Publications (163)
Transition balance in QCD nucleation
Tianzhe Zhou, Qiuze Sun, Jin Hu +2
As an extended and more complete version of the primary QCD nucleation model presented in Ref. [1], the new model introduces explicitly the transition balance and formulates it in…
Exploring jet transport coefficients by elastic and radiative scatterings in the strongly interacting quark-gluon plasma
Ilia Grishmanovskii, Taesoo Song, Olga Soloveva +2
We investigate the interaction of leading jet partons within a strongly interacting quark-gluon plasma (sQGP) medium, using the effective dynamical quasiparticle model (DQPM). The…
The Shear Viscosity to Entropy Density Ratio of Hagedorn States
Jan Rais, Kai Gallmeister, Carsten Greiner
The fireball concept of Rolf Hagedorn, developed in the 1960's, is an alternative description of hadronic matter. Using a recently derived mass spectrum, we use the transport model…
Critical point signatures in the cluster expansion in fugacities
Volodymyr Vovchenko, Carsten Greiner, Volker Koch +1
The QCD baryon number density can formally be expanded into a Laurent series in fugacity, which is a relativistic generalization of Mayer's cluster expansion. We determine properti…
Classical Fields Near Thermal Equilibrium
Carsten Greiner, Berndt Muller
We discuss the classical limit for the long-distance (``soft'') modes of a quantum field when the hard modes of the field are in thermal equilibrium. We address the question of the…
QCD plasma thermalization, collective flow and extraction of shear viscosity
Zhe Xu, Carsten Greiner, Horst Stoecker
Fast thermalization and elliptic flow of QCD matter found at the Relativistic Heavy Ion Collider (RHIC) are understood as the consequence of perturbative QCD (pQCD) interactions wi…
Low Mass Dilepton Rate from the Deconfined Phase
Carsten Greiner, Najmul Haque, Munshi G. Mustafa +1
We discuss low mass dilepton rates ( GeV) from the deconfined phase of QCD using both perturbative and non-perturbative models and compare with those from lattice gauge theo…
Transition from ideal to viscous Mach cones in BAMPS
Ioannis Bouras, Andrej El, Oliver Fochler +3
We investigate in a microscopical transport model the evolution of conical structures originating from the supersonic projectile moving through the matter of ultrarelativistic part…
Open charm and dileptons from relativistic heavy-ion collisions
Elena Bratkovskaya, Taesoo Song, Pierre Moreau +1
We study the dynamics of open charm production and the dilepton radiation of the semi-leptonic decays of correlated pairs versus the quark-gluon plasma (QGP) radiation an…
Calculation of anisotropic transport coefficients for an ultrarelativistic Boltzmann gas in a magnetic field within a kinetic approach
Zhengyu Chen, Carsten Greiner, Anping Huang +1
According to the Kubo formulas we employ the (3+1)-d parton cascade, Boltzmann approach of multiparton scatterings (BAMPS), to calculate the anisotropic transport coefficients (she…
Shear viscosity of ultrarelativistic Boson systems in the presence of a Bose-Einstein condensate
Zhengyu Chen, Carsten Greiner, Zhe Xu +1
We calculate for the first time the shear viscosity of ultrarelativistic Boson systems in the presence of a Bose-Einstein condensate (BEC). Two different methods are used. One is t…
Energy loss in a partonic transport model including bremsstrahlung processes
Oliver Fochler, Zhe Xu, Carsten Greiner
A detailed investigation of the energy loss of gluons that traverse a thermal gluonic medium simulated within the perturbative QCD--based transport model BAMPS (a Boltzmann approac…
Dynamical scheme for hadronization with first-order phase transition
Bohao Feng, Zhe Xu, Carsten Greiner
We present a dynamical scheme for hadronization with first-order confinement phase transition. The thermodynamical conditions of phase equilibrium, the fluid velocity profile, and…
Simulation of stationary Gaussian noise with regard to the Langevin equation with memory effect
Julian Schmidt, Alex Meistrenko, Hendrik van Hees +1
We present an efficient method for simulating a stationary Gaussian noise with an arbitrary covariance function and then study numerically the impact of time-correlated noise on th…
Dissociation and regeneration of charmonia within microscopic Langevin simulations
Naomi Oei, Juan M. Torres-Rincon, Hendrik van Hees +1
We present a classical model to study the formation of charmonia, as well as dissociation and regeneration processes of heavy-quark bound states in the quark gluon plasma using Lan…
Determining the Duration of the Hadronic Stage at RHIC-BES Energies via Resonance Suppression Using a Full Set of Rate Equations
Tim Neidig, Apiwit Kittiratpattana, Tom Reichert +3
We present realistic estimates for the duration of the hadronic stage in central Au+Au reactions in the RHIC-BES energy regime. To this aim, we employ a full set of coupled rate eq…
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…
Interactions of multi-quark states in the chromodielectric model
Gunnar Martens, Carsten Greiner, Stefan Leupold +1
We investigate 4-quark () systems as well as multi-quark states with a large number of quarks and anti-quarks using the chromodielectric model. In the former type…
Stochastic interpretation of Kadanoff-Baym equations and their relation to Langevin processes
Carsten Greiner, Stefan Leupold
In this more pedagogical study we want to elucidate on stochastic aspects inherent to the (non-)equilibrium real time Green's function description (or `closed time path Green's fun…
Shear viscosity and out of equilibrium dynamics
Andrej El, Zhe Xu, Carsten Greiner +1
Using Grad's method, we calculate the entropy production and derive a formula for the second-order shear viscosity coefficient in a one-dimensionally expanding particle system, whi…
