L. Shekhtman

activity

20122025

most citedObservation of the doubly charmed baryon

Ξ_{cc}^{++}

523 citations · 706 across the 7 of their papers we have counts for

collaborators

7 papers

hep-ex2025

Observation of the rare baryonic decay $B^{+} \to p Λ ˉ$ and measurement of its weak decay parameter

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

The first observation of the decay $B^{+} \to p Λ ˉ$ is presented, using proton-proton collision data collected by the LHCb experiment between 2016 and 2018 at a cent…

hep-ex2022★ 11 cited

Study of charmonium and charmonium-like contributions in $B^{+} \to J / ψ η K^{+}$ decays

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +995

A study of $B^{+} \to J / ψ η K^{+}$ decays, followed by $J / ψ \to μ^{+} μ^{-}$ and $η \to γ γ$ , is performed using a dataset collected with the LHCb detector in proton-pro…

hep-ex2020★ 3 cited

Observation of the $Λ_{b}^{0} \to Λ_{c}^{+} K^{+} K^{-} π^{-}$ decay

LHCb collaboration, R. Aaij, C. Abellán Beteta +975

The $Λ_{b}^{0} \to Λ_{c}^{+} K^{+} K^{-} π^{-}$ decay is observed for the first time using a data sample of proton-proton collisions at centre-of-mass energies of $s = 7$ …

hep-ex2019★ 72 cited

Observation of an excited $B_{c}^{+}$ state

LHCb collaboration, R. Aaij, C. Abellán Beteta +848

Using $pp$ collision data corresponding to an integrated luminosity of $8.5 fb^{- 1}$ recorded by the LHCb experiment at centre-of-mass energies of $s = 7$ , $8$ and…

hep-ex2017★ 523 cited

Observation of the doubly charmed baryon $Ξ_{cc}^{++}$

LHCb collaboration, R. Aaij, B. Adeva +805

A highly significant structure is observed in the $Λ_{c}^{+} K^{-} π^{+} π^{+}$ mass spectrum, where the $Λ_{c}^{+}$ baryon is reconstructed in the decay mode $p K^{-} π^{+}$ . The structure is consistent…

hep-ex2012★ 21 cited

Measurement of the $B_{s}^{0} \to J / ψ K_{S}^{0}$ branching fraction

LHCb collaboration, R. Aaij, C. Abellan Beteta +594

The $B_{s}^{0} \to J / ψ K_{S}^{0}$ branching fraction is measured in a data sample corresponding to 0.41 $f b^{- 1}$ of integrated luminosity collected with the LHCb detector at the LHC. This ch…

hep-ex2012★ 76 cited

Measurement of the ratio of prompt $χ_{c}$ to $J / ψ$ production in $pp$ collisions at $s = 7$ TeV

LHCb Collaboration, R. Aaij, C. Abellan Beteta +591

The prompt production of charmonium $χ_{c}$ and $J / ψ$ states is studied in proton-proton collisions at a centre-of-mass energy of $s = 7$ TeV at the Large Hadron Collider. The…

Observation of the rare baryonic decay B+→pΛˉ and measurement of its weak decay parameter

Study of charmonium and charmonium-like contributions in B+→J/ψηK+ decays

Observation of the Λb0​→Λc+​K+K−π− decay

Observation of an excited Bc+​ state

Observation of the doubly charmed baryon Ξcc++​

Measurement of the Bs0​→J/ψKS0​ branching fraction

Measurement of the ratio of prompt χc​ to J/ψ production in pp collisions at s​=7 TeV