Z. Chen

activity

19992026

most citedPattern of Global Spin Alignment of

ϕ

and

K^{* 0}

mesons in Heavy-Ion Collisions

149 citations · 1.1k across the 58 of their papers we have counts for

collaborators

58 papers

nucl-ex2026

ePIC Early Science Report

D. Abbott, N. Abdelrahman, S. Abhijit +781

This Early Science Report from the ePIC Collaboration outlines the compelling physics program achievable during the first years of operation of the Electron-Ion Collider (EIC), pri…

nucl-ex2026

Modification of $Υ$ production in $p$ O and OO collisions at LHCb

LHCb collaboration, R. Aaij, M. Abdelfatah +1161

The production rates of $Υ (2 S)$ and $Υ (3 S)$ mesons relative to that of the $Υ (1 S)$ state are measured in $pp$ , $p$ O, and OO collisions by the LHCb collaboratio…

nucl-ex2025

Evidence of Spin-Interference Effects in Exclusive $J / ψ \to e^{+} e^{-}$ Photoproduction in Ultraperipheral Heavy-Ion Collisions

The STAR Collaboration

We report the first evidence of spin interference in exclusive $J / ψ \to e^{+} e^{-}$ photoproduction in ultraperipheral heavy-ion collisions at STAR at $s_{N N} = 200$ ~GeV. In Au+A…

hep-ex2025

Study of Central Exclusive Production of $π^{+} π^{-}$ , $K^{+} K^{-}$ and $p p ˉ$ Pairs in Proton-Proton Collisions at $s = 510$ GeV with the STAR Detector at RHIC

STAR Collaboration, B. E. Aboona, J. Adam +378

We report on the first measurement of the Central Exclusive Production process in proton-proton collisions: $pp \to p h^{+} h^{-} p$ (where $h = π, K, p$ ) at the center-of-…

nucl-ex2025

Measurement of inclusive $J / ψ$ production in Au+Au collisions at $s_{NN} = 54.4$ GeV at STAR

The STAR Collaboration

This article presents measurements of inclusive $J / ψ$ production at midrapidity ( $∣ y ∣ <$ 1.0) in Au+Au collisions at $s_{NN} = 54.4$ GeV with the STAR dete…

nucl-ex2025★ 1 cited

Rapidity and multiplicity dependence of charged-particle flow in $p$ Pb collisions at $s_{N N} = 8.16$ TeV

R. Aaij, A. S. W. Abdelmotteleb, C. Abellan Beteta +1129

The elliptic and triangular flow of charged particles are measured using two-particle angular correlations in $p$ Pb collisions in the pseudorapidity range \cal{2.0 $< ∣ η ∣ <$ 4.8}.…

nucl-ex2025★ 13 cited

Onset of Constituent Quark Number Scaling in Heavy-Ion Collisions at RHIC

STAR Collaboration, B. E. Aboona, J. Adam +355

Partonic collectivity is one of the necessary signatures for the formation of quark-gluon plasma in high-energy nuclear collisions. Number of constituent quarks (NCQ) scaling has b…

nucl-ex2024

Beam-energy dependence of correlations between mean transverse momentum and anisotropic flow of charged particles in Au+Au collisions at RHIC

The STAR Collaboration

The correlation between the mean transverse momentum, $[p_{T}]$ , and the squared anisotropic flow, $v_{n}^{2}$ , on an event-by-event basis has been suggested to be influen…

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}^{+}…

nucl-ex2024★ 3 cited

Tracking the baryon number with nuclear collisions

STAR Collaboration

Baryon quantum number is believed to be conserved since baryogenesis in the early Universe. While fractionally charged valence quarks are understood conventionally to each carry a…

