Z. Xu

activity

20172026

pp

collisions at

s = 13

TeV using the ATLAS detector at the LHC

185 citations · 2.4k across the 229 of their papers we have counts for

collaborators

Showing 2023Show all

74 papers · 1 filter

hep-ex2023★ 1 cited

Search for $B_{c}^{+} \to π^{+} μ^{+} μ^{-}$ decays and measurement of the branching fraction ratio $B (B_{c}^{+} \to ψ (2 S) π^{+}) / B (B_{c}^{+} \to J / ψ π^{+})$

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

The first search for nonresonant $B_{c}^{+} \to π^{+} μ^{+} μ^{-}$ decays is reported. The analysis uses proton-proton collision data collected with the LHCb detector between 2011 and 2018, corr…

hep-ex2023★ 22 cited

Amplitude analysis of the $B^{0} \to K^{* 0} μ^{+} μ^{-}$ decay

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

An amplitude analysis of the $B^{0} \to K^{* 0} μ^{+} μ^{-}$ decay is presented using a dataset corresponding to an integrated luminosity of $4.7$ fb $^{- 1}$ of $pp$ collision data collecte…

hep-ex2023★ 15 cited

Determination of short- and long-distance contributions in $B^{0} \to K^{* 0} μ^{+} μ^{-}$ decays

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

An amplitude analysis of the $B^{0} \to K^{* 0} μ^{+} μ^{-}$ decay is presented. The analysis is based on data collected by the LHCb experiment from proton-proton collisions at $\sqrt{s} =…

hep-ex2023★ 3 cited

Measurement of jet substructure in boosted $t t ˉ$ events with the ATLAS detector using 140 fb $^{- 1}$ of 13 TeV $pp$ collisions

ATLAS Collaboration

Measurements of the substructure of top-quark jets are presented, using 140 fb $^{- 1}$ of 13 TeV $pp$ collision data recorded with the ATLAS detector at the LHC. Top-quark jets reco…

hep-ex2023★ 5 cited

Search for the decay of the Higgs boson to a $Z$ boson and a light pseudoscalar particle decaying to two photons

ATLAS Collaboration

A search for the decay of the Higgs boson to a $Z$ boson and a light, pseudoscalar particle, $a$ , decaying respectively to two leptons and to two photons is reported. The search us…

hep-ex2023★ 7 cited

Momentum scale calibration of the LHCb spectrometer

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

For accurate determination of particle masses accurate knowledge of the momentum scale of the detectors is crucial. The procedure used to calibrate the momentum scale of the LHCb s…

hep-ex2023★ 9 cited

Fraction of $χ_{c}$ decays in prompt $J / ψ$ production measured in pPb collisions at $s_{N N} = 8.16$ TeV

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

The fraction of $χ_{c 1}$ and $χ_{c 2}$ decays in the prompt $J / ψ$ yield, $F_{χc} = σ_{χ_{c} \to J / ψ} / σ_{J / ψ}$ , is measured by the LHCb detector in pPb collisions at $s_{N N} = 8.16$ …

hep-ex2023★ 4 cited

Observation of $Λ_{b}^{0} \to Λ_{c}^{+} D ˉ^{() 0} K^{-}$ and $Λ_{b}^{0} \to Λ_{c}^{+} D_{s}^{-}$ decays

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

The decays $Λ_{b}^{0} \to Λ_{c}^{+} D ˉ^{(*) 0} K^{-}$ and $Λ_{b}^{0} \to Λ_{c}^{+} D_{s}^{*-}$ are observed for the first time, in proton-proton collision data at $s = 13$ TeV corresponding to a…

nucl-ex2023★ 2 cited

Measurement of forward charged hadron flow harmonics in peripheral PbPb collisions at $s_{N N} = 5.02$ TeV with the LHCb detector

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

Flow harmonic coefficients, $v_{n}$ , which are the key to studying the hydrodynamics of the quark-gluon plasma (QGP) created in heavy-ion collisions, have been measured in various co…

hep-ex2023★ 4 cited

Simultaneous energy and mass calibration of large-radius jets with the ATLAS detector using a deep neural network

ATLAS Collaboration

The energy and mass measurements of jets are crucial tasks for the Large Hadron Collider experiments. This paper presents a new calibration method to simultaneously calibrate these…

hep-ex2023★ 10 cited

Observation of strangeness enhancement with charmed mesons in high-multiplicity $p Pb$ collisions at $s_{NN} = 8.16$ TeV

