M. Kmiec

activity

20102026

most citedStudy of the doubly charmed tetraquark

T_{cc}^{+}

329 citations · 2k across the 103 of their papers we have counts for

collaborators

106 papers

hep-ex2026

Energy-energy correlators within $Z$ -tagged jets in proton-proton collisions at $s$ = 13 TeV

LHCb collaboration, R. Aaij, M. Abdelfatah +1161

Energy-energy correlators probe perturbative and nonperturbative QCD regimes of jet formation through momentum-weighted angular correlations between hadrons. First measurements in…

hep-ex2026

Branching fraction measurement of the $B^{0} \to K^{+} π^{-} μ^{+} μ^{-}$ decay at high dihadron mass

LHCb collaboration, R. Aaij, M. Abdelfatah +1103

This Letter presents the first measurement of the $B^{0} \to K^{+} π^{-} μ^{+} μ^{-}$ differential branching fraction in the region of the dihadron $K^{+} π^{-}$ mass, $m_{K π}$ , $1000< m_{…

hep-ex2024★ 10 cited

Measurement of $C P$ asymmetries in $Λ_{b}^{0} \to p h^{-}$ decays

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1129

A search for $C P$ violation in $Λ_{b}^{0} \to p K^{-}$ and $Λ_{b}^{0} \to p π^{-}$ decays is presented using the full Run 1 and Run 2 data samples of $pp$ collisions collected with…

hep-ex2024★ 5 cited

Search for $D^{0}$ meson decays to $π^{+} π^{-} e^{+} e^{-}$ and $K^{+} K^{-} e^{+} e^{-}$ final states

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1130

A search for $D^{0}$ meson decays to the $π^{+} π^{-} e^{+} e^{-}$ and $K^{+} K^{-} e^{+} e^{-}$ final states is reported using a sample of proton-proton collisions collected by the LHCb experiment at a c…

hep-ex2024★ 8 cited

Measurement of exclusive $J / ψ$ and $ψ (2 S)$ production at $s = 13$ TeV

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

Measurements are presented of the cross-section for the central exclusive production of $J / ψ \to μ^{+} μ^{-}$ and $ψ (2 S) \to μ^{+} μ^{-}$ processes in proton-proton collisions at $\sqrt{s} = 13…

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★ 5 cited

Observation of exotic $J / ψ ϕ$ resonant structure in diffractive processes in proton-proton collisions

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

The first study of $J / ψ ϕ$ production in diffractive processes in proton-proton collisions is presented. The study is based on an LHCb dataset recorded at centre-of-mass energy of 1…

hep-ex2024★ 4 cited

Study of charmonium production via the decay to $p p ˉ$ at $s = 13 T e V$

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1063

Charmonium production cross-section in proton-proton collisions is measured at the centre-of-mass energy $s = 13 T e V$ using decays to $p p ˉ$ final state. The study is per…

hep-ex2024★ 5 cited

Amplitude analysis of $B^{+} \to ψ (2 S) K^{+} π^{+} π^{-}$ decays

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1096

The first full amplitude analysis of $B^{+} \to ψ (2 S) K^{+} π^{+} π^{-}$ decays is performed using proton-proton collision data corresponding to an integrated luminosity of $9\,\text{fb}^{…

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★ 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★ 14 cited

Measurement of the branching fraction ratios $R (D^{+})$ and $R (D^{*+})$ using muonic $τ$ decays

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1066

The branching fraction ratios of $B^{0} \to D^{+} τ^{-} ν_{τ}$ and $B^{0} \to D^{*+} τ^{-} ν_{τ}$ decays are measured with respect to their muonic counterparts,…

hep-ex2024

Observation of new charmonium(-like) states in $B^{+} \to D^{*\pm} D^{\mp} K^{+}$ decays

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1066

A study of resonant structures in $B^{+} \to D^{*+} D^{-} K^{+}$ and $B^{+} \to D^{*-} D^{+} K^{+}$ decays is performed, using proton-proton collision data at cen…

hep-ex2024★ 1 cited

Amplitude analysis of the radiative decay $B_{s}^{0} \to K^{+} K^{-} γ$

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1064

A search for radiative decay of $B_{s}^{0}$ mesons to orbitally excited $K^{+} K^{-}$ states is performed using proton proton collisions recorded by the \mbox{LHCb}\xspace experiment, corre…

hep-ex2024

Comprehensive analysis of local and nonlocal amplitudes in the $B^{0} \to K^{* 0} μ^{+} μ^{-}$ decay

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1073

A comprehensive study of the local and nonlocal amplitudes contributing to the decay $B^{0} \to K^{* 0} (\to K^{+} π^{-}) μ^{+} μ^{-}$ is performed by analysing the phase-space distributi…

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

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★ 7 cited

Transverse polarization measurement of $Λ$ hyperons in $p$ Ne collisions at $s_{N N}$ = 68.4 GeV with the $\mbox{LHCb}$ detector

