions at center-of-mass energies of 7, 8, and 13 TeV, colle…

hep-ex2024★ 9 cited

Observation of the $B_{c}^{+} \to J / ψ π^{+} π^{0}$ decay

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

The first observation of the $B_{c}^{+} \to J / ψ π^{+} π^{0}$ decay is reported with high significance using proton-proton collision data, corresponding to an integrated luminosity of 9fb$^{…

Test of lepton flavour universality with B+→K+π+π−ℓ+ℓ− 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

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

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

Measurement of the effective leptonic weak mixing angle

Measurement of CP violation in B0→D+D− and Bs0​→Ds+​Ds−​ decays

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

Study of the rare decay J/ψ→μ+μ−μ+μ−

Precision measurement of the Ξb−​ baryon lifetime

Search for the lepton-flavor violating decay Bs0​→ϕμ±τ∓

Observation of the Bc+​→J/ψπ+π0 decay

Test of lepton flavour universality with $B^{+} \to K^{+} π^{+} π^{-} ℓ^{+} ℓ^{-}$ 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

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

Measurement of $C P$ violation in $B^{0} \to D^{+} D^{-}$ and $B_{s}^{0} \to D_{s}^{+} D_{s}^{-}$ decays

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

Study of the rare decay $J / ψ \to μ^{+} μ^{-} μ^{+} μ^{-}$

Precision measurement of the $Ξ_{b}^{-}$ baryon lifetime

Search for the lepton-flavor violating decay $B_{s}^{0} \to ϕ μ^{\pm} τ^{\mp}$

Observation of the $B_{c}^{+} \to J / ψ π^{+} π^{0}$ decay