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We use (3+1)-dimensional hydrodynamics with exact longitudinal boost-invariance to study the influence of collision centrality and initial energy density on the transverse flow pattern and the angular distributions of particles emitted near…

高能物理 - 唯象学 · 物理学 2009-10-09 Peter F. Kolb , Josef Sollfrank , Ulrich Heinz

We review recent studies about anisotropic flows ($v_1, v_2, v_3$) of charmonium in the quark-gluon plasma produced in relativistic heavy-ion collisions. Collective flows of the bulk medium are developed due to the anisotropic pressure…

核理论 · 物理学 2022-11-21 Chenyu Li , Baoyi Chen

The early production of heavy quarks ($c\bar{c}$ and $b\bar{b}$) makes charmonia an ideal probe to study the evolution of the hot and dense medium produced in ultra-relativistic heavy-ion collisions, known as the quark--gluon plasma (QGP).…

核实验 · 物理学 2025-09-10 Ingrid McKibben Lofnes

Within hydrodynamics we study the effects of the initial spatial anisotropy in non-central heavy-ion collisions on the momentum distributions of the emitted hadrons. We show that the elliptic flow measured at midrapidity in 158 A GeV/c…

核理论 · 物理学 2009-10-09 Peter F. Kolb , Josef Sollfrank , Ulrich Heinz

Open heavy flavor and quarkonia have long been identified as ideal probes for understanding the quark-gluon plasma (QGP). Heavy quarks are produced in the early stage of the heavy-ion collisions. Therefore they experience the evolution of…

高能物理 - 实验 · 物理学 2024-11-25 Victor Valencia Torres

Charmonium directed flows are studied based on transport model coupled with the realistic three dimensional expansions of the bulk medium. The non-central symmetric nucleus-nucleus collisions can generate the rotating quark-gluon plasma…

核理论 · 物理学 2020-02-19 Baoyi Chen , Maoxin Hu , Huanyu Zhang , Jiaxing Zhao

Quantum Chromodynamics predicts a phase transition from ordinary hadronic matter to the quark-gluon plasma (QGP) at high temperatures and energy densities, where quarks and gluons (partons) are not confined within hadrons. The QGP is…

核实验 · 物理学 2024-11-15 ALICE Collaboration

Quarkonium production in high-energy hadronic collisions provides a fundamental test of QCD. Its modification in a nuclear medium is a sensitive probe of the space-time temperature profile and transport properties of the QGP, yielding…

高能物理 - 唯象学 · 物理学 2019-02-20 Ivan Vitev

The strong interaction between heavy quarks and the quark gluon plasma makes the open and hidden charm hadrons be sensitive probes of the deconfinement phase transition in high energy nuclear collisions. Both the cold and hot nuclear matter…

高能物理 - 唯象学 · 物理学 2016-11-23 Kai Zhou , Wei Dai , Nu Xu , Pengfei Zhuang

The azimuthal anisotropies of the collective transverse flow of hadrons are investigated in a large range of heavy-ion collision energy within the Parton-Hadron-String Dynamics (PHSD) microscopic transport approach which incorporates…

核理论 · 物理学 2015-05-30 V. P. Konchakovski , E. L. Bratkovskaya , W. Cassing , V. D Toneev , V. Voronyuk

While the existence of a strongly interacting state of matter, known as 'quark-gluon plasma' (QGP), has been established in heavy ion collision experiments in the past decade, the task remains to map out the transition from the hadronic…

核理论 · 物理学 2013-06-04 Jussi Auvinen , Hannah Petersen

Using the dilute-dense factorization in the Color Glass Condensate framework, we investigate the azimuthal angular correlation between a heavy quarkonium and a charged light hadron in proton-nucleus collisions. We extract the second…

高能物理 - 唯象学 · 物理学 2019-05-08 Cheng Zhang , Cyrille Marquet , Guang-You Qin , Shu-Yi Wei , Bo-Wen Xiao

The production of charmonia in heavy-ion collisions is investigated within a kinetic theory framework simultaneously accounting for dissociation and regeneration processes in both quark-gluon plasma (QGP) and hadron-gas phases of the…

高能物理 - 唯象学 · 物理学 2009-11-10 L. Grandchamp , R. Rapp , G. E. Brown

Heavy ion collisions in the low energy run at Relativistic Heavy Ion Collider (RHIC) and future Facility for Antiproton and Ion Research (FAIR) in Germany are expected to produce a quark-gluon plasma that has a finite baryon chemical…

核理论 · 物理学 2011-03-07 Lie-Wen Chen , Che Ming Ko , Wei Liu , Ben-Wei Zhang

Elliptic flow has been one of the key observables for establishing the finding of the quark-gluon plasma (QGP) at the highest energies of Relativistic Heavy Ion Collider (RHIC) and the Large Hadron Collider (LHC). As a sign of collectively…

核理论 · 物理学 2015-06-17 Jussi Auvinen , Hannah Petersen

In relativistic heavy-ion collisions, the production of heavy quarks at large transverse momenta is strongly suppressed compared to proton-proton collisions. In addition an unexpectedly large azimuthal anisotropy was observed for the…

核理论 · 物理学 2018-12-12 Weiyao Ke , Yingru Xu , Steffen A. Bass

Quarkonium production is one of the golden probes to study the quark--gluon plasma (QGP). Among many observables, the measurement of azimuthal anisotropies in quarkonium production sheds light on the collective behavior of heavy-flavor…

核实验 · 物理学 2025-12-24 Chi Zhang

The quark-gluon plasma (QGP) produced in ultrarelativistic heavy-ion collisions has exhibited properties of a mostly perfect fluid. These properties can be observed through the hydrodynamic expansion of the QGP. Experimentally, this was…

高能物理 - 实验 · 物理学 2025-05-21 Victor Valencia Torres

The production of charmonium in heavy-ion collisions is investigated based on Boltzmann-type transport model for charmonium evolution and langevin equation for charm quark evolution. Charmonium suppression and regeneration in both…

高能物理 - 唯象学 · 物理学 2016-05-04 Baoyi Chen

In this short review we summarize experimental information and theoretical results for the low-energy dissociation cross sections of charmonia by light hadrons. These cross sections are required for the simulation of charmonium absorption…

核理论 · 物理学 2009-11-10 T. Barnes
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