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26/10/2026, 09:00
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Ralf Rapp26/10/2026, 09:10
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John Matthew Durham (Los Alamos National Laboratory)26/10/2026, 09:50
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Zhenyu Ye (Lawrence Berkeley National Lab. (US))26/10/2026, 11:00
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Gian Michele Innocenti (Massachusetts Inst. of Technology (US))26/10/2026, 11:30
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Jiazhao Lin (Indiana University (US))26/10/2026, 12:00
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Lijuan Ruan26/10/2026, 14:00
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Gian Michele Innocenti (Massachusetts Inst. of Technology (US)), Yen-Jie Lee (Massachusetts Inst. of Technology (US))26/10/2026, 14:30
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Ramona Vogt26/10/2026, 15:00
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Dr Jianwei Qiu (Jefferson Lab)26/10/2026, 16:00
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Christine Aidala (University of Michigan (US))26/10/2026, 16:30
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Sean Dobbs (Thomas Jefferson National Accelerator Facility), Sean Dobbs26/10/2026, 17:00
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Deepa Thomas (University of Texas at Austin (US))27/10/2026, 09:00
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Maria Fernanda Torres Cabrera (University of Houston (US))27/10/2026, 09:20
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Nihar Ranjan Saha (Purdue University (US)), Soumik Chandra (Purdue University (US))27/10/2026, 09:40
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Ezra Lesser (Los Alamos National Laboratory)27/10/2026, 10:00
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Dr Ivan Vitev27/10/2026, 11:00
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Dr Shuzhe SHI (Tsinghua University)27/10/2026, 11:30
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Marco Ruggieri27/10/2026, 12:00
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Jean Du Plessis (Massachusetts Institute of Technology)27/10/2026, 14:00
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Juhee Hong (Yonsei University)27/10/2026, 14:20
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Tharun Krishna Vodur Satheesh Kumar (Cyclotron Institute, Texas A&M University)27/10/2026, 14:40
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Jorge Manuel Martínez Vera (Università di Torino)27/10/2026, 15:00
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Kaiyu Fu27/10/2026, 15:20
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Manuel Ramirez Garcia (University of Michigan (US))27/10/2026, 16:00
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Joshua Bautista27/10/2026, 16:20
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Thomas Hardin27/10/2026, 16:40
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Zachary Akridge (Indiana University)27/10/2026, 17:00
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Dillon Fitzgerald (University of Michigan (US))27/10/2026, 17:20
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Peter Petreczky (BNL), Peter Petreczky28/10/2026, 09:00
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Austin Alan Baty (University of Illinois Chicago)28/10/2026, 09:30
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Sungtae Cho28/10/2026, 10:00
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Axel Drees28/10/2026, 11:00
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Taesoo Song28/10/2026, 11:30
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Peter Vander Griend (University of Washington), Peter Vander Griend28/10/2026, 12:00
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Vincenzo Greco28/10/2026, 14:00
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Biaogang Wu28/10/2026, 14:30
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huan huang28/10/2026, 15:00
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Binu Muraleedharan Nair28/10/2026, 15:50
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Sabin Thapa (Kent State University)28/10/2026, 16:10
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Qiuchan Lu (LLR, Centre National de la Recherche Scientifique (FR))28/10/2026, 16:30
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Rachid Nouicer28/10/2026, 16:50
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Hugo Pereira Da Costa (Los Alamos National Laboratory (US))28/10/2026, 17:10
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Muhammad Usman Ashraf (Wayne State University)28/10/2026, 17:30
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Zhangbu Xu, Zhangbu Xu (Kent State University)29/10/2026, 09:00
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Dr Georgios Krintiras (The University of Kansas (US))29/10/2026, 09:30
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Dr Xuan Li (Los Alamos National Laboratory)29/10/2026, 10:00
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Jackson Reeves Pybus (Los Alamos National Laboratory (US))29/10/2026, 10:30
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Xin Dong29/10/2026, 11:30
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Pol-Bernard GOSSIAUX29/10/2026, 12:10
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29/10/2026, 12:50
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Deepa Thomas (University of Texas at Austin (US))
In hadronic collisions, heavy quarks are produced in hard scattering processes with large momentum transfer, subsequently initiating parton showers that develop into jets. In heavy-ion collisions, where a quark-gluon plasma (QGP) is formed, heavy quarks interact with the medium constituents and lose energy. In this process, the parton shower can be modified, leading to jet quenching. While the...
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Oveis Sheibani (Wayne State University (US))
This talk will review the status of angular correlation measurements involving charm hadrons in pp and heavy ion collisions. The discussion will include correlations of charm hadrons with charm, strange, and non strange associated hadrons, as well as charm balance functions. Their dependence on relative azimuth, rapidity, and transverse momentum offers different ways to separate hard processes...