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

A measurement of the transverse polarization of the $Λ$ and $Λ ˉ$ hyperons in $p$ Ne fixed-target collisions at $s_{N N}$ = 68.4 GeV is presented using data collected by the…

hep-ex2024★ 7 cited

Search for time-dependent $C P$ violation in $D^{0} \to π^{+} π^{-} π^{0}$ decays

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

A measurement of time-dependent $C P$ violation in $D^{0} \to π^{+} π^{-} π^{0}$ decays using a $pp$ collision data sample collected by the LHCb experiment in 2012 and from 2015 to…

hep-ex2024★ 2 cited

Amplitude analysis and branching fraction measurement of $B^{+} \to D^{*-} D_{s}^{+} π^{+}$ decays

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1060

The decays of the $B^{+}$ meson to the final state $D^{*-} D_{s}^{+} π^{+}$ are studied in proton-proton collision data collected with the LHCb detector at centre-of-mass energies of…

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★ 5 cited

Search for the $B_{s}^{0} \to μ^{+} μ^{-} γ$ decay

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

A search for the fully reconstructed $B_{s}^{0} \to μ^{+} μ^{-} γ$ decay is performed at the LHCb experiment using proton-proton collisions at $s = 13$ \,TeV corresponding to an…

hep-ex2024★ 1 cited

Tracking of charged particles with nanosecond lifetimes at LHCb

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1063

A method is presented to reconstruct charged particles with lifetimes between 10 ps and 10 ns, which considers a combination of their decay products and the partial tracks created…

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 $13 TeV$ ,…

Energy-energy correlators within Z-tagged jets in proton-proton collisions at s​ = 13 TeV

Branching fraction measurement of the B0→K+π−μ+μ− decay at high dihadron mass

Measurement of CP asymmetries in Λb0​→ph− decays

Search for D0 meson decays to π+π−e+e− and K+K−e+e− final states

Measurement of exclusive J/ψ and ψ(2S) production at s​=13 TeV

Study of the rare decay J/ψ→μ+μ−μ+μ−

Observation of exotic J/ψϕ resonant structure in diffractive processes in proton-proton collisions

Study of charmonium production via the decay to ppˉ​ at s​=13TeV

Amplitude analysis of B+→ψ(2S)K+π+π− decays

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

Precision measurement of the Ξb−​ baryon lifetime

Measurement of the branching fraction ratios R(D+) and R(D∗+) using muonic τ decays

Observation of new charmonium(-like) states in B+→D∗±D∓K+ decays

Amplitude analysis of the radiative decay Bs0​→K+K−γ

Comprehensive analysis of local and nonlocal amplitudes in the B0→K∗0μ+μ− decay

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

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

Transverse polarization measurement of Λ hyperons in pNe collisions at sNN​​ = 68.4 GeV with the $\mbox{LHCb}$ detector

Search for time-dependent CP violation in D0→π+π−π0 decays

Amplitude analysis and branching fraction measurement of B+→D∗−Ds+​π+ decays

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

Search for the Bs0​→μ+μ−γ decay

Tracking of charged particles with nanosecond lifetimes at LHCb

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

Energy-energy correlators within $Z$ -tagged jets in proton-proton collisions at $s$ = 13 TeV

Branching fraction measurement of the $B^{0} \to K^{+} π^{-} μ^{+} μ^{-}$ decay at high dihadron mass

Measurement of $C P$ asymmetries in $Λ_{b}^{0} \to p h^{-}$ decays

Search for $D^{0}$ meson decays to $π^{+} π^{-} e^{+} e^{-}$ and $K^{+} K^{-} e^{+} e^{-}$ final states

Measurement of exclusive $J / ψ$ and $ψ (2 S)$ production at $s = 13$ TeV

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

Observation of exotic $J / ψ ϕ$ resonant structure in diffractive processes in proton-proton collisions

Study of charmonium production via the decay to $p p ˉ$ at $s = 13 T e V$

Amplitude analysis of $B^{+} \to ψ (2 S) K^{+} π^{+} π^{-}$ decays

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

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

Measurement of the branching fraction ratios $R (D^{+})$ and $R (D^{*+})$ using muonic $τ$ decays

Observation of new charmonium(-like) states in $B^{+} \to D^{*\pm} D^{\mp} K^{+}$ decays

Amplitude analysis of the radiative decay $B_{s}^{0} \to K^{+} K^{-} γ$

Comprehensive analysis of local and nonlocal amplitudes in the $B^{0} \to K^{* 0} μ^{+} μ^{-}$ decay

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

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

Transverse polarization measurement of $Λ$ hyperons in $p$ Ne collisions at $s_{N N}$ = 68.4 GeV with the $\mbox{LHCb}$ detector

Search for time-dependent $C P$ violation in $D^{0} \to π^{+} π^{-} π^{0}$ decays

Amplitude analysis and branching fraction measurement of $B^{+} \to D^{*-} D_{s}^{+} π^{+}$ decays

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

Search for the $B_{s}^{0} \to μ^{+} μ^{-} γ$ decay

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