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 2024Show all

51 papers · 1 filter

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★ 3 cited

Test of lepton flavour universality with $B^{+} \to K^{+} π^{+} π^{-} ℓ^{+} ℓ^{-}$ decays

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

The first test of lepton flavor universality between muons and electrons using $B^{+} \to K^{+} π^{+} π^{-} ℓ^{+} ℓ^{-}$ ( $ℓ = e, μ$ ) decays is presented. The measurement is performed with d…

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★ 7 cited

Observation of the open-charm tetraquark candidate $T_{cs 0}^{*} (2870)^{0}$ in the $B^{-} \to D^{-} D^{0} K_{S}^{0}$ decay

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1133

An amplitude analysis of $B^{-} \to D^{-} D^{0} K_{S}^{0}$ decays is performed using proton-proton collision data, corresponding to an integrated luminosity of $9\,\text{fb}^…

hep-ex2024★ 19 cited

Study of $\itΛ_{\it{b}}^\rm{0}$ and $\itΞ_{\it{b}}^\rm{0}$ decays to $Λ h^{+} h^{^{'} -}$ and evidence for $C P$ violation in $\itΛ_{\it{b}}^\rm{0}\to\itΛ K^+K^-$ decays

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1134

A study of $\itΛ_{\it{b}}^\rm{0}$ and $\itΞ_{\it{b}}^\rm{0}$ decays to $Λ h^{+} h^{' -}$ $(h^{(')} = π, K)$ is performed using $pp$ collision data collected by the LHCb…

hep-ex2024★ 7 cited

First evidence for direct CP violation in beauty to charmonium decays

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

The $C P$ asymmetry and branching fraction of the CKM-suppressed decay $B^{+} \to J / ψ π^{+}$ are precisely measured relative to the favoured decay $B^+\!\to J\…

hep-ex2024★ 4 cited

Constraints on the photon polarisation in $b \to s γ$ transitions using $B_{s}^{0} \to ϕ e^{+} e^{-}$ decays

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1124

An angular analysis of the $B_{s}^{0} \to ϕ e^{+} e^{-}$ decay is performed using the proton-proton collision dataset collected between 2011 and 2018 by the LHCb experiment, correspo…

nucl-ex2024

Measurement of the $ψ (2 S)$ to $J / ψ$ cross-section ratio as a function of centrality in PbPb collisions at $s_{NN}$ = 5.02 TeV

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1133

The dissociation of quarkonium states with different binding energies produced in heavy-ion collisions is a powerful probe for investigating the formation and properties of the qua…

hep-ex2024★ 9 cited

Study of $D_{s 1} (2460)^{+} \to D_{s}^{+} π^{+} π^{-}$ in $B \to D ˉ^{(*)} D_{s}^{+} π^{+} π^{-}$ decays

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

An amplitude analysis of the $D_{s 1} (2460)^{+} \to D_{s}^{+} π^{+} π^{-}$ transition is performed simultaneously in $B^{0} \to D^{-} D_{s}^{+} π^{+} π^{-}$ , $B^{+}\to{\bar{D}}^{0} D_{s}^{+}…

hep-ex2024★ 17 cited

Measurements of $W H$ and $Z H$ production with Higgs boson decays into bottom quarks and direct constraints on the charm Yukawa coupling in $13 TeV$ $pp$ collisions with the ATLAS detector

ATLAS Collaboration

A study of the Higgs boson decaying into bottom quarks ( $H \to b b ˉ$ ) and charm quarks ( $H \to c c ˉ$ ) is performed, in the associated production channel of the Higgs boson…

hep-ex2024★ 5 cited

Measurements of $ψ (2 S)$ and $χ_{c 1} (3872)$ production within fully reconstructed jets

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1114

This paper presents the first measurement of $ψ (2 S)$ and $χ_{c 1} (3872)$ meson production within fully reconstructed jets. Each quarkonium state (tag) is reconstructed via its dec…

hep-ex2024★ 1 cited

Search for a new scalar decaying into new spin-1 bosons in four-lepton final states with the ATLAS detector