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Taesoo Song
We apply the Remler formalism to charmonium production at SPS and GSI/FAIR energies in order to investigate the effects of baryon-rich matter on charmonium production and dissociation in heavy-ion collisions within the Parton-Hadron-String Dynamics (PHSD).
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As a first step the Remler formalism is tested in p+p collisions and then applied to p+A collisions in order to extract the nuclear... -
Kaiyu Fu
Two classical transport approaches have been used in the literature to describe quarkonium kinetics in the medium: A Fokker-Planck equation for the heavy-quark diffusion is coupled to heavy quark-antiquark pairs with an attractive color-singlet potential[1,2]. However, its stationary solution (classical Gibbs-Boltzmann distribution) generally differs from the statistical equilibrium limit. In...
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Christine Aidala (University of Michigan (US))
Transverse-momentum-dependent (TMD) parton distribution functions (PDFs) complement traditional collinear PDFs to provide information on the 3D momentum structure of the nucleon, and TMD fragmentation functions (FFs) offer information on the effects of nonperturbative transverse momentum in the process of hadronization. Heavy flavor hadron production is particularly sensitive to various...
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Biaogang Wu (Kent State University)
Heavy quarkonia are key probes of the strongly coupled quark-gluon plasma (QGP) created in ultrarelativistic heavy-ion collisions. Their observed yields and momentum spectra reflect a rich interplay of in-medium binding and dissociation, regeneration from heavy quarks, feeddown, formation-time effects, and cold-nuclear-matter modifications. A quantitative interpretation of charmonium and...
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Joshua Bautista
At high enough energies, a quark traveling through the quark gluon plasma (QGP) will primarily lose energy through medium-induced gluon emissions. In this process, the emitted gluon will need some time before it fully forms. This time duration is called the formation time, and it grows with the energy of the radiating quark. At even higher energies, the formation time could grow to be much...
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Carlos Vazquez Sierra (Universidade da Coruña (ES))
Heavy-flavor hadrons are produced abundantly in proton-proton collisions at the Large Hadron Collider (LHC). Measuring the momentum distribution of particles inside jets, including these heavy-flavor hadrons, provides insight into the non-perturbative process of hadronization. Thanks to LHCb’s forward rapidity acceptance, its vertex locator, excellent particle identification, and full...
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Zachary Akridge (Indiana University)
The original flip-flop potential model of mesons [1] was created to describe meson-meson scattering, using the principle that the component quarks should arrange themselves so as to minimize the overall QCD flux tube energy. The quarks can then "flip" between two possible classical di-meson pair configurations depending on their relative positions. While the spectrum of a di-meson system can...
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Bruno Scheihing (KITP, University of California, Santa Barbara)
Heavy quarks are usually modelled as Brownian probes of the quark-gluon plasma, with momentum exchange encoded by drag and Gaussian diffusion. Recent weak- and strong-coupling results show that this diffusion truncation misses a robust feature of real-time heavy-quark dynamics: the longitudinal momentum-transfer distribution has a Gaussian core but asymmetric exponential tails. These tails are...
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Juhee Hong (Yonsei University)
We discuss a nonequilibrium Green’s function approach to heavy-quark transport within the framework of the Kadanoff-Baym equation [1]. One- and two-loop self-energy diagrams with hard-thermal-loop resummed propagators are calculated in the real-time formalism. Under the quasiparticle approximation, the kinetic equation reduces to the Boltzmann equation that accounts for elastic scattering and...
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Tharun Krishna Vodur Satheesh Kumar (Cyclotron Institute, Texas A&M University)
Heavy quarks are unique probes of the transport properties and hadronization mechanisms of the quark–gluon plasma formed in ultra-relativistic heavy-ion collisions, but their strong coupling to the evolving medium requires a multi-ingredient approach for reliable descriptions of in-medium interactions. We present recent developments in our heavy-flavor transport framework [1], which combines...
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Carlos Vazquez Sierra (Universidade da Coruña (ES))
Open and hidden charm production provides key insight into heavy-quark dynamics and hadronisation mechanisms in nuclear environments. They probe charm-quark production and hadronisation mechanisms but are also sensitive to both hadronisation and nuclear effects.
The fixed-target programme at LHCb, enabled by SMOG2, allows measurements from √sₙₙ ≈ 70 to 113 GeV in a unique kinematic regime....
