X. Zhu

activity

20112024

B_{s}^{0} \to μ^{+} μ^{-}

branching fraction and effective lifetime and search for

B^{0} \to μ^{+} μ^{-}

decays

248 citations · 993 across the 23 of their papers we have counts for

collaborators

23 papers

nucl-ex2024★ 7 cited

Correlations of event activity with hard and soft processes in $p$ + Au collisions at $s_{NN}$ = 200 GeV at STAR

STAR Collaboration, M. I. Abdulhamid, B. E. Aboona +346

With the STAR experiment at the BNL Relativisic Heavy Ion Collider, we characterize $s_{NN}$ = 200 GeV p+Au collisions by event activity (EA) measured within the pseu…

nucl-ex2024★ 90 cited

Imaging Shapes of Atomic Nuclei in High-Energy Nuclear Collisions

STAR Collaboration

Atomic nuclei are self-organized, many-body quantum systems bound by strong nuclear forces within femtometer-scale space. These complex systems manifest a variety of shapes, tradit…

hep-ex2022★ 3 cited

First observation and branching fraction measurement of the $Λ_{b}^{0} \to D_{s}^{-} p$ decay

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

The first observation of the $Λ_{b}^{0} \to D_{s}^{-} p$ decay is presented using proton-proton collision data collected by the LHCb experiment at a centre-of-mass energy of ${\sqrt{s}=13 \…

nucl-ex2020★ 111 cited

Global polarization of $Ξ$ and $Ω$ hyperons in Au+Au collisions at $s_{_{N N}}$ = 200 GeV

STAR Collaboration, J. Adam, L. Adamczyk +357

Global polarization of $Ξ$ and $Ω$ hyperons has been measured for the first time in Au+Au collisions at $s_{_{N N}}$ = 200 GeV. The measurements of the $Ξ^{-}$ and $Ξ ˉ^{+}$ hy…

hep-ex2019★ 32 cited

Search for $C P$ violation and observation of $P$ violation in $Λ_{b}^{0} \to p π^{-} π^{+} π^{-}$ decays

LHCb collaboration, R. Aaij, C. Abellán Beteta +902

A search for $C P$ violation in the $Λ_{b}^{0} \to p π^{-} π^{+} π^{-}$ decay is performed using LHCb data corresponding to an integrated luminosity of 6.6 $f b^{- 1}$ collected in $pp$ coll…

hep-ex2019★ 64 cited

Test of lepton universality with $Λ_{b}^{0} \to p K^{-} ℓ^{+} ℓ^{-}$ decays

LHCb collaboration, R. Aaij, C. Abellán Beteta +904

The ratio of branching fractions of the decays $Λ_{b}^{0} \to p K^{-} e^{+} e^{-}$ and $Λ_{b}^{0} \to p K^{-} μ^{+} μ^{-}$ , $R_{p K}^{- 1}$ , is measured for the first time using proton-proto…

hep-ex2019★ 31 cited

Determination of quantum numbers for several excited charmed mesons observed in $B^{-} \to D^{*+} π^{-} π^{-}$ decays

LHCb collaboration, R. Aaij, C. Abellán Beteta +907

A four-body amplitude analysis of the $B^{-} \to D^{*+} π^{-} π^{-}$ decay is performed, where fractions and relative phases of the various resonances contributing to the decay are measu…

hep-ex2019★ 20 cited

Amplitude analysis of $B_{s}^{0} \to K_{S}^{0} K^{\pm} π^{\mp}$ decays

LHCb Collaboration, R. Aaij, C. Abellán Beteta +843

The first untagged decay-time-integrated amplitude analysis of $B_{s}^{0} \to K_{S}^{0} K^{\pm} π^{\mp}$ decays is performed using a sample corresponding to $3.0$ …

hep-ex2019★ 17 cited

Observation of $B_{(s)}^{0} \to J / ψ p p$ decays and precision measurements of the $B_{(s)}^{0}$ masses

