Anastasiia Kozachuk

activity

20162025

most citedThe LHCb upgrade I

78 citations · 251 across the 15 of their papers we have counts for

collaborators

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15 papers · 1 filter

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

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★ 47 cited

Observation of charge-parity symmetry breaking in baryon decays

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1136

The Standard Model of particle physics-the theory of particles and interactions at the smallest scale-predicts that matter and antimatter interact differently due to violation of t…

hep-ex2024★ 5 cited

First observation of $Λ_{b}^{0} \to Σ_{c}^{() ++} D^{() -} K^{-}$ decays

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1071

The four decays, $Λ_{b}^{0} \to Σ_{c}^{(*) ++} D^{(*) -} K^{-}$ , are observed for the first time using proton-proton collision data collected with the LHCb detector at a centre…

hep-ex2024★ 1 cited

Amplitude analysis of the $Λ_{b}^{0} \to p K^{-} γ$ decay

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1088

The resonant structure of the radiative decay $Λ_{b}^{0} \to p K^{-} γ$ in the region of proton-kaon invariant-mass up to 2.5 GeV $/ c^{2}$ is studied using proton-proton collision data recorde…

hep-ex2024★ 5 cited

First observation of the $Λ_{b}^{0} \to D^{+} D^{-} Λ$ decay

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

The $Λ_{b}^{0} \to D^{+} D^{-} Λ$ decay is observed for the first time using proton-proton collision data collected by the LHCb experiment at a center-of-mass energy of $13 TeV$ ,…

hep-ex2024★ 2 cited

Study of $C P$ violation in $B_{(s)}^{0} \to D K^{*} (892)^{0}$ decays with $D \to K π (π π)$ , $π π (π π)$ , and $K K$ final states

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1076

A measurement of $C P$ -violating observables associated with the interference of $B^{0} \to D^{0} K^{*} (892)^{0}$ and $B^{0} \to D ˉ^{0} K^{*} (892)^{0}$ decay amplitudes is performed in the $D^…

hep-ex2023★ 78 cited

The LHCb upgrade I

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1305

The LHCb upgrade represents a major change of the experiment. The detectors have been almost completely renewed to allow running at an instantaneous luminosity five times larger th…

hep-ex2016★ 12 cited

Observation of the decay $Ξ_{b}^{-} \to p K^{-} K^{-}$

LHCb collaboration, R. Aaij, B. Adeva +764

Decays of the $Ξ_{b}^{-}$ and $Ω_{b}^{-}$ baryons to the charmless final states $p h^{-} h^{' -}$ , where $h^{(')}$ denotes a kaon or pion, are searched for with the LHCb detector.…

hep-ex2016★ 21 cited

Search for decays of neutral beauty mesons into four muons

LHCb collaboration, R. Aaij, B. Adeva +768

A search for the non-resonant decays $B_{s}^{0} \to μ^{+} μ^{-} μ^{+} μ^{-}$ and $B^{0} \to μ^{+} μ^{-} μ^{+} μ^{-}$ is presented. The measurement is performed using the full R…

hep-ex2016★ 16 cited

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

LHCb collaboration, R. Aaij, B. Adeva +767

The $C P$ violation observables $S$ and $C$ in the decay channel $B^{0} \to D^{+} D^{-}$ are determined from a sample of proton-proton collisions at center-of-mass energies of 7…

hep-ex2016★ 13 cited

Search for the suppressed decays $B^{+} \to K^{+} K^{+} π^{-}$ and $B^{+} \to π^{+} π^{+} K^{-}$

LHCb collaboration, R. Aaij, B. Adeva +761

A search is made for the highly-suppressed B meson decays $B^{+} \to K^{+} K^{+} π^{-}$ and $B^{+} \to π^{+} π^{+} K^{-}$ using a data sample corresponding to an integrat…

hep-ex2016★ 46 cited

Measurement of the forward Z boson production cross-section in pp collisions at $s = 13$ TeV

LHCb collaboration, R. Aaij, B. Adeva +759

A measurement of the production cross-section of Z bosons in pp collisions at $s = 13$ TeV is presented using dimuon and dielectron final states in LHCb data. The cross-sect…

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)

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

Observation of charge-parity symmetry breaking in baryon decays

First observation of Λb0​→Σc(∗)++​D(∗)−K− decays

Amplitude analysis of the Λb0​→pK−γ decay

First observation of the Λb0​→D+D−Λ decay

Study of CP violation in B(s)0​→DK∗(892)0 decays with D→Kπ(ππ), ππ(ππ), and KK final states