ATLAS Collaboration

A search is conducted for a new scalar boson $S$ , with a mass distinct from that of the Higgs boson, decaying into four leptons ( $ℓ =$ $e$ , $μ$ ) via an intermediate state contai…

hep-ex2024★ 9 cited

Test of lepton flavour universality with $B_{s}^{0} \to ϕ ℓ^{+} ℓ^{-}$ decays

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

Lepton flavour universality in rare $b \to s$ transitions is tested for the first time using $B_{s}^{0}$ meson decays. The measurements are performed using $pp$ collision data c…

hep-ex2024

Search for $B_{(s)}^{* 0} \to μ^{+} μ^{-}$ in $B_{c}^{+} \to π^{+} μ^{+} μ^{-}$ decays

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1116

A search for the very rare $B^{* 0} \to μ^{+} μ^{-}$ and $B_{s}^{* 0} \to μ^{+} μ^{-}$ decays is conducted by analysing the $B_{c}^{+} \to π^{+} μ^{+} μ^{-}$ process. The analysis uses proton-proton collision…

hep-ex2024★ 1 cited

Search for same-charge top-quark pair production in $pp$ collisions at $s =$ 13 TeV with the ATLAS detector

ATLAS Collaboration

A search for the production of top-quark pairs with the same electric charge ( $tt$ or $t ˉ t ˉ$ ) is presented. The analysis uses proton-proton collision data at $\sqrt{s}=13…

hep-ex2024★ 6 cited

First determination of the spin-parity of $Ξ_{c} (3055)^{+, 0}$ baryons

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1112

The $Ξ_{b}^{0 (-)} \to Ξ_{c} (3055)^{+ (0)} (\to D^{+ (0)} Λ) π^{-}$ decay chains are observed, and the spin-parity of $Ξ_{c} (3055)^{+ (0)}$ baryons is determined for the first time. The m…

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

Measurement of $\itΛ_\it{b}^0$, $\itΛ_\it{c}^+$ and $Λ$ decay parameters using $\itΛ_\it{b}^0 \to \itΛ_\it{c}^+ h^-$ decays

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1106

A comprehensive study of the angular distributions in the bottom-baryon decays $Λ_{b}^{0} \to Λ_{c}^{+} h^{-} (h = π, K)$ , followed by $Λ_{c}^{+} \to Λ h^{+}$ with $\itΛ\to \it{p} π^…

hep-ex2024★ 2 cited

Measurement of $C P$ violation observables in $D^{+} \to K^{-} K^{+} π^{+}$ decays

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1112

A search for violation of the charge-parity $C P$ symmetry in the $D^{+} \to K^{-} K^{+} π^{+}$ decay is presented, with proton-proton collision data corresponding to an integrated l…

hep-ex2024★ 4 cited

Search for boosted low-mass resonances decaying into hadrons produced in association with a photon in pp collisions at $s =$ 13 TeV with the ATLAS detector

ATLAS Collaboration

Many extensions of the Standard Model, including those with dark matter particles, propose new mediator particles that decay into hadrons. This paper presents a search for such low…

hep-ex2024★ 4 cited

Measurement of $D^{0} - D^{0}$ mixing and search for $C P$ violation with $D^{0} \to K^{+} π^{-}$ decays

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

A measurement of the time-dependent ratio of the $D^{0} \to K^{+} π^{-}$ to $D^{0} \to K^{+} π^{-}$ decay rates is reported. The analysis uses a sample of proton-proton…

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}^{…

Measurement of CP asymmetries in Λb0​→ph− decays

Test of lepton flavour universality with B+→K+π+π−ℓ+ℓ− decays

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

Observation of the open-charm tetraquark candidate Tcs0∗​(2870)0 in the B−→D−D0KS0​ decay

Study of $\itΛ_{\it{b}}^\rm{0}$ and $\itΞ_{\it{b}}^\rm{0}$ decays to Λh+h′− and evidence for CP violation in $\itΛ_{\it{b}}^\rm{0}\to\itΛ K^+K^-$ decays

First evidence for direct CP violation in beauty to charmonium decays

Constraints on the photon polarisation in b→sγ transitions using Bs0​→ϕe+e− decays