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★ 1 cited

Tracking of charged particles with nanosecond lifetimes at LHCb

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1063

A method is presented to reconstruct charged particles with lifetimes between 10 ps and 10 ns, which considers a combination of their decay products and the partial tracks created…

nucl-ex2024

Temperature Measurement of Quark-Gluon Plasma at Different Stages

STAR Collaboration

In a Quark-Gluon Plasma (QGP), the fundamental building blocks of matter, quarks and gluons, are under extreme conditions of temperature and density. A QGP could exist in the early…

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-ex2023★ 6 cited

Multiplicity dependence of $σ_{ψ (2 S)} / σ_{J / ψ}$ in $pp$ collisions at $s = 13$ TeV

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

The ratio of production cross-sections of $ψ (2 S)$ over $J / ψ$ mesons as a function of charged-particle multiplicity in proton-proton collisions at a centre-of-mass energy $\sqrt{s}=…

nucl-ex2023★ 1 cited

Measurement of flow coefficients in high-multiplicity $p$ +Au, $d$ +Au and $^{3}$ He $+$ Au collisions at $s_{_{NN}}$ =200 GeV

STAR Collaboration, M. I. Abdulhamid, B. E. Aboona +350

Flow coefficients ( $v_{2}$ and $v_{3}$ ) are measured in high-multiplicity $p$ +Au, $d$ +Au, and $^{3}$ He $+$ Au collisions at a center-of-mass energy of $s_{_{NN}}$ = 200 G…

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…

nucl-ex2023★ 13 cited

Estimate of Background Baseline and Upper Limit on the Chiral Magnetic Effect in Isobar Collisions at $s_{NN} = 200$ GeV at the Relativistic Heavy-Ion Collider

STAR Collaboration, M. I. Abdulhamid, B. E. Aboona +342

For the search of the chiral magnetic effect (CME), STAR previously presented the results from isobar collisions ( $_{44}^{96} Ru +_{44}^{96} Ru$ , ${^{96}_{40}\text{Z…

nucl-ex2023★ 18 cited

Observation of the Antimatter Hypernucleus $_{Λ ˉ}^{4} H$

STAR Collaboration, M. I. Abdulhamid, B. E. Aboona +350

At the origin of the Universe, asymmetry between the amount of created matter and antimatter led to the matter-dominated Universe as we know today. The origins of this asymmetry re…

hep-ex2023★ 1 cited

Results on Elastic Cross Sections in Proton-Proton Collisions at $s = 510$ GeV with the STAR Detector at RHIC

STAR Collaboration, M. I. Abdulhamid, B. E. Aboona +351

We report results on an elastic cross section measurement in proton-proton collisions at a center-of-mass energy $s = 510$ GeV, obtained with the Roman Pot setup of the STAR e…

hep-ex2023★ 8 cited

Longitudinal and transverse spin transfer to $Λ$ and $Λ$ hyperons in polarized $p$ + $p$ collisions at $s = 200$ GeV

STAR Collaboration, M. I. Abdulhamid, B. E. Aboona +364

The longitudinal and transverse spin transfers to $Λ$ ( $Λ$ ) hyperons in polarized proton-proton collisions are expected to be sensitive to the helicity and transversity di…

nucl-ex2023★ 5 cited

Reaction plane correlated triangular flow in Au+Au collisions at $s_{N N} = 3$ GeV

STAR Collaboration, M. I. Abdulhamid, B. E. Aboona +349

We measure triangular flow relative to the reaction plane at 3 GeV center-of-mass energy in Au+Au collisions at the BNL Relativistic Heavy Ion Collider. A significant $v_{3}$ signal…

nucl-ex2023★ 14 cited

Upper Limit on the Chiral Magnetic Effect in Isobar Collisions at the Relativistic Heavy-Ion Collider

STAR Collaboration, M. I. Abdulhamid, B. E. Aboona +342

The chiral magnetic effect (CME) is a phenomenon that arises from the QCD anomaly in the presence of an external magnetic field. The experimental search for its evidence has been o…

ePIC Early Science Report

Modification of Υ production in pO and OO collisions at LHCb

Evidence of Spin-Interference Effects in Exclusive J/ψ→e+e− Photoproduction in Ultraperipheral Heavy-Ion Collisions