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

The production of prompt $D_{s}^{+}$ and $D^{+}$ mesons is measured by the LHCb experiment in proton-lead ( $p Pb$ ) collisions in both the forward ( $1.5 < y^{*} < 4.0$ ) and backward (…

hep-ex2023★ 11 cited

Measurement of the $D^{}$ longitudinal polarization in $B^{0} \to D^{-} τ^{+} ν_{τ}$ decays

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

The longitudinal polarization fraction of the $D^{*}$ meson is measured in $B^{0} \to D^{*-} τ^{+} ν_{τ}$ decays, where the $τ$ lepton decays to three charged pions and a neutrino, using…

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★ 9 cited

Search for Resonant Production of Dark Quarks in the Dijet Final State with the ATLAS Detector

ATLAS Collaboration

This paper presents a search for a new $Z^{'}$ resonance decaying into a pair of dark quarks which hadronise into dark hadrons before promptly decaying back as Standard Model pa…

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★ 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★ 1 cited

Study of $Z \to l l γ$ decays at $s$ = 8 TeV with the ATLAS detector

ATLAS Collaboration

This paper presents a study of $Z \to l l γ$ decays with the ATLAS detector at the Large Hadron Collider. The analysis uses a proton-proton data sample corresponding to an integrated…

hep-ex2023★ 13 cited

Search for non-resonant Higgs boson pair production in the $2 b + 2 ℓ + E_{T}^{miss}$ final state in $pp$ collisions $s = 13 TeV$ with the ATLAS detector

ATLAS Collaboration

A search for non-resonant Higgs boson pair ( $H H$ ) production is presented, in which one of the Higgs bosons decays to a b-quark pair ( $b b ˉ$ ) and the other decays to $W W^{*}$ , $ZZ…

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 $t$ -channel single-top-quark production in $pp$ collisions at $s = 5.02$ TeV with the ATLAS detector

ATLAS Collaboration

The observation of the electroweak production of single-top-quarks is made using 255 $pb^{- 1}$ of proton-proton collision data recorded at $s = 5.02$ TeV with the ATL…

hep-ex2023★ 10 cited

Measurement of the production cross-section of $J / ψ$ and $ψ (2$ S $)$ mesons in $pp$ collisions at $s = 13$ TeV with the ATLAS detector

ATLAS Collaboration

Measurements of the differential production cross-sections of prompt and non-prompt $J / ψ$ and $ψ (2$ S $)$ mesons with transverse momenta between 8 and 360 GeV and rapidity in the ran…

hep-ex2023★ 19 cited

Measurement of CP violation in $B^{0} \to ψ (\to ℓ^{+} ℓ^{-}) K_{S}^{0} (\to π^{+} π^{-})$ decays

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

A measurement of time-dependent CP violation in the decays of $B^{0}$ and $B^{0}$ mesons to the final states $J / ψ (\to μ^{+} μ^{-}) K_{S}^{0}$ , $ψ (2 S) (\to μ^{+} μ^{-}) K_{S}^{0}$ and $J/ψ(\to e^+e…

hep-ex2023★ 12 cited

A precise measurement of the Z-boson double-differential transverse momentum and rapidity distributions in the full phase space of the decay leptons with the ATLAS experiment at $s$ = 8 TeV

ATLAS Collaboration

This paper presents for the first time a precise measurement of the production properties of the Z boson in the full phase space of the decay leptons. This is in contrast to the ma…

hep-ex2023★ 1 cited

Measurement of the CKM angle $γ$ in the $B^{0} \to D K^{* 0}$ channel using self-conjugate $D \to K_{S}^{0} h^{+} h^{-}$ decays

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1061

A model-independent study of CP violation in $B^{0} \to D K^{* 0}$ decays is presented using data corresponding to an integrated luminosity of 9fb $^{- 1}$ collected by the LHCb experime…

Search for Bc+​→π+μ+μ− decays and measurement of the branching fraction ratio B(Bc+​→ψ(2S)π+)/B(Bc+​→J/ψπ+)

Amplitude analysis of the B0→K∗0μ+μ− decay

Determination of short- and long-distance contributions in B0→K∗0μ+μ− decays

Measurement of jet substructure in boosted ttˉ events with the ATLAS detector using 140 fb−1 of 13 TeV pp collisions

Search for the decay of the Higgs boson to a Z boson and a light pseudoscalar particle decaying to two photons

