616 citations · 3.2k across the 58 of their papers we have counts for
30 papers · 1 filter
Heavy-Quark Diffusion in the Quark-Gluon Plasma
Min He, Hendrik van Hees, Ralf Rapp
The diffusion of heavy quarks through the quark-gluon plasma (QGP) as produced in high-energy heavy-ion collisions has long been recognized as an excellent probe of its transport p…
Kinetics of the chiral phase transition in a quark-meson -model
Alex Meistrenko, Hendrik van Hees, Carsten Greiner
In this study an effective description in the 2PI effective-action formalism for systems of quarks and mesons in and out of equilibrium within a numerical approach is developed, al…
Thermal Electromagnetic Radiation in Heavy-Ion Collisions
R. Rapp, H. van Hees
We review the potential of precise measurements of electromagnetic probes in relativistic heavy-ion collisions for the theoretical understanding of strongly interacting matter. The…
Rôle of the pion electromagnetic form factor in the timelike transition
G. Ramalho, M. T Pena, J. Weil +2
The magnetic dipole form factor () is described here within a new covariant model that combines the valence quark core together with the pion cloud…
Kinetic approach to a relativistic Bose-Einstein condensate
Alex Meistrenko, Hendrik van Hees, Kai Zhou +1
We apply a Boltzmann approach to the kinetic regime of a relativistic Bose-Einstein condensate of scalar bosons by decomposing the one-particle distribution function in a condensat…
Dileptons in a coarse-grained transport approach
H. van Hees, S. Endres, J. Weil +1
We calculate dilepton spectra in heavy-ion collisions using a coarse-graining approach to the simulation of the created medium with the UrQMD transport model. This enables the use…
Monte-Carlo approach to particle-field interactions and the kinetics of the chiral phase transition
Carsten Greiner, Christian Wesp, Hendrik van Hees +1
The kinetics of the chiral phase transition is studied within a linear quark-meson- model, using a Monte-Carlo approach to semiclassical particle-field dynamics. The meson field…
Thermal Dileptons as Fireball Thermometer and Chronometer
Ralf Rapp, Hendrik van Hees
Thermal dilepton radiation from the hot fireballs created in high-energy heavy-ion collisions provides unique insights into the properties of the produced medium. We first show how…
A Monte Carlo framework for noncontinuous interactions between particles and classical fields
Christian Wesp, Hendrik van Hees, Alex Meistrenko +1
Particles and fields are standard components in numerical simulations like transport simulations in nuclear physics and have very well understood dynamics. Still, a common problem…
Nonequilibrium dynamics and transport near the chiral phase transition of a quark-meson model
Alex Meistrenko, Christian Wesp, Hendrik van Hees +1
Based on the 2PI quantum effective action of the linear sigma model with constituent quarks, we develop a transport approach to study systems out of equilibrium. In particular, we…
Dynamics of the chiral phase transition
H. van Hees, C. Wesp, A. Meistrenko +1
The intention of this study is the search for signatures of the chiral phase transition in heavy-ion collisions. To investigate the impact of fluctuations, e.g., of the baryon numb…
Asymptotic description of finite lifetime effects on the photon emission from a quark-gluon plasma
Frank Michler, Hendrik van Hees, Dennis D. Dietrich +1
Direct photons play an important role as electromagnetic probes from the quark-gluon plasma (QGP) which occurs during ultrarelativistic heavy-ion collisions. In this context, it is…
Correlated D-meson decays competing against thermal QGP dilepton radiation
Thomas Lang, Hendrik van Hees, Jan Steinheimer +1
The QGP that might be created in ultrarelativistic heavy-ion collisions is expected to radiate thermal dilepton radiation. However, this thermal dilepton radiation interferes with…
Dileptons from correlated D- and -meson decays in the invariant mass range of the QGP thermal radiation using the UrQMD hybrid model
Thomas Lang, Hendrik van Hees, Jan Steinheimer +1
Relativistic heavy-ion collisions produce a hot and dense thermalized medium, that is expected to emit thermal radiation in form of dileptons. These dileptons are not affected by t…
Elliptic flow and nuclear modification factors of D-mesons at FAIR in a Hybrid-Langevin approach
Thomas Lang, Hendrik van Hees, Jan Steinheimer +1
The Compressed Baryonic Matter (CBM) experiment at the Facility for Anti-proton and Ion Research (FAIR) will provide new possibilities for charm-quark (-meson) observables in he…
Heavy quark transport at RHIC and LHC
Thomas Lang, Hendrik van Hees, Jan Steinheimer +2
We calculate the heavy quark evolution in heavy ion collisions and show results for the elliptic flow as well as the nuclear modification factor at RHIC and LHC ener…
Heavy quark transport in heavy ion collisions at RHIC and LHC within the UrQMD transport model
Thomas Lang, Hendrik van Hees, Jan Steinheimer +1
We have implemented a Langevin approach for the transport of heavy quarks in the UrQMD hybrid model. The UrQMD hybrid approach provides a realistic description of the background me…
Heavy Quark Dynamics in the QGP
V. Greco, H. van Hees, R. Rapp
We assess transport properties of heavy quarks in the Quark-Gluon Plasma (QGP) that show a strong non-perturbative behavior. A T-matrix approach based on a potential taken from lat…
Description of fully differential Drell-Yan pair production
Fabian Eichstaedt, Stefan Leupold, Kai Gallmeister +2
We investigate Drell-Yan pair production in a QCD inspired model, which takes into account all relevant hard processes up to . To address the known shortfalls of such a fix…
Thermal Photons and Collective Flow at the Relativistic Heavy-Ion Collider
H. van Hees, C. Gale, R. Rapp
We update our calculations of thermal-photon production in nuclear collisions at the Relativistic Heavy-Ion Collider (RHIC). Specifically, we address the recent experimental observ…
Transport-theoretical Description of Nuclear Reactions
O. Buss, T. Gaitanos, K. Gallmeister +7
In this review we first outline the basics of transport theory and its recent generalization to off-shell transport. We then present in some detail the main ingredients of any tran…
The influence of bulk evolution models on heavy-quark phenomenology
Pol Bernard Gossiaux, Sascha Vogel, Hendrik van Hees +4
We study the impact of different Quark-Gluon Plasma expansion scenarios in heavy-ion collisions on spectra and elliptic flow of heavy quarks. For identical heavy-quark transport co…
Nonperturbative Heavy-Quark Interactions in the QGP
R. Rapp, F. Riek, H. van Hees +2
We adopt a -matrix approach to study quarkonium properties and heavy-quark transport in a Quark-Gluon Plasma. The -matrix approach is well suited to implement potential scatt…
The Chiral Restoration Transition of QCD and Low Mass Dileptons
R. Rapp, J. Wambach, H. van Hees
Recent developments in the evaluation of vector-meson spectral functions in hot and dense matter are discussed with emphasis on connections to the chiral phase transition in QCD. M…