A. Chubykin

activity

20232026

most citedObservation of the doubly-charmed-baryon decay

Ξ_{cc}^{++} \to Ξ_{c}^{0} π^{+} π^{+}

6 citations · 46 across the 34 of their papers we have counts for

collaborators

36 papers

hep-ex2026

Machine learning techniques for jet reconstruction at LHCb and application to the search for $H \to b b ˉ$ and $H \to c c ˉ$ in $s = 13$ TeV $pp$ collisions

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1194

Two machine learning techniques for jet measurements at the LHCb experiment are presented: a regression-based method for jet-energy calibration and a deep neural network algorithm…

hep-ex2025

Comprehensive analysis of the $B^{0} \to K^{* 0} μ^{+} μ^{-}$ decay

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1183

An analysis of the $B^{0} \to K^{* 0} (\to K^{+} π^{-}) μ^{+} μ^{-}$ decay is presented using proton-proton collision data collected by the LHCb experiment, corresponding to an inte…

hep-ex2025

Observation and investigation of the $T_{c c ˉ 1} (4430)^{+}$ structure in $B^{+} \to ψ (2 S) K_{S}^{0} π^{+}$ decays

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1184

The first four-dimensional amplitude analysis of the $B^{+} \to ψ (2 S) K_{S}^{0} π^{+}$ decay is performed with proton-proton collision data collected by the LHCb experiment…

hep-ex2025★ 1 cited

Branching fraction measurement of the $Λ \to p μ^{-} ν_{μ}$ decay

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1187

A measurement of the branching fraction for the decay $Λ \to p μ^{-} ν_{μ}$ is presented using $pp$ collision data collected by the LHCb experiment at a centre…

hep-ex2025★ 2 cited

Measurement of charged-hadron distributions in heavy-flavor jets in proton-proton collisions at $s$ =13 TeV

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1174

Charged-hadron distributions in heavy-flavor jets are measured in proton-proton collisions at a center-of-mass energy of $s$ = 13 TeV collected by the LHCb experiment. Distr…

hep-ex2025

Search for $K_{S (L)}^{0} \to π^{+} π^{-} μ^{+} μ^{-}$ decays at LHCb

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1183

A search for $K_{S (L)}^{0} \to π^{+} π^{-} μ^{+} μ^{-}$ decays is performed using proton-proton collision data collected by the LHCb experiment at a centre-of-mass en…

hep-ex2025

Study of charm mixing and CP violation with $D^{0} \to K^{\pm} π^{\mp} π^{\pm} π^{\mp}$ decays

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1188

A study of charm mixing and CP violation in $D^{0} \to K^{\pm} π^{\mp} π^{\pm} π^{\mp}$ decays is performed using data collected by the LHCb experiment in proton-proton collisions from 2015 to 2…

hep-ex2025

Measurement of the $W \to μ ν_{μ}$ cross-sections as a function of the muon transverse momentum in $pp$ collisions at 5.02 TeV

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1186

The $pp \to W^{\pm} (\to μ^{\pm} ν_{μ}) X$ cross-sections are measured at a proton-proton centre-of-mass energy $s = 5.02$ TeV using a dataset corresponding to an integrated l…

hep-ex2025★ 2 cited

First evidence of $C P$ violation in beauty baryon to charmonium decays

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1178

A study of the difference in the $C P$ asymmetries between $Λ_{b}^{0} \to J / ψ p π^{-}$ and $Λ_{b}^{0} \to J / ψ p K^{-}$ decays, $Δ A_{C P}$ , is performed using proton-prot…

hep-ex2025★ 2 cited

Observation of $B_{c}^{+} \to D h^{+} h^{-}$ decays

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1185

Searches are presented for $B_{c}^{+} \to D h^{+} h^{-}$ decays, where $D$ is a charmed meson and $h^{\pm}$ is a charged pion or kaon, using $pp$ collision data collected by the LHCb e…

hep-ex2025★ 1 cited

A model-independent measurement of the CKM angle $γ$ in the decays $B^{\pm} \to [K^{+} K^{-} π^{+} π^{-}]_{D} h^{\pm}$ and $B^{\pm} \to [π^{+} π^{-} π^{+} π^{-}]_{D} h^{\pm}$ ( $h = K, π$ )