Measurement of the ψ(2S) to J/ψ cross-section ratio as a function of centrality in PbPb collisions at sNN​​ = 5.02 TeV

Study of Ds1​(2460)+→Ds+​π+π− in B→Dˉ(∗)Ds+​π+π− decays

Measurements of WH and ZH production with Higgs boson decays into bottom quarks and direct constraints on the charm Yukawa coupling in 13TeV pp collisions with the ATLAS detector

Measurements of ψ(2S) and χc1​(3872) production within fully reconstructed jets

Search for a new scalar decaying into new spin-1 bosons in four-lepton final states with the ATLAS detector

Test of lepton flavour universality with Bs0​→ϕℓ+ℓ− decays

Search for B(s)∗0​→μ+μ− in Bc+​→π+μ+μ− decays

Search for same-charge top-quark pair production in pp collisions at s​= 13 TeV with the ATLAS detector

First determination of the spin-parity of Ξc​(3055)+,0 baryons

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

Measurement of $\itΛ_\it{b}^0$, $\itΛ_\it{c}^+$ and Λ decay parameters using $\itΛ_\it{b}^0 \to \itΛ_\it{c}^+ h^-$ decays

Measurement of CP violation observables in D+→K−K+π+ decays

Search for boosted low-mass resonances decaying into hadrons produced in association with a photon in pp collisions at s​=13 TeV with the ATLAS detector

Measurement of D0−D0 mixing and search for CP violation with D0→K+π− decays

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

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

Test of lepton flavour universality with $B^{+} \to K^{+} π^{+} π^{-} ℓ^{+} ℓ^{-}$ decays

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

Observation of the open-charm tetraquark candidate $T_{cs 0}^{*} (2870)^{0}$ in the $B^{-} \to D^{-} D^{0} K_{S}^{0}$ decay

Study of $\itΛ_{\it{b}}^\rm{0}$ and $\itΞ_{\it{b}}^\rm{0}$ decays to $Λ h^{+} h^{^{'} -}$ and evidence for $C P$ violation in $\itΛ_{\it{b}}^\rm{0}\to\itΛ K^+K^-$ decays

Constraints on the photon polarisation in $b \to s γ$ transitions using $B_{s}^{0} \to ϕ e^{+} e^{-}$ decays

Measurement of the $ψ (2 S)$ to $J / ψ$ cross-section ratio as a function of centrality in PbPb collisions at $s_{NN}$ = 5.02 TeV

Study of $D_{s 1} (2460)^{+} \to D_{s}^{+} π^{+} π^{-}$ in $B \to D ˉ^{(*)} D_{s}^{+} π^{+} π^{-}$ decays

Measurements of $W H$ and $Z H$ production with Higgs boson decays into bottom quarks and direct constraints on the charm Yukawa coupling in $13 TeV$ $pp$ collisions with the ATLAS detector

Measurements of $ψ (2 S)$ and $χ_{c 1} (3872)$ production within fully reconstructed jets

Test of lepton flavour universality with $B_{s}^{0} \to ϕ ℓ^{+} ℓ^{-}$ decays

Search for $B_{(s)}^{* 0} \to μ^{+} μ^{-}$ in $B_{c}^{+} \to π^{+} μ^{+} μ^{-}$ decays

Search for same-charge top-quark pair production in $pp$ collisions at $s =$ 13 TeV with the ATLAS detector

First determination of the spin-parity of $Ξ_{c} (3055)^{+, 0}$ baryons

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

Measurement of $\itΛ_\it{b}^0$, $\itΛ_\it{c}^+$ and $Λ$ decay parameters using $\itΛ_\it{b}^0 \to \itΛ_\it{c}^+ h^-$ decays

Measurement of $C P$ violation observables in $D^{+} \to K^{-} K^{+} π^{+}$ decays

Search for boosted low-mass resonances decaying into hadrons produced in association with a photon in pp collisions at $s =$ 13 TeV with the ATLAS detector

Measurement of $D^{0} - D^{0}$ mixing and search for $C P$ violation with $D^{0} \to K^{+} π^{-}$ decays

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