189 citations · 3.2k across the 131 of their papers we have counts for
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Exploring the properties of the Hadronic Phase in Heavy-Ion Collisions at RHIC Energies via Partial Chemical Equilibrium
Rishabh Sharma, Chitrasen Jena, Volodymyr Vovchenko
The hadronic phase in heavy-ion collisions plays a crucial role in shaping the final-state hadron abundances. In this work, we study Au+Au collisions at = 7.7-2…
High-order cumulants and correlation functions near the critical point from molecular dynamics
Volodymyr A. Kuznietsov, Roman Poberezhniuk, Mark I. Gorenstein +2
We present a systematic investigation of particle number fluctuations in the crossover region near the critical endpoint of a first-order phase transition using molecular dynamics…
Systematics of the chemical freeze-out line in the high baryon density regime explored at SIS100
Emma Lilith Hofmann, Tom Reichert, Volodymyr Vovchenko +2
The systematic uncertainties of chemical freeze-out fits at SIS100 energies (Au+Au reactions at GeV) are studied using UrQMD simulations. Although hadron produc…
Proton cumulants from hydrodynamics in light of new STAR data
Volodymyr Vovchenko, Volker Koch
New measurements of proton number cumulants from the Beam Energy Scan Phase II (BES-II) program at RHIC by the STAR Collaboration provide unprecedented precision and insights into…
Acceptance dependence of factorial cumulants, long-range correlations, and the antiproton puzzle
Adam Bzdak, Volker Koch, Volodymyr Vovchenko
We analyze joint factorial cumulants of protons and antiprotons in relativistic heavy-ion collisions and point out that they obey the scaling $\hat{C}_{nm}^{p,\bar{p}} \propto \lan…
Correlations between nuclear incompressibility, liquid-gas critical point, and quarkyonic transition
Artemiy Lysenko, Mark I. Gorenstein, Tripp Moss +2
We systematically probe different parametrizations of the attractive nuclear force based on real gas models to construct the nuclear matter equation of state. In each of the cases,…
Quantum van der Waals quarkyonic matter at non-zero isospin asymmetry
Tripp Moss, Roman Poberezhniuk, Volodymyr Vovchenko
We extend the recently developed quantum van der Waals quarkyonic matter to non-zero isospin asymmetries by utilizing the two-component van der Waals equation with a generalized ex…
Magnetic Field Effects on Hadron Yields and Fluctuations
Volodymyr Vovchenko
We explore the impact of an external magnetic field on hadron yields and fluctuations in a thermalized system within the hadron resonance gas (HRG) model using an expanded Thermal-…
Chemical freeze-out curve in heavy-ion collisions and the QCD critical point
Artemiy Lysenko, Mark I. Gorenstein, Roman Poberezhniuk +1
The chemical freeze-out curve in heavy-ion collisions is investigated in the context of a quantum chromodynamics (QCD) critical point (CP) search at finite baryon densities. Taking…
Convergence properties of -Expansion Scheme: Hadron Resonance Gas and Cluster Expansion Model
Micheal Kahangirwe, Irene Gonzalez, Jorge A. Muñoz +2
In this study, we assess the effectiveness and robustness of the recently proposed -expansion scheme for expanding the equation of state of strongly interacting matter to finit…
Coordinate versus momentum cuts and effects of collective flow on critical fluctuations
Volodymyr A. Kuznietsov, Mark I. Gorenstein, Volker Koch +1
We analyze particle number fluctuations in the crossover region near the critical endpoint of a first-order phase transition by utilizing molecular dynamics simulations of the clas…
Might Normal Nuclear Matter be Quarkyonic?
Volker Koch, Larry McLerran, Gerald A. Miller +1
The possibility that nuclear matter might be Quarkyonic is considered. Quarkyonic matter is high baryon density matter that is confined but can be approximately thought of as a fil…
QCD at finite temperature and density: Criticality
Volodymyr Vovchenko
We overview recent theoretical developments in the search for QCD critical point at finite temperature and density, including from lattice QCD, effective QCD theories, and proton n…
Quantum van der Waals theory meets quarkyonic matter
Roman V. Poberezhnyuk, Horst Stoecker, Volodymyr Vovchenko
We incorporate the empirical low-density properties of isospin symmetric nuclear matter into the excluded-volume model for quarkyonic matter by including attractive mean field in t…
Dense Nuclear Matter Equation of State from Heavy-Ion Collisions
Agnieszka Sorensen, Kshitij Agarwal, Kyle W. Brown +133
The nuclear equation of state (EOS) is at the center of numerous theoretical and experimental efforts in nuclear physics. With advances in microscopic theories for nuclear interact…
Centrality dependence of proton and light nuclei yields as a consequence of baryon annihilation in the hadronic phase
Volodymyr Vovchenko, Volker Koch
The centrality dependence of the ratio measured by the ALICE Collaboration in 5.02 TeV Pb-Pb collisions indicates a statistically significant suppression with the increase of…
Constraints on hadron resonance gas interactions via first-principles Lattice QCD susceptibilities
Jamie M. Karthein, Volker Koch, Claudia Ratti +1
We investigate extensions of the Hadron Resonance Gas (HRG) Model beyond the ideal case by incorporating both attractive and repulsive interactions into the model. When considering…
Long Range Plan: Dense matter theory for heavy-ion collisions and neutron stars
Alessandro Lovato, Travis Dore, Robert D. Pisarski +61
Since the release of the 2015 Long Range Plan in Nuclear Physics, major events have occurred that reshaped our understanding of quantum chromodynamics (QCD) and nuclear matter at l…
Quarkyonic or baryquark matter? On the dynamical generation of momentum space shell structure
Volker Koch, Volodymyr Vovchenko
We study the equation of state of a mixture of (quasi-)free constituent quarks and nucleons with hard-core repulsion at zero temperature. Two opposite scenarios for the realization…
Energy dependence of light hypernuclei production in heavy-ion collisions from a coalescence and statistical-thermal model perspective
Tom Reichert, Jan Steinheimer, Volodymyr Vovchenko +2
A comparison of light hypernuclei production, from UrQMD+coalescence and the thermal model, in heavy ion collisions over a wide range of beam energies and system sizes is presented…
Fluctuations of conserved charges in hydrodynamics and molecular dynamics
Volodymyr Vovchenko
I present an overview of recent theoretical results on fluctuations of conserved charges in heavy-ion collisions obtained in relativistic hydrodynamics and molecular dynamics frame…
Enhanced dilepton emission from a phase transition in dense matter
O. Savchuk, A. Motornenko, J. Steinheimer +4
It is demonstrated that the presence of a phase transition in heavy ion collisions, at beam energies that probe dense QCD matter, leads to a significant enhancement of the dilepton…
Proton number cumulants and correlation functions from hydrodynamics and the QCD phase diagram
Volodymyr Vovchenko, Volker Koch, Chun Shen
We analyze the behavior of (net-)proton number cumulants in central collisions of heavy ions across a broad collision energy range by utilizing hydrodynamic simulations. The calcul…
Phenomenological developments for event-by-event fluctuations of conserved charges
Volodymyr Vovchenko
A brief overview of the recent developments concerning theoretical description of event-by-event fluctuations in heavy-ion collisions is presented, with an emphasis on the role of…