Study of Central Exclusive Production of π+π−, K+K− and ppˉ​ Pairs in Proton-Proton Collisions at s​=510 GeV with the STAR Detector at RHIC

Measurement of inclusive J/ψ production in Au+Au collisions at sNN​​=54.4 GeV at STAR

Rapidity and multiplicity dependence of charged-particle flow in pPb collisions at sNN​​=8.16 TeV

Onset of Constituent Quark Number Scaling in Heavy-Ion Collisions at RHIC

Beam-energy dependence of correlations between mean transverse momentum and anisotropic flow of charged particles in Au+Au collisions at RHIC

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

Tracking the baryon number with nuclear collisions

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

Tracking of charged particles with nanosecond lifetimes at LHCb

Temperature Measurement of Quark-Gluon Plasma at Different Stages

Imaging Shapes of Atomic Nuclei in High-Energy Nuclear Collisions

Multiplicity dependence of σψ(2S)​/σJ/ψ​ in pp collisions at s​=13 TeV

Measurement of flow coefficients in high-multiplicity p+Au, d+Au and 3He+Au collisions at sNN​​​=200 GeV

Momentum scale calibration of the LHCb spectrometer

Estimate of Background Baseline and Upper Limit on the Chiral Magnetic Effect in Isobar Collisions at sNN​​=200 GeV at the Relativistic Heavy-Ion Collider

Observation of the Antimatter Hypernucleus Λˉ4​H

Results on Elastic Cross Sections in Proton-Proton Collisions at s​=510 GeV with the STAR Detector at RHIC

Longitudinal and transverse spin transfer to Λ and Λ hyperons in polarized p+p collisions at s​=200 GeV

Reaction plane correlated triangular flow in Au+Au collisions at sNN​​=3 GeV

Upper Limit on the Chiral Magnetic Effect in Isobar Collisions at the Relativistic Heavy-Ion Collider

Modification of $Υ$ production in $p$ O and OO collisions at LHCb

Evidence of Spin-Interference Effects in Exclusive $J / ψ \to e^{+} e^{-}$ Photoproduction in Ultraperipheral Heavy-Ion Collisions

Study of Central Exclusive Production of $π^{+} π^{-}$ , $K^{+} K^{-}$ and $p p ˉ$ Pairs in Proton-Proton Collisions at $s = 510$ GeV with the STAR Detector at RHIC

Measurement of inclusive $J / ψ$ production in Au+Au collisions at $s_{NN} = 54.4$ GeV at STAR

Rapidity and multiplicity dependence of charged-particle flow in $p$ Pb collisions at $s_{N N} = 8.16$ TeV

Study of $D_{s 1} (2460)^{+} \to D_{s}^{+} π^{+} π^{-}$ in $B \to D ˉ^{(*)} D_{s}^{+} π^{+} π^{-}$ 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 $s = 13 T e V$

Multiplicity dependence of $σ_{ψ (2 S)} / σ_{J / ψ}$ in $pp$ collisions at $s = 13$ TeV

Measurement of flow coefficients in high-multiplicity $p$ +Au, $d$ +Au and $^{3}$ He $+$ Au collisions at $s_{_{NN}}$ =200 GeV

Estimate of Background Baseline and Upper Limit on the Chiral Magnetic Effect in Isobar Collisions at $s_{NN} = 200$ GeV at the Relativistic Heavy-Ion Collider

Observation of the Antimatter Hypernucleus $_{Λ ˉ}^{4} H$

Results on Elastic Cross Sections in Proton-Proton Collisions at $s = 510$ GeV with the STAR Detector at RHIC

Longitudinal and transverse spin transfer to $Λ$ and $Λ$ hyperons in polarized $p$ + $p$ collisions at $s = 200$ GeV

Reaction plane correlated triangular flow in Au+Au collisions at $s_{N N} = 3$ GeV