Sejong University

Identified charged hadron production in Au+Au collisions at $s_{NN}$ = 54.4 GeV with the STAR detector

STAR Collaboration, B. E. Aboona, J. Adam +360

We present results on the production of $π^{\pm}$ , $K^{\pm}$ , $p$ , and $p ˉ$ in Au+Au collisions at $s_{NN}$ = 54.4~GeV using the STAR detector at RHIC, at midrap…

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…

nucl-ex2025★ 5 cited

Observation of suppressed charged-particle production in ultrarelativistic oxygen-oxygen collisions

CMS Collaboration

A hot and dense state of nuclear matter, known as the quark-gluon plasma, is created in collisions of ultrarelativistic heavy nuclei. Highly energetic quarks and gluons, collective…

Observation of long-range collective flow in OO and NeNe collisions and implications for nuclear structure studies

CMS Collaboration

The long-range collective flow of particles produced in oxygen-oxygen (OO) and neon-neon (NeNe) collisions is measured with the CMS detector at the CERN LHC. The data samples were…

Observation of charmonium sequential suppression in heavy-ion collisions at the Relativistic Heavy Ion Collider

STAR Collaboration, B. E. Aboona, J. Adam +370

We report measurements of charmonium sequential suppression in Ru+Ru and Zr+Zr collisions at $s_{NN}$ = 200 GeV with the STAR experiment at the Relativistic Heavy…

nucl-ex2025★ 2 cited

Measurement of D $^{0}$ meson photoproduction in ultraperipheral heavy ion collisions

CMS Collaboration

This Letter reports the first measurement of photonuclear D $^{0}$ meson production in ultraperipheral heavy ion collisions. The study is performed using lead-lead collision data, wit…

nucl-ex2025★ 2 cited

Multiplicity dependence of $Ξ_{c}^{+}$ and $Ξ_{c}^{0}$ production in pp collisions at $s = 13$ TeV

ALICE Collaboration

The first measurement at midrapidity ( $∣ y ∣ < 0.5$ ) of the production yield of the strange-charm baryons $Ξ_{c}^{+}$ and $Ξ_{c}^{0}$ as a function of transverse momentum ( $p_{T}$ ) in di…

Exploring small-angle emissions in charm quark jets in proton-proton collisions at $s$ = 5.02 TeV

CMS Collaboration

A measurement of the angular structure of inclusive jets and those containing a prompt D $^{0}$ meson in proton-proton collisions at the LHC at a center-of-mass energy of 5.02 TeV is…

Study of $⟨ p_{T} ⟩$ and its higher moments, and extraction of the speed of sound in Pb-Pb collisions with ALICE

ALICE Collaboration

Ultrarelativistic heavy-ion collisions produce a state of hot and dense strongly interacting QCD matter called quark--gluon plasma (QGP). On an event-by-event basis, the volume of…

nucl-ex2025★ 4 cited

Search for the chiral magnetic effect through beam energy dependence of charge separation using event shape selection

The STAR Collaboration

High-energy, heavy-ion collisions can create local domains of chirality-imbalanced quarks, reflecting the topological features of quantum chromodynamics. The chiral magnetic effect…

Measurement of medium-induced acoplanarity in central Au-Au and pp collisions at $s_{NN} = 200$ GeV using direct-photon+jet and $π^{0}$ +jet correlations

The STAR Collaboration

The STAR Collaboration reports measurements of acoplanarity using semi--inclusive distributions of charged--particle jets recoiling from direct photon and $π^{0}$ triggers, in cent…

nucl-ex2025★ 5 cited

Search for jet quenching with dijets from high-multiplicity pPb collisions at $s_{NN}$ = 8.16 TeV

CMS Collaboration

The first measurement of the dijet transverse momentum balance $x_{j}$ in proton-lead (pPb) collisions at a nucleon-nucleon center-of-mass energy of $s_{NN}$ = 8.16 TeV…

Observation of coherent $ϕ$ (1020) meson photoproduction in ultraperipheral PbPb collisions at $s_{NN}$ = 5.36 TeV

CMS Collaboration

The first observation of coherent $ϕ$ (1020) meson photoproduction off heavy nuclei is presented using ultraperipheral lead-lead collisions at a center-of-mass energy per nucleon pa…

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…

Accessing the deuteron source with pion-deuteron femtoscopy in Pb-Pb collisions at $s_{NN} = 5.02$ TeV

ALICE Collaboration

Femtoscopy of non-identical particle pairs has been instrumental for precision measurements of both two-particle sources and the final-state interactions in high-energy elementary…

nucl-ex2025★ 4 cited

First measurement of D $^{*+}$ vector spin alignment in Pb $-$ Pb collisions at $s_{NN} = 5.02$ TeV

ALICE Collaboration

The first measurement of prompt D $^{*+}$ -meson spin alignment in ultrarelativistic heavy-ion collisions with respect to the direction orthogonal to the reaction plane is presented.…

Measurement of correlations among net-charge, net-proton, and net-kaon multiplicity distributions in Pb $-$ Pb collisions at $s_{NN} = 5.02$ TeV

ALICE Collaboration

Correlations among conserved quantum numbers, such as the net-electric charge, the net-baryon, and the net-strangeness in heavy-ion collisions, are crucial for exploring the QCD ph…

nucl-ex2025★ 5 cited

Probing gluon fluctuations in nuclei with the first energy-dependent measurement of incoherent J/ $ψ$ photoproduction in ultraperipheral PbPb collisions

CMS Collaboration

Incoherent J/ $ψ$ photoproduction in heavy ion ultraperipheral collisions (UPCs) provides a sensitive probe of localized, fluctuating gluonic structures within heavy nuclei. This st…

Observation of the charged-particle multiplicity dependence of $σ_{ψ (2 S)} / σ_{J / ψ}$ in pPb collisions at 8.16 TeV

CMS Collaboration

Bound states of charm and anticharm quarks, known as charmonia, have a rich spectroscopic structure that can be used to probe the dynamics of hadron production in high-energy hadro…

nucl-ex2025★ 4 cited

Investigating the p- $π^{\pm}$ and p-p- $π^{\pm}$ dynamics with femtoscopy in pp collisions at $s = 13$ TeV

ALICE Collaboration

The interaction between pions and nucleons plays a crucial role in hadron physics. It represents a fundamental building block of the low-energy QCD dynamics and is subject to sever…

Measurement of $ω$ meson production in pp and p $-$ Pb collisions at $s_{NN} = 5.02$ TeV

ALICE Collaboration

We present the measurement of the $p_{T}$ -differential production cross section of $ω$ mesons in pp and p $-$ Pb collisions at $s_{NN} = 5.02$ TeV at midrapidity by AL…

Charged-particle multiplicity distributions over a wide pseudorapidity range in p-Pb collisions at $s_{NN} = 5.02$ TeV

ALICE Collaboration

This paper presents the primary charged-particle multiplicity distributions in proton-lead collisions at a centre-of-mass energy per nucleon-nucleon collision of $\sqrt{s_{\rm NN}}…