321 citations · 2.3k across the 68 of their papers we have counts for
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Prospective report of the French QCD community to the ESPPU 2025 with respect to the program of the LHC Run 5 and beyond and future colliders at CERN
Carolina Arata, François Arleo, Benjamin Audurier +59
This document summarizes the prospective physics plans of the French QCD and Heavy-Ion community, including the experimental programs at the LHC Run 5 and beyond and future collide…
Quark Flavour Dependence of the Shear Viscosity in a Quasiparticle Model
Valeriya Mykhaylova, Marcus Bluhm, Krzysztof Redlich +1
We study the temperature-dependence of the shear viscosity to entropy density ratio in pure Yang-Mills theory and in QCD with light and strange quarks within kinetic theory in the…
Time-evolution of fluctuations as signal of the phase transition dynamics in a QCD-assisted transport approach
M. Bluhm, Y. Jiang, M. Nahrgang +3
For the understanding of fluctuation measurements in heavy-ion collisions it is crucial to develop quantitatively reliable dynamical descriptions which take the non-perturbative na…
QCD equation of state matched to lattice data and exhibiting a critical point singularity
Paolo Parotto, Marcus Bluhm, Debora Mroczek +6
We construct a family of equations of state for QCD in the temperature range 30 MeV 800 MeV and in the chemical potential range 450 MeV. These equatio…
Sensitivity of multiplicity fluctuations to freeze-out conditions in heavy ion collisions
Paolo Alba, Rene Bellwied, Marcus Bluhm +3
We study the sensitivity of the higher-order moments of produced particle multiplicity distributions to the chemical freeze-out parameters in relativistic heavy ion collisions usin…
Parametrization for chemical freeze-out conditions from net-charge fluctuations measured at RHIC
M. Bluhm, P. Alba, W. Alberico +4
We discuss details of our thermal model applied to extract chemical freeze-out conditions from fluctuations in the net-electric charge and net-proton number measured at RHIC. A par…
Determination of freeze-out conditions from fluctuation observables measured at RHIC
Marcus Bluhm, Paolo Alba, Wanda Alberico +4
We extract chemical freeze-out conditions via a thermal model approach from fluctuation observables measured at RHIC and compare with results from lattice QCD and statistical hadro…
Freeze-out conditions from net-proton and net-charge fluctuations at RHIC
Paolo Alba, Wanda Alberico, Rene Bellwied +4
We calculate ratios of higher-order susceptibilities quantifying fluctuations in the number of net protons and in the net-electric charge using the Hadron Resonance Gas (HRG) model…
Polyakov loop and gluon quasiparticles: a self-consistent approach to Yang-Mills thermodynamics
Paolo Alba, Wanda Alberico, Marcus Bluhm +3
We present a quasiparticle model for the pure gauge sector of QCD, in which transverse quasigluons propagate in a Polyakov loop background field. By incorporating thermodynamic sel…
Impact of resonance regeneration and decay on the net-proton fluctuations in a hadron resonance gas
Marlene Nahrgang, Marcus Bluhm, Paolo Alba +2
We investigate net-proton fluctuations as important observables measured in heavy-ion collisions within the hadron resonance gas (HRG) model. Special emphasis is given to effects w…
Lattice QCD-based equations of state at vanishing net-baryon density
M. Bluhm, P. Alba, W. Alberico +2
We present realistic equations of state for QCD matter at vanishing net-baryon density which embed recent lattice QCD results at high temperatures combined with a hadron resonance…
Impact of gluon damping on heavy-quark quenching
M. Nahrgang, M. Bluhm, P. B. Gossiaux +1
In this conference contribution, we discuss the influence of gluon-bremsstrahlung damping in hot, absorptive QCD matter on the heavy-quark radiation spectra. Within our Monte-Carlo…
Heavy quark quenching from RHIC to LHC and the consequences of gluon damping
Pol Bernard Gossiaux, Marlene Nahrgang, Marcus Bluhm +2
In this contribution to the Quark Matter 2012 conference, we study whether energy loss models established for RHIC energies to describe the quenching of heavy quarks can be applied…
Transport properties of hot gluonic matter
Marcus Bluhm, Marlene Nahrgang
We discuss the temperature dependence of the scaled jet quenching parameter of hot gluonic matter within a quasiparticle approach. A pronounced maximum in the vicinity of the trans…
Radiative energy loss in the absorptive QGP: taming the long formation lengths in coherent emission
Marcus Bluhm, Pol Bernard Gossiaux, Thierry Gousset +1
In an absorptive plasma, damping of radiation mechanisms can influence the bremsstrahlung formation in case of large radiation formation lengths. We study qualitatively the influen…
Radiative energy loss of relativistic charged particles in absorptive media
M. Bluhm, P. B. Gossiaux, J. Aichelin
We determine the energy loss spectrum per time-interval of a relativistic charge traversing a dispersive medium. Polarization and absorption effects in the medium are modelled via…
Recent results on heavy quark quenching in ultrarelativistic heavy ion collisions
Pol Bernard Gossiaux, Joerg Aichelin, Marcus Bluhm +4
In this contribution, we present some predictions for the production of D and B mesons in ultrarelativistic heavy ion collisions at RHIC and LHC energies and confront them with exp…
Formation of bremsstrahlung in an absorptive QED/QCD medium
Marcus Bluhm, Pol Bernard Gossiaux, Thierry Gousset +1
The radiative energy loss of a relativistic charge in a dense, absorptive medium can be affected significantly by damping phenomena. The effect is more pronounced for large energie…
Radiative energy loss reduction in an absorptive plasma
Marcus Bluhm, Pol Bernard Gossiaux, Joerg Aichelin
The influence of the damping of radiation on the radiative energy loss spectrum of a relativistic charge in an infinite, absorptive plasma is studied. We find increasing reduction…
Transport Coefficients in Gluodynamics: From Weak Coupling towards the Deconfinement Transition
M. Bluhm, B. Kampfer, K. Redlich
We study the ratio of bulk to shear viscosity in gluodynamics within a phenomenological quasiparticle model. We show that at large temperatures this ratio exhibits a quadratic depe…
Plasma damping effects on the radiative energy loss of relativistic particles
Marcus Bluhm, Pol Bernard Gossiaux, Joerg Aichelin
The energy loss of a relativistic charge undergoing multiple scatterings while traversing an infinite, polarizable and absorptive plasma is investigated. Polarization and damping m…
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…
Ratio of bulk to shear viscosity in a quasigluon plasma: from weak to strong coupling
M. Bluhm, B. Kampfer, K. Redlich
The ratio of bulk to shear viscosity is expected to exhibit a different behaviour in weakly and in strongly coupled systems. This can be expressed by its dependence on the squared…
Viscosities of the quasigluon plasma
M. Bluhm, B. Kampfer, K. Redlich
We investigate bulk and shear viscosities of the gluon plasma within relaxation time approximation to an effective Boltzmann-Vlasov type kinetic theory by viewing the plasma as des…