J. A. Vries

activity

20182026

most citedObservation of structure in the

J / ψ

-pair mass spectrum

414 citations · 3k across the 92 of their papers we have counts for

collaborators

Showing 2023Show all

20 papers · 1 filter

hep-ex2023★ 4 cited

Curvature-bias corrections using a pseudomass method

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1078

Momentum measurements for very high momentum charged particles, such as muons from electroweak vector boson decays, are particularly susceptible to charge-dependent curvature biase…

hep-ex2023

Observation of $Ξ_{b}^{0} \to Ξ_{c}^{+} D_{s}^{-}$ and $Ξ_{b}^{-} \to Ξ_{c}^{0} D_{s}^{-}$ decays

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1090

The $Ξ_{b}^{0} \to Ξ_{c}^{+} D_{s}^{-}$ and $Ξ_{b}^{-} \to Ξ_{c}^{0} D_{s}^{-}$ decays are observed for the first time using proton-proton collision data collected by the LHCb experiment a…

hep-ex2023★ 1 cited

Search for $CP$ violation in the phase space of $D^{0} \to K_{S}^{0} K^{\pm} π^{\mp}$ decays with the energy test

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1091

A search for $CP$ violation in $D^{0} \to K_{S}^{0} K^{+} π^{-}$ and $D^{0} \to K_{S}^{0} K^{-} π^{+}$ decays is reported. The search is performed using…

nucl-ex2023★ 5 cited

Production of $η$ and $η^{'}$ mesons in $pp$ and $p$ Pb collisions

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1083

The production of $η$ and $η^{'}$ mesons is studied in proton-proton and proton-lead collisions collected with the LHCb detector. Proton-proton collisions are studied at center-of-mas…

hep-ex2023★ 2 cited

A measurement of $Δ Γ_{s}$

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1081

Using a dataset corresponding to $9 fb^{- 1}$ of integrated luminosity collected with the LHCb detector between 2011 and 2018 in proton-proton collisions, the decay-time di…

hep-ex2023★ 21 cited

Enhanced production of $Λ_{b}^{0}$ baryons in high-multiplicity $pp$ collisions at $s = 13$ TeV

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1085

The production rate of $Λ_{b}^{0}$ baryons relative to $B^{0}$ mesons in $pp$ collisions at a center-of-mass energy $s = 13$ TeV is measured by the LHCb experiment. The rati…

hep-ex2023★ 4 cited

Helium identification with LHCb

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1082

The identification of helium nuclei at LHCb is achieved using a method based on measurements of ionisation losses in the silicon sensors and timing measurements in the Outer Tracke…

hep-ex2023★ 1 cited

Measurement of the CKM angle $γ$ using the $B^{\pm} \to D^{*} h^{\pm}$ channels

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1082

A measurement of the $C P$ -violating observables from $B^{\pm} \to D^{*} K^{\pm}$ and $B^{\pm} \to D^{*} π^{\pm}$ decays is presented, where $D^{*} (D)$ is an admixture of…

hep-ex2023★ 2 cited

Measurement of the $Z$ boson production cross-section in $pp$ collisions at $s = 5.02$ TeV

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1080

The first measurement of the $Z$ boson production cross-section at centre-of-mass energy $s = 5.02$ TeV in the forward region is reported, using $pp$ collision data collect…

hep-ex2023★ 3 cited

A search for rare $B \to D μ^{+} μ^{-}$ decays

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1046

A search for rare $B \to D μ^{+} μ^{-}$ decays is performed using proton-proton collision data collected by the LHCb experiment, corresponding to an integrated luminosity of 9…

hep-ex2023★ 12 cited

Improved measurement of $C P$ violation parameters in $B_{s}^{0} \to J / ψ K^{+} K^{-}$ decays in the vicinity of the $ϕ (1020)$ resonance

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1083

The decay-time-dependent $C P$ asymmetry in $B_{s}^{0} \to J / ψ (\to μ^{+} μ^{-}) K^{+} K^{-}$ decays is measured using proton-proton collision data, corresponding to an integrated luminosit…

hep-ex2023★ 7 cited

Observation and branching fraction measurement of the decay $Ξ_{b}^{-} \to Λ_{b}^{0} π^{-}$

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1087

The decay $Ξ_{b}^{-} \to Λ_{b}^{0} π^{-}$ is observed using a proton-proton collision data sample collected at center-of-mass energy $s = 13$ TeV with the LHCb detector, corresponding to a…

hep-ex2023★ 7 cited

Search for $C P$ violation in the phase space of $D^{0} \to π^{-} π^{+} π^{0}$ decays with the energy test

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1046

A search for $C P$ violation in $D^{0} \to π^{-} π^{+} π^{0}$ decays is reported, using $pp$ collision data collected by the LHCb experiment from 2015 to 2018 corresponding to an integrated l…

hep-ex2023★ 1 cited

Study of the Bose-Einstein correlations of same-sign pions in proton-lead collisions

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1045

Correlations of same-sign charged particles are analysed using proton-lead collision data collected by the LHCb experiment at a nucleon-nucleon centre-of-mass energy of 5.02 TeV, c…

hep-ex2023★ 4 cited

Associated production of prompt $J / ψ$ and $Υ$ mesons in $pp$ collisions at $s = 13 TeV$