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1164

A model-independent determination of the CKM angle $γ$ is presented, using the $B^{\pm} \to [K^{+} K^{-} π^{+} π^{-}]_{D} h^{\pm}$ and $B^{\pm} \to [π^{+} π^{-} π^{+} π^{-}]_{D} h^{\pm}$ decays, with $h = K, π$ . This meas…

hep-ex2025

Amplitude analysis of $B^{0} \to η_{c} (1 S) K^{+} π^{-}$ decays

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1185

An amplitude analysis of the $B^{0} \to η_{c} (1 S) K^{+} π^{-}$ decays with $η_{c} (1 S) \to p p ˉ$ is performed using a sample corresponding to an integrated luminosity of 9$\…

hep-ex2025

Inclusive $B$ -meson flavour-tagging algorithm at LHCb

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1179

A new algorithm is developed to identify the flavour of neutral $B$ mesons at production in $pp$ collisions by utilising all tracks from the hadronisation process. The algorithm is…

hep-ex2025

Deuteron identification via time of flight with LHCb

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1183

It is shown that the timing capabilities of the LHCb detector operated during the LHC Run 2 can be used to identify light ion particles with momenta of a few GeV/ $c$ . This is achie…

nucl-ex2025★ 3 cited

Measurement of transverse $Λ$ and $Λ ˉ$ hyperon polarization in $p$ Pb collisions at $s_{N N} = 5.02$ TeV

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

The transverse polarization of $Λ$ and $Λ ˉ$ hyperons is measured in $p$ Pb collisions collected by the LHCb experiment at a nucleon-nucleon center-of-mass energy of $5.02$ TeV. T…

hep-ex2025

Search for resonances decaying to photon pairs with masses between 4.9 and 19.4 GeV

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1144

A search is presented for axion-like particles (ALPs) with masses between 4.9 and 19.4 GeV decaying to a pair of photons, using proton-proton collisions collected with the LHCb det…

hep-ex2025★ 1 cited

Search for the decay $B^{0} \to ϕϕ$

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1160

A search for the decay $B^{0} \to ϕϕ$ is made using $pp$ collision data collected with the LHCb detector at centre-of-mass energies of 7, 8 and 13 TeV, corresponding to an in…

hep-ex2025★ 1 cited

Improved measurement of $η / η^{'}$ mixing in $B_{(s)}^{0} \to J / ψ η^{(')}$ decays

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

Branching fraction ratios between the decays $B_{(s)}^{0} \to J / ψ η^{(')}$ are measured using proton-proton collision data collected by the LHCb experiment at centre-of…

hep-ex2025

Precision measurement of the $Ξ_{b}^{0}$ baryon lifetime

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1176

A sample of $pp$ collision data, corresponding to an integrated luminosity of 5.4 fb $^{- 1}$ and collected by the LHCb experiment during LHC Run 2, is used to measure the ratio of t…

hep-ex2025★ 2 cited

First observation of the $Λ_{b}^{0} \to Λ_{c}^{+} D_{s}^{-} K^{+} K^{-}$ decay and search for pentaquarks in the $Λ_{c}^{+} D_{s}^{-}$ system

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1176

The $Λ_{b}^{0} \to Λ_{c}^{+} D_{s}^{-} K^{+} K^{-}$ decay is observed for the first time using the data sample from proton-proton collisions recorded at a center-o…

hep-ex2025★ 4 cited

Observation of orbitally excited $B_{c}^{+}$ states

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1155

The observation of a wide peaking structure in the $B_{c}^{+} γ$ mass spectrum is reported using proton-proton collision data collected by the LHCb detector at center-of-mass energ…

hep-ex2025★ 2 cited

Study of $B_{c} (1 P)^{+}$ states in the $B_{c}^{+} γ$ mass spectrum

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1155

The study of a wide peaking structure in the $B_{c}^{+} γ$ mass spectrum is reported using a data sample of proton-proton collisions collected by the LHCb detector at center-of-mas…

hep-ex2025

Updated measurement of $C P$ violation and polarisation in $B_{s}^{0} \to J / ψ K^{*} (892)^{0}$ decays

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1169

A time-integrated angular analysis of the decay $B_{s}^{0} \to J / ψ K^{*} (892)^{0}$ , with $J / ψ \to μ^{+} μ^{-}$ and $\overline{K}{}^{*}\kern-1pt(892)…

hep-ex2025★ 2 cited

Measurement of the $Ω_{c}^{0}$ and $Ξ_{c}^{0}$ baryon lifetimes using hadronic $b$ -baryon decays

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1143

The lifetimes of the $Ω_{c}^{0}$ and $Ξ_{c}^{0}$ baryons are measured using a $pp$ collision dataset collected by the LHCb experiment, corresponding to an integrated luminosity of $9~\rm{f…

Machine learning techniques for jet reconstruction at LHCb and application to the search for H→bbˉ and H→ccˉ in s​=13 TeV pp collisions

Comprehensive analysis of the B0→K∗0μ+μ− decay

Observation and investigation of the Tccˉ1​(4430)+ structure in B+→ψ(2S)KS0​π+ decays