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Dr Axel Drees (Stony Brook University)
Measurements of charm and bottom production provide important tests of
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perturbative QCD and establish essential baselines for studies of heavy-quark
interactions with the quark-gluon plasma. We present recent PHENIX measurements
of open heavy-flavor production in $p+p$ collisions at $\sqrt{s}=200$ GeV
using dielectrons recorded in 2015. The analysis exploits the precision... -
Sungtae Cho
We discuss heavy quarkonia and exotic hadrons by focusing on their production in heavy-ion collisions. In the first part, we investigate the transverse momentum distributions of J/ψ, ψ(2S), and χc1(1P) mesons and study their elliptic flow when they are produced by recombination at the quark-hadron phase boundary. We show that the wave function distribution of charmonium states or the Wigner...
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Muhammad Usman Ashraf (Wayne State University)
The sPHENIX experiment at RHIC was designed to perform precision measurements of heavy-flavor particles, quarkonia, and jets, and was fully commissioned in 2024. Using its unique hybrid triggered and streaming readout, sPHENIX collected over $10~\mathrm{pb}^{-1}$ of unbiased $p+p$ collisions and over $6.5~\mathrm{nb}^{-1}$ of minimum-bias Au+Au collisions. A key goal of the sPHENIX...
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Hugo Pereira Da Costa (Los Alamos National Laboratory (US))
Quarkonia, bound states of heavy quarks (charm quarks for J/$\psi$ and excited states; beauty quarks for $\Upsilon$) constitute prominent tools to study QCD in both cold and hot nuclear matter environments. In proton-proton collisions, quarkonia carry information about the partonic structure of the nucleon. Their detailed formation from an initial heavy quark pair also poses a challenge to how...
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Mr Sabin Thapa (Kent State University)
Light-ion collisions connect small collision systems with large nucleus–nucleus collisions and provide a controlled way to investigate the onset of quark-gluon plasma formation. We will present a systematic study of charmonium and bottomonium production and modification in p+Pb, d+Au, O+O, and Ne+Ne collisions at RHIC and the LHC. Cold nuclear matter effects are described using nuclear...
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Dr Xuan Li (Los Alamos National Laboratory)
Heavy flavor (charm and bottom) production provides a stringent test of perturbative Quantum Chromodynamics (pQCD) and a sensitive probe of the transport properties of nuclear matter. Its experimental study, however, is particularly challenging due to low production rate and substantial background contributions. The future Electron-Ion Collider (EIC) will utilize high-luminosity high-energy...
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Rachid Nouicer
Rachid Nouicer for the PHENIX Collaboration
In high-energy hadronic collisions, heavy quarks are produced predominantly in the initial hard scatterings. $B$-mesons, which are composed of a bottom antiquark and another type of a light quark can then undergo a variety of decays, like $B$-meson decays to $J/\psi$, and studying these decays provides valuable insights on QCD mediums produced by...
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Binu Muraleedharan Nair, Marco Ruggieri
We study the time evolution of the density matrix of a heavy quark-antiquark pair immersed in the early stage of high energy nuclear collisions using an Open-Quantum-Systems approach. The early stage is described in terms of an SU(3) evolving glasma, dominated by out-of-equilibrium gluon fields. We derive the evolution equations for the density matrix elements of a static quark-antiquark pair...
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Dillon Fitzgerald (University of Michigan (US))
The LHCb experiment is a single-arm forward spectrometer specifically designed for efficient detection and reconstruction of heavy flavor hadrons. This supports a diverse physics program for both quantum chromodynamics (QCD) and flavor physics. For the former, heavy flavor production provides unique insight into the mass hierarchy of QCD, both in the context of the hadronization process and...
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Thomas Hardin
The total three-momentum dependence of quarkonia is phenomenologically important in heavy-ion collisions. Finite-temperature lattice-QCD encodes this dependence in spatial correlators with good precision. We deploy a microscopic model that simultaneously provides a reliable three-momentum dependence, reproduces euclidean correlator ratios, and remains numerically stable through the oscillatory...
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Jorge Manuel Martínez Vera (Università di Torino + Universitat de Barcelona)
Quarkonium suppression is a key signature of quark–gluon plasma dynamics. While semiclassical transport models have reached a mature stage, providing phenomenological predictions for nearly two decades, fully quantum descriptions of quarkonium evolution remain comparatively less developed. A central challenge is to construct a coherent framework that is both rooted in a microscopic...
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Dr Georgios Krintiras (The University of Kansas (US))
Recent measurements at the LHC have opened new opportunities to study QCD with top quarks. This talk will present results on top quark pair ($\mathrm{t}\bar{\mathrm{t}}$) production in PbPb collisions, including its centrality dependence and sensitivity to nuclear initial-state effects. It will also discuss the recently observed enhancement in $\mathrm{t}\bar{\mathrm{t}}$ production near...
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