LHCb Collaboration, R. Aaij, C. Abellán Beteta +843

The first observation of the decays $B_{(s)}^{0} \to J / ψ p p$ is reported, using proton-proton collision data corresponding to an integrated luminosity of $5.2{\text{\,fb}}…

hep-ex2018★ 18 cited

Search for the rare decay $B^{+} \to μ^{+} μ^{-} μ^{+} ν_{μ}$

LHCb collaboration, R. Aaij, C. Abellán Beteta +844

A search for the rare leptonic decay $B^{+} \to μ^{+} μ^{-} μ^{+} ν_{μ}$ is performed using proton-proton collision data corresponding to an integrated luminosity of $4.7$ fb$…

hep-ex2018★ 64 cited

Angular moments of the decay $Λ_{b}^{0} \to Λ μ^{+} μ^{-}$ at low hadronic recoil

LHCb collaboration, R. Aaij, B. Adeva +835

An analysis of the angular distribution of the decay $Λ_{b}^{0} \to Λ μ^{+} μ^{-}$ is presented, using data collected with the LHCb detector between 2011 and 2016 and correspond…

hep-ex2018★ 24 cited

Search for $C P$ violation in $Λ_{b}^{0} \to p K^{-}$ and $Λ_{b}^{0} \to p π^{-}$ decays

LHCb collaboration, R. Aaij, B. Adeva +834

A search for $C P$ violation in $Λ_{b}^{0} \to p K^{-}$ and $Λ_{b}^{0} \to p π^{-}$ decays is presented using a sample of $pp$ collisions collected with the LHCb detector and corresponding to…

hep-ex2018★ 26 cited

Measurement of angular and CP asymmetries in $D^{0} \to π^{+} π^{-} μ^{+} μ^{-}$ and $D^{0} \to K^{+} K^{-} μ^{+} μ^{-}$ decays

LHCb collaboration, R. Aaij, B. Adeva +832

The first measurements of the forward-backward asymmetry of the dimuon pair ( $A_{F B}$ ), the triple-product asymmetry ( $A_{2 ϕ}$ ), and the charge-parity-conjugation asymmetry ($A_{CP…

hep-ex2018★ 12 cited

Measurement of $D_{s}^{\pm}$ production asymmetry in $pp$ collisions at $s = 7$ and 8 TeV

R. Aaij, B. Adeva, M. Adinolfi +786

The inclusive $D_{s}^{\pm}$ production asymmetry is measured in $pp$ collisions collected by the LHCb experiment at centre-of-mass energies of $s = 7$ and 8 TeV. Promptly produ…

hep-ex2018★ 16 cited

Observation of the decay $Λ_{b}^{0} \to Λ_{c}^{+} p p π^{-}$

LHCb collaboration, R. Aaij, B. Adeva +787

The decay $Λ_{b}^{0} \to Λ_{c}^{+} p p π^{-}$ is observed using $pp$ collision data collected with the LHCb detector at centre-of-mass energies of $s =$ 7 and 8 TeV, corresp…

hep-ex2017★ 15 cited

Search for $B_{c}^{+}$ decays to two charm mesons

LHCb collaboration, R. Aaij, B. Adeva +791

A search for decays of $B_{c}^{+}$ mesons to two charm mesons is performed for the first time using data corresponding to an integrated luminosity of 3.0 fb $^{- 1}$ , collected by the LH…

hep-ex2017★ 24 cited

Search for excited $B_{c}^{+}$ states

LHCb collaboration, R. Aaij, B. Adeva +792

A search is performed in the invariant mass spectrum of the $B_{c}^{+} π^{+} π^{-}$ system for the excited $B_{c}^{+}$ states $B_{c} (2^{1} S_{0})^{+}$ and $B_{c} (2^{3} S_{1})^{+}$ using a data sam…

hep-ex2017★ 38 cited

Measurement of $C P$ observables in $B^{\pm} \to D^{()} K^{\pm}$ and $B^{\pm} \to D^{()} π^{\pm}$ decays