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1045

The associated production of prompt $J / ψ$ and $Υ$ mesons in $pp$ collisions at a centre-of-mass energy of $s = 13 TeV$ is studied using LHCb data, co…

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-ex2023★ 5 cited

Measurement of $Ξ_{c}^{+}$ production in $p$ Pb collisions at $s_{N N} = 8.16$ TeV at LHCb

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1048

A study of prompt $Ξ_{c}^{+}$ production in proton-lead collisions is performed with the LHCb experiment at a centre-of-mass energy per nucleon pair of 8.16 TeV in 2016 in $p$ Pb an…

hep-ex2023★ 67 cited

Test of lepton flavour universality using $B^{0} \to D^{*-} τ^{+} ν_{τ}$ decays with hadronic $τ$ channels

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1051

The branching fraction $B (B^{0} \to D^{*-} τ^{+} ν_{τ})$ is measured relative to that of the normalization mode $B^{0} \to D^{*-} π^{+} π^{-} π^{+}$ using hadronic $τ^+ \to π^+π^-π^+(π^0)\o…

hep-ex2023★ 12 cited

Study of charmonium decays to $K_{S}^{0} K π$ in the $B \to (K_{S}^{0} K π) K$ channels

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1049

A study of the $B^{+} \to K_{S}^{0} K^{+} K^{-} π^{+}$ and $B^{+} \to K_{S}^{0} K^{+} K^{+} π^{-}$ decays is performed using proton-proton collisions at center-of-mass energies of 7, 8 and 13 TeV at the LHCb expe…

hep-ex2023★ 10 cited

Precision measurement of $CP$ violation in the penguin-mediated decay $B_{s}^{0} \to ϕϕ$

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1044

A flavor-tagged time-dependent angular analysis of the decay $B_{s}^{0} \to ϕϕ$ is performed using $pp$ collision data collected by the LHCb experiment at $s = 13$ TeV, th…

Curvature-bias corrections using a pseudomass method

Observation of Ξb0​→Ξc+​Ds−​ and Ξb−​→Ξc0​Ds−​ decays

Search for CP violation in the phase space of D0→KS0​K±π∓ decays with the energy test

Production of η and η′ mesons in pp and pPb collisions

A measurement of ΔΓs​

Enhanced production of Λb0​ baryons in high-multiplicity pp collisions at s​=13 TeV

Helium identification with LHCb

Measurement of the CKM angle γ using the B±→D∗h± channels

Measurement of the Z boson production cross-section in pp collisions at s​=5.02 TeV

A search for rare B→Dμ+μ− decays

Improved measurement of CP violation parameters in Bs0​→J/ψK+K− decays in the vicinity of the ϕ(1020) resonance

Observation and branching fraction measurement of the decay Ξb−​→Λb0​π−

Search for CP violation in the phase space of D0→π−π+π0 decays with the energy test

Study of the Bose-Einstein correlations of same-sign pions in proton-lead collisions

Associated production of prompt J/ψ and Υ mesons in pp collisions at s​=13TeV

The LHCb upgrade I

Measurement of Ξc+​ production in pPb collisions at sNN​​=8.16 TeV at LHCb

Test of lepton flavour universality using B0→D∗−τ+ντ​ decays with hadronic τ channels

Study of charmonium decays to KS0​Kπ in the B→(KS0​Kπ)K channels

Precision measurement of CP violation in the penguin-mediated decay Bs0​→ϕϕ

Observation of $Ξ_{b}^{0} \to Ξ_{c}^{+} D_{s}^{-}$ and $Ξ_{b}^{-} \to Ξ_{c}^{0} D_{s}^{-}$ decays

Search for $CP$ violation in the phase space of $D^{0} \to K_{S}^{0} K^{\pm} π^{\mp}$ decays with the energy test

Production of $η$ and $η^{'}$ mesons in $pp$ and $p$ Pb collisions

A measurement of $Δ Γ_{s}$

Enhanced production of $Λ_{b}^{0}$ baryons in high-multiplicity $pp$ collisions at $s = 13$ TeV

Measurement of the CKM angle $γ$ using the $B^{\pm} \to D^{*} h^{\pm}$ channels

Measurement of the $Z$ boson production cross-section in $pp$ collisions at $s = 5.02$ TeV

A search for rare $B \to D μ^{+} μ^{-}$ decays

Improved measurement of $C P$ violation parameters in $B_{s}^{0} \to J / ψ K^{+} K^{-}$ decays in the vicinity of the $ϕ (1020)$ resonance

Observation and branching fraction measurement of the decay $Ξ_{b}^{-} \to Λ_{b}^{0} π^{-}$

Search for $C P$ violation in the phase space of $D^{0} \to π^{-} π^{+} π^{0}$ decays with the energy test

Associated production of prompt $J / ψ$ and $Υ$ mesons in $pp$ collisions at $s = 13 TeV$

Measurement of $Ξ_{c}^{+}$ production in $p$ Pb collisions at $s_{N N} = 8.16$ TeV at LHCb

Test of lepton flavour universality using $B^{0} \to D^{*-} τ^{+} ν_{τ}$ decays with hadronic $τ$ channels

Study of charmonium decays to $K_{S}^{0} K π$ in the $B \to (K_{S}^{0} K π) K$ channels

Precision measurement of $CP$ violation in the penguin-mediated decay $B_{s}^{0} \to ϕϕ$