Branching fraction measurement of the Λ→pμ−νμ​ decay

Measurement of charged-hadron distributions in heavy-flavor jets in proton-proton collisions at s​=13 TeV

Search for KS(L)0​→π+π−μ+μ− decays at LHCb

Study of charm mixing and CP violation with D0→K±π∓π±π∓ decays

Measurement of the W→μνμ​ cross-sections as a function of the muon transverse momentum in pp collisions at 5.02 TeV

First evidence of CP violation in beauty baryon to charmonium decays

Observation of Bc+​→Dh+h− decays

A model-independent measurement of the CKM angle γ in the decays B±→[K+K−π+π−]D​h± and B±→[π+π−π+π−]D​h± (h=K,π)

Amplitude analysis of B0→ηc​(1S)K+π− decays

Inclusive B-meson flavour-tagging algorithm at LHCb

Deuteron identification via time of flight with LHCb

Measurement of transverse Λ and Λˉ hyperon polarization in pPb collisions at sNN​​=5.02 TeV

Search for resonances decaying to photon pairs with masses between 4.9 and 19.4 GeV

Search for the decay B0→ϕϕ

Improved measurement of η/η′ mixing in B(s)0​→J/ψη(′) decays

Precision measurement of the Ξb0​ baryon lifetime

First observation of the Λb0​→Λc+​Ds−​K+K− decay and search for pentaquarks in the Λc+​Ds−​ system

Observation of orbitally excited Bc+​ states

Study of Bc​(1P)+ states in the Bc+​γ mass spectrum

Updated measurement of CP violation and polarisation in Bs0​→J/ψK∗(892)0 decays

Measurement of the Ωc0​ and Ξc0​ baryon lifetimes using hadronic b-baryon decays

Machine learning techniques for jet reconstruction at LHCb and application to the search for $H \to b b ˉ$ and $H \to c c ˉ$ in $s = 13$ TeV $pp$ collisions

Comprehensive analysis of the $B^{0} \to K^{* 0} μ^{+} μ^{-}$ decay

Observation and investigation of the $T_{c c ˉ 1} (4430)^{+}$ structure in $B^{+} \to ψ (2 S) K_{S}^{0} π^{+}$ decays

Branching fraction measurement of the $Λ \to p μ^{-} ν_{μ}$ decay

Measurement of charged-hadron distributions in heavy-flavor jets in proton-proton collisions at $s$ =13 TeV

Search for $K_{S (L)}^{0} \to π^{+} π^{-} μ^{+} μ^{-}$ decays at LHCb

Study of charm mixing and CP violation with $D^{0} \to K^{\pm} π^{\mp} π^{\pm} π^{\mp}$ decays

Measurement of the $W \to μ ν_{μ}$ cross-sections as a function of the muon transverse momentum in $pp$ collisions at 5.02 TeV

First evidence of $C P$ violation in beauty baryon to charmonium decays

Observation of $B_{c}^{+} \to D h^{+} h^{-}$ decays

A model-independent measurement of the CKM angle $γ$ in the decays $B^{\pm} \to [K^{+} K^{-} π^{+} π^{-}]_{D} h^{\pm}$ and $B^{\pm} \to [π^{+} π^{-} π^{+} π^{-}]_{D} h^{\pm}$ ( $h = K, π$ )

Amplitude analysis of $B^{0} \to η_{c} (1 S) K^{+} π^{-}$ decays

Inclusive $B$ -meson flavour-tagging algorithm at LHCb

Measurement of transverse $Λ$ and $Λ ˉ$ hyperon polarization in $p$ Pb collisions at $s_{N N} = 5.02$ TeV

Search for the decay $B^{0} \to ϕϕ$

Improved measurement of $η / η^{'}$ mixing in $B_{(s)}^{0} \to J / ψ η^{(')}$ decays

Precision measurement of the $Ξ_{b}^{0}$ baryon lifetime

First observation of the $Λ_{b}^{0} \to Λ_{c}^{+} D_{s}^{-} K^{+} K^{-}$ decay and search for pentaquarks in the $Λ_{c}^{+} D_{s}^{-}$ system

Observation of orbitally excited $B_{c}^{+}$ states

Study of $B_{c} (1 P)^{+}$ states in the $B_{c}^{+} γ$ mass spectrum

Updated measurement of $C P$ violation and polarisation in $B_{s}^{0} \to J / ψ K^{*} (892)^{0}$ decays

Measurement of the $Ω_{c}^{0}$ and $Ξ_{c}^{0}$ baryon lifetimes using hadronic $b$ -baryon decays