T. Ketel

New measurements of $B_{c}^{+}$ decays into single charm final states

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

Using proton-proton collision data corresponding to an integrated luminosity of $9 fb^{- 1}$ collected by the LHCb experiment, searches are performed for $B_{c}^{+}$ mesons d…

Evidence for the decay $B_{s}^{0} \to ϕ η^{'}$

LHCb collaboration, R. Aaij, M. Abdelfatah +1101

Using a dataset corresponding to an integrated luminosity of $9 fb^{- 1}$ collected in proton-proton collisions between 2011 and 2018 by the LHCb experiment, evidence is…

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

LHCb collaboration, R. Aaij, M. Abdelfatah +1104

A search for $C P$ violation in the $B^{0} \to K^{* 0} μ^{+} μ^{-}$ decay is performed using proton-proton collision data collected by the LHCb experiment during Run…

Measurement of inclusive production of charmonium states in $b$ -hadron decays via their decay into $ϕϕ$

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

The inclusive production of the $η_{c} (1 S)$ , $η_{c} (2 S)$ and $χ_{c}$ charmonium states in $b$ -hadron decays is studied with LHCb Run~2 data, corresponding to an integrated luminosity o…

Evidence for the rare decay $B^{+} \to Λ ˉ p μ^{+} μ^{-}$

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

A search for the rare decay $B^{+} \to Λ ˉ p μ^{+} μ^{-}$ is performed using proton-proton collision data recorded by the LHCb experiment at a center-of-mass energy of $\sqrt{s}=…

First evidence of the $B_{s}^{0} \to K^{-} π^{+} γ$ decay

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1173

The first search for the $B_{s}^{0} \to K^{-} π^{+} γ$ decay in the range $796 < m (K^{-} π^{+}) < 1800 MeV/ c^{2}$ is performed using data from proton-proton collisions collected by the L…

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…

Search for heavy neutral leptons in B-meson decays

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

A search for long-lived heavy neutral leptons produced in B-meson decays and decaying to a $μ^{\pm} π^{\mp}$ final state is performed with data collected by the LHCb experiment in pro…

Measurement of the top-quark production cross-section and charge asymmetry at LHCb

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1173

The first measurements of the top- and antitop-quark differential production cross-sections and the top-quark charge asymmetry in the forward region are presented, using proton-pro…

hep-ex2025★ 1 cited

Measurement of the branching fractions and longitudinal polarisations of $B_{(s)}^{0} \to K^{* 0} K^{* 0}$ decays

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

A time- and flavour-integrated amplitude analysis of $B^{0}$ and $B_{s}^{0}$ decays to the $(K^{+} π^{-}) (K^{-} π^{+})$ final state in the $K^*(892)^0 \kern 0.18em \overline{\kern -0.18em K}{}^{*}…

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…

Differential decay rate of $B^{+} \to J / ψ K^{+}$ with the LHCb Upgrade I experiment

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

The normalised decay rate of $B^{+} \to J / ψ (\to μ^{+} μ^{-}) K^{+}$ is measured as a function of the lepton helicity angle using a data sample corresponding to an integrated luminosity of $…

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…

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…

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★ 1 cited

Amplitude analysis of the $Ξ_{c}^{+} \to p K^{-} π^{+}$ decay and $Ξ_{c}^{+}$ baryon polarization measurement in semileptonic beauty-hadron decays

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1128

An amplitude analysis of the $Ξ_{c}^{+} \to p K^{-} π^{+}$ decay together with a measurement of the $Ξ_{c}^{+}$ polarization vector in semileptonic beauty-hadron decays is presented. The analysis…

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…

Measurement of the $B^{0} \to ρ (770)^{0} γ$ branching fraction

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

The ratio between the branching fractions of the $B^{0} \to ρ (770)^{0} γ$ and $B^{0} \to K^{*} (892)^{0} γ$ decays is measured with proton-proton collision data collected…

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…

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…

Search for the lepton-flavour-violating decays $B^{0} \to K^{* 0} τ^{\pm} e^{\mp}$

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

A first search for the lepton-flavour-violating decays $B^{0} \to K^{* 0} τ^{\pm} e^{\mp}$ is presented. The analysis is performed using a sample of proton-proton collision data, collected…