LHCb collaboration, R. Aaij, B. Adeva +803

Measurements of $C P$ observables in $B^{\pm} \to D^{(*)} K^{\pm}$ and $B^{\pm} \to D^{(*)} π^{\pm}$ decays are presented, where $D^{(*)}$ indicates a neutral $D$ or $D^{*}$ m…

hep-ex2017★ 14 cited

Observation of charmless baryonic decays $B_{(s)}^{0} \to p p h^{+} h^{' -}$

LHCb collaboration, R. Aaij, B. Adeva +770

Decays of $B^{0}$ and $B_{s}^{0}$ mesons to the charmless baryonic final states $p p h^{+} h^{' -}$ , where $h$ and $h^{'}$ each denote a kaon or a pion, are searched fo…

hep-ex2017★ 248 cited

Measurement of the $B_{s}^{0} \to μ^{+} μ^{-}$ branching fraction and effective lifetime and search for $B^{0} \to μ^{+} μ^{-}$ decays

LHCb collaboration, R. Aaij, B. Adeva +771

A search for the rare decays $B_{s}^{0} \to μ^{+} μ^{-}$ and $B^{0} \to μ^{+} μ^{-}$ is performed at the LHCb experiment using data collected in $pp$ collisions corresponding to a total integrated lum…

nucl-ex2014★ 36 cited

Effect of event selection on jetlike correlation measurement in $d$ +Au collisions at $s_{NN} = 200$ GeV

STAR Collaboration, L. Adamczyk, J. K. Adkins +327

Dihadron correlations are analyzed in $s_{_{NN}} = 200$ GeV $d$ +Au collisions classified by forward charged particle multiplicity and zero-degree neutral energy in the A…

nucl-ex2011★ 51 cited

Energy and system-size dependence of two- and four-particle $v_{2}$ measurements in heavy-ion collisions at RHIC and their implications on flow fluctuations and nonflow

The STAR Collaboration, G. Agakishiev, M. M. Aggarwal +344

We present STAR measurements of azimuthal anisotropy by means of the two- and four-particle cumulants $v_{2}$ ( $v_{2} {2}$ and $v_{2} {4}$ ) for Au+Au and Cu+Cu collisions at center of…

nucl-ex2011★ 32 cited

System size and energy dependence of near-side di-hadron correlations

STAR Collaboration, G. Agakishiev, M. M. Aggarwal +353

Two-particle azimuthal ( $Δ ϕ$ ) and pseudorapidity ( $Δ η$ ) correlations using a trigger particle with large transverse momentum ( $p_{T}$ ) in $d$ +Au, Cu+Cu and Au+Au collisions at $\sqrt…

Correlations of event activity with hard and soft processes in p + Au collisions at sNN​​ = 200 GeV at STAR

Imaging Shapes of Atomic Nuclei in High-Energy Nuclear Collisions

First observation and branching fraction measurement of the Λb0​→Ds−​p decay

Global polarization of Ξ and Ω hyperons in Au+Au collisions at sNN​​​ = 200 GeV

Search for CP violation and observation of P violation in Λb0​→pπ−π+π− decays

Test of lepton universality with Λb0​→pK−ℓ+ℓ− decays

Determination of quantum numbers for several excited charmed mesons observed in B−→D∗+π−π− decays

Amplitude analysis of Bs0​→KS0​K±π∓ decays

Observation of B(s)0​→J/ψpp​ decays and precision measurements of the B(s)0​ masses

Search for the rare decay B+→μ+μ−μ+νμ​

Angular moments of the decay Λb0​→Λμ+μ− at low hadronic recoil

Search for CP violation in Λb0​→pK− and Λb0​→pπ− decays

Measurement of angular and CP asymmetries in D0→π+π−μ+μ− and D0→K+K−μ+μ− decays

Measurement of Ds±​ production asymmetry in pp collisions at s​=7 and 8 TeV

Observation of the decay Λb0​→Λc+​pp​π−

Search for Bc+​ decays to two charm mesons

Search for excited Bc+​ states

Measurement of CP observables in B±→D(∗)K± and B±→D(∗)π± decays

Observation of charmless baryonic decays B(s)0​→pp​h+h′−

Measurement of the Bs0​→μ+μ− branching fraction and effective lifetime and search for B0→μ+μ− decays

Effect of event selection on jetlike correlation measurement in d+Au collisions at sNN​​=200 GeV

Energy and system-size dependence of two- and four-particle v2​ measurements in heavy-ion collisions at RHIC and their implications on flow fluctuations and nonflow