616 citations · 3.2k across the 58 of their papers we have counts for
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Dileptons in heavy-ion collisions
Hendrik van Hees
In this review we give an overview about dileptons as probes for the properties of the strongly interacting hot and dense matter created in heavy-ion collisions at various beam ene…
Polarization of Thermal Dilepton Radiation
Florian Seck, Bengt Friman, Tetyana Galatyuk +4
The invariant mass spectra of dileptons radiated from the fireballs formed in high-energy heavy-ion collisions have been successfully used to investigate the properties of hot and…
Open Quantum Systems with Kadanoff-Baym Equations
Tim Neidig, Jan Rais, Marcus Bleicher +2
We study the temporal evolution of quantum mechanical fermionic particles exhibiting one bound state within a one-dimensional attractive square-well potential in a heat bath of bos…
Kinetics of the chiral phase transition in a quark-meson model
H. van Hees, A. Meistrenko, C. Greiner
Using the two-particle irreducible (2PI) -functional formalism for self-consistent approximations of a linear- model for quarks and mesons in and out of equilibrium, the buil…
Kinetics of the chiral phase transition in a linear model
C. Wesp, H. van Hees, A. Meistrenko +1
We study the dynamics of the chiral phase transition in a linear quark-meson model using a novel approach based on semiclassical wave-particle duality. The quarks are treated a…
Probing the QCD phase diagram with dileptons - a study using coarse-grained transport dynamics
Stephan Endres, Hendrik van Hees, Marcus Bleicher
Dilepton production in heavy-ion collisions at various energies is studied using coarse-grained transport simulations. Microscopic output from the Ultra-relativistic Quantum Molecu…
Energy, centrality and momentum dependence of dielectron production at collider energies in a coarse-grained transport approach
Stephan Endres, Hendrik van Hees, Marcus Bleicher
Dilepton production in heavy-ion collisions at collider energies - i.e., for the Relativistic Heavy-Ion Collider (RHIC) and the Large Hadron Collider (LHC) - is studied within an a…
Photon and dilepton production at the Facility for Antiproton and Ion Research and the beam energy scan program at the Relativistic Heavy-Ion Collider using coarse-grained microscopic transport simulations
Stephan Endres, Hendrik van Hees, Marcus Bleicher
We present calculations of dilepton and photon spectra for the energy range GeV which will be available for the Compressed Baryonic Matter (CBM) experiment…
Dilepton production and reaction dynamics in heavy-ion collisions at SIS energies from coarse-grained transport simulations
Stephan Endres, Hendrik van Hees, Janus Weil +1
Dilepton invariant-mass spectra for heavy-ion collisions at SIS 18 and BEVALAC energies are calculated using a coarse-grained time evolution from the Ultra-relativistic Quantum Mol…
Dilepton Production in Transport-based Approaches
Janus Weil, Stephan Endres, Hendrik van Hees +2
We investigate dilepton production in transport-based approaches and show that the baryon couplings of the meson represent the most important ingredient for understanding the m…
In-medium Spectral Functions in a Coarse-Graining Approach
Stephan Endres, Hendrik van Hees, Janus Weil +1
We use a coarse-graining approach to extract local thermodynamic properties from simulations with a microscopic transport model by averaging over a large ensemble of events. Settin…
A coarse-graining approach for dilepton production at SPS energies
Stephan Endres, Hendrik van Hees, Janus Weil +1
Coarse-grained output from transport calculations is used to determine thermal dilepton emission rates by applying medium-modified spectral functions from thermal quantum field the…
Dilepton Production in Transport-based Approaches
Janus Weil, Stephan Endres, Hendrik van Hees +2
We investigate dilepton production in transport-based approaches and show that the baryon couplings of the meson represent the most important ingredient for understanding the m…
Properties of Thermal Photons at RHIC and LHC
R. Rapp, H. van Hees, M. He
We study the emission characteristics of thermal photons at RHIC and LHC as affected by both the space-time evolution of the bulk medium and the thermal emission rates. For the for…
Pseudo-Critical Enhancement of Thermal Photons in Relativistic Heavy-Ion Collisions
Hendrik van Hees, Min He, Ralf Rapp
We compute the spectra and elliptic flow of thermal photons emitted in ultrarelativistic heavy-ion collisions (URHICs) at RHIC and LHC. The thermal emission rates are taken from co…
Strangeness in Quark Matter 2013: Opening Talk
J. Steinheimer, T. Lang, H. van Hees +5
We discuss several new developments in the field of strange and heavy flavor physics in high energy heavy ion collisions. As shown by many recent theoretical works, heavy flavored…
Dilepton Production in Transport Calculations and Coarse-Grained Dynamics
Stephan Endres, Hendrik van Hees, Janus Weil +1
We present transport calculations with the Ultra-relativistic Quantum Molecular Dynamics approach (UrQMD) for dilepton spectra at SIS energies. While we obtain a good agreement wit…
Relativistic Langevin Dynamics in Expanding Media
Min He, Hendrik van Hees, Pol B. Gossiaux +2
We study the consequences of different realizations of diffusion processes in relativistic Langevin simulations. We elaborate on the Ito-Stratonovich dilemma by showing how microsc…
Off-equilibrium photon production during the chiral phase transition
Frank Michler, Hendrik van Hees, Dennis D. Dietrich +2
In the early stage of ultrarelativistic heavy-ion collisions chiral symmetry is restored temporarily. During this so-called chiral phase transition, the quark masses change from th…
Dilepton production in proton-induced reactions at SIS energies with the GiBUU transport model
Janus Weil, Hendrik van Hees, Ulrich Mosel
We present dilepton spectra from p+p, d+p and p+Nb reactions at SIS energies, which were simulated with the GiBUU transport model in a resonance model approach. These spectra are c…
Dileptons in Heavy-Ion Collisions
H. van Hees, R. Rapp
Due to their penetrating nature, dileptons are a valuable probe for the properties of the hot and/or dense medium created in relativistic heavy-ion collisions. Dilepton invariant-m…
Charm and Charmonium in the Quark-Gluon Plasma
R. Rapp, D. Cabrera, H. van Hees
In the first part of the talk, we briefly review the problem of parton-energy loss and thermalization at the Relativistic Heavy-Ion Collider and discuss how heavy quarks (charm and…
Thermalization of Heavy Quarks in the Quark-Gluon Plasma
H. van Hees, R. Rapp
Charm- and bottom-quark rescattering in a Quark-Gluon Plasma (QGP) is investigated with the objective of assessing the approach towards thermalization. Employing a Fokker-Planck eq…
Soft Modes, Resonances and Quantum Transport
Yu. B. Ivanov, J. Knoll, H. van Hees +1
Effects of the propagation of particles, which have a finite life-time and an according width in their mass spectrum, are discussed in the context of transport description. First,…