Bound state formation within the Lindblad approach
Jan Rais, Hendrik van Hees, Carsten Greiner
The Lindblad master equation is a frequently used Markovian approach to describe open quantum systems in terms of the temporal evolution of a reduced density matrix. Here, the ther…
Bjorken flow attractors with transverse dynamics
Victor E. Ambrus, Sergiu Busuioc, Jan A. Fotakis +2
In the context of the longitudinally boost-invariant Bjorken flow with transverse expansion, we use three different numerical methods to analyze the emergence of attractor solution…
Heavy quark production at RHIC and LHC within a partonic transport model
Jan Uphoff, Oliver Fochler, Zhe Xu +1
The production and space-time evolution of charm and bottom quarks in nucleus-nucleus collisions at RHIC and LHC are investigated with the partonic transport model BAMPS (Boltzmann…
Collective effects in microscopic transport models
Carsten Greiner
We give a reminder on the major inputs of microscopic hadronic transport models and on the physics aims when describing various aspects of relativistic heavy ion collisions at SPS…
Generalisation of Gunion-Bertsch Formula for Soft Gluon Emission
Raktim Abir, Carsten Greiner, Mauricio Martinez +1
We generalise the most extensively used Gunion-Bertsch formula for the soft gluon emission in a perturbative QCD, which could be very important for the phenomenology of the hot and…
Nucleosynthesis in heavy-ion collisions at the LHC via the Saha equation
Volodymyr Vovchenko, Kai Gallmeister, Jürgen Schaffner-Bielich +1
The production of light (anti-)(hyper-)nuclei in heavy-ion collisions at the LHC is considered in the framework of the Saha equation, making use of the analogy between the evolutio…
Heavy quarks and charmonium at RHIC and LHC within a partonic transport model
Jan Uphoff, Kai Zhou, Oliver Fochler +2
Heavy quark and charmonium production as well as their space-time evolution are studied in transport simulations of heavy-ion collisions at RHIC and LHC. In the partonic transport…
Transport properties of the strongly interacting quark-gluon plasma
Ilia Grishmanovskii, Taesoo Song, Olga Soloveva +2
We investigate the transport properties of the strongly interacting quark-gluon plasma (sQGP) by comparing the role of elastic and inelastic (radiative) processes in the sQGP mediu…
Solving the puzzle of high temperature light (anti)-nuclei production in ultra-relativistic heavy ion collisions
Tim Neidig, Kai Gallmeister, Carsten Greiner +2
The creation of loosely bound objects in heavy ion collisions, e.g. light clusters, near the phase transition temperature has bee…
Exploring jet transport coefficients by elastic scattering in the strongly interacting quark-gluon plasma
Ilia Grishmanovskii, Taesoo Song, Olga Soloveva +2
We study the interaction of leading jet partons in a strongly interacting quark-gluon plasma (sQGP) medium based on the effective dynamical quasi-particle model (DQPM). The DQPM de…
Compact Stars for Undergraduates
Irina Sagert, Matthias Hempel, Carsten Greiner +1
We report on an undergraduate student project initiated in the summer semester of 2004 with the aim to establish equations of state for white dwarfs and neutron stars for computing…
Jets and flow within a pQCD-based partonic transport model
Oliver Fochler, Zhe Xu, Carsten Greiner
We present fully dynamic simulations of heavy ion collisions at RHIC energies within the perturbative QCD-based partonic transport model BAMPS, focusing on the simultaneous investi…
The quark-gluon-plasma phase transition diagram, Hagedorn matter and quark-gluon liquid
Ismail Zakout, Carsten Greiner
In order to study the nuclear matter in the relativistic heavy ion collisions and the compact stars, we need the hadronic density of states for the entire () phase transiti…
Quark Pair Production in the Chiral Phase Transition
Carsten Greiner
The production of quarks and antiquarks during a sudden restoration of chiral symmetry, as it might occur in very energetic heavy ion collisions, is considered. If gluons are alrea…
RHIC and LHC phenomena with an unified parton transport
Ioannis Bouras, Andrej El, Oliver Fochler +6
We discuss recent applications of the partonic pQCD based cascade model BAMPS with focus on heavy-ion phenomeneology in hard and soft momentum range. The nuclear modification facto…
Transverse momentum diffusion and jet energy loss in non-Abelian plasmas
Bjoern Schenke, Michael Strickland, Adrian Dumitru +2
We consider momentum broadening and energy loss of high momentum partons in a hot non-Abelian plasma due to collisions. We solve the coupled system of Wong-Yang-Mills equations on…
Susceptibilities of strongly interacting matter in a finite volume
Christian Spieles, Marcus Bleicher, Carsten Greiner
We investigate possible finite-volume effects on baryon number susceptibilities of strongly interacting matter. Assuming that a hadronic and a deconfined phase both contribute to t…
Diffusion processes involving multiple conserved charges: a first study from kinetic theory and implications to the fluid-dynamical modeling of heavy ion collisions
Jan A. Fotakis, Moritz Greif, Gabriel Denicol +2
The bulk nuclear matter produced in heavy ion collisions carries a multitude of conserved quantum numbers: electric charge, baryon number, and strangeness. Therefore, the diffusion…
Bound-state formation and thermalization within the Lindblad approach
Jan Rais, Hendrik van Hees, Carsten Greiner
The Lindblad equation, as one approach to open quantum systems, describes the density matrix of a particle or a chain of interacting particles, which are in contact with a thermal…
Kadanoff-Baym approach to bound states in open quantum systems
Tim Neidig, Marcus Bleicher, Hendrik van Hees +1
In this paper, we extend the method