Momentum scale calibration of the LHCb spectrometer

Fraction of χc​ decays in prompt J/ψ production measured in pPb collisions at sNN​​=8.16 TeV

Observation of Λb0​→Λc+​Dˉ(∗)0K− and Λb0​→Λc+​Ds∗−​ decays

Measurement of forward charged hadron flow harmonics in peripheral PbPb collisions at sNN​​=5.02 TeV with the LHCb detector

Simultaneous energy and mass calibration of large-radius jets with the ATLAS detector using a deep neural network

Observation of strangeness enhancement with charmed mesons in high-multiplicity pPb collisions at sNN​​=8.16TeV

Measurement of the D∗ longitudinal polarization in B0→D∗−τ+ντ​ decays

Curvature-bias corrections using a pseudomass method

Search for Resonant Production of Dark Quarks in the Dijet Final State with the ATLAS Detector

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

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

Study of Z→llγ decays at s​ = 8 TeV with the ATLAS detector

Search for non-resonant Higgs boson pair production in the 2b+2ℓ+ETmiss​ final state in pp collisions s​=13TeV with the ATLAS detector

Helium identification with LHCb

Measurement of t-channel single-top-quark production in pp collisions at s​=5.02 TeV with the ATLAS detector

Measurement of the production cross-section of J/ψ and ψ(2S) mesons in pp collisions at s​=13 TeV with the ATLAS detector

Measurement of CP violation in B0→ψ(→ℓ+ℓ−)KS0​(→π+π−) decays

A precise measurement of the Z-boson double-differential transverse momentum and rapidity distributions in the full phase space of the decay leptons with the ATLAS experiment at s​ = 8 TeV

Measurement of the CKM angle γ in the B0→DK∗0 channel using self-conjugate D→KS0​h+h− decays

Search for $B_{c}^{+} \to π^{+} μ^{+} μ^{-}$ decays and measurement of the branching fraction ratio $B (B_{c}^{+} \to ψ (2 S) π^{+}) / B (B_{c}^{+} \to J / ψ π^{+})$

Amplitude analysis of the $B^{0} \to K^{* 0} μ^{+} μ^{-}$ decay

Determination of short- and long-distance contributions in $B^{0} \to K^{* 0} μ^{+} μ^{-}$ decays

Measurement of jet substructure in boosted $t t ˉ$ events with the ATLAS detector using 140 fb $^{- 1}$ of 13 TeV $pp$ collisions

Search for the decay of the Higgs boson to a $Z$ boson and a light pseudoscalar particle decaying to two photons

Fraction of $χ_{c}$ decays in prompt $J / ψ$ production measured in pPb collisions at $s_{N N} = 8.16$ TeV

Observation of $Λ_{b}^{0} \to Λ_{c}^{+} D ˉ^{() 0} K^{-}$ and $Λ_{b}^{0} \to Λ_{c}^{+} D_{s}^{-}$ decays

Measurement of forward charged hadron flow harmonics in peripheral PbPb collisions at $s_{N N} = 5.02$ TeV with the LHCb detector

Observation of strangeness enhancement with charmed mesons in high-multiplicity $p Pb$ collisions at $s_{NN} = 8.16$ TeV

Measurement of the $D^{}$ longitudinal polarization in $B^{0} \to D^{-} τ^{+} ν_{τ}$ decays

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

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

Study of $Z \to l l γ$ decays at $s$ = 8 TeV with the ATLAS detector

Search for non-resonant Higgs boson pair production in the $2 b + 2 ℓ + E_{T}^{miss}$ final state in $pp$ collisions $s = 13 TeV$ with the ATLAS detector

Measurement of $t$ -channel single-top-quark production in $pp$ collisions at $s = 5.02$ TeV with the ATLAS detector

Measurement of the production cross-section of $J / ψ$ and $ψ (2$ S $)$ mesons in $pp$ collisions at $s = 13$ TeV with the ATLAS detector

Measurement of CP violation in $B^{0} \to ψ (\to ℓ^{+} ℓ^{-}) K_{S}^{0} (\to π^{+} π^{-})$ decays

A precise measurement of the Z-boson double-differential transverse momentum and rapidity distributions in the full phase space of the decay leptons with the ATLAS experiment at $s$ = 8 TeV

Measurement of the CKM angle $γ$ in the $B^{0} \to D K^{* 0}$ channel using self-conjugate $D \to K_{S}^{0} h^{+} h^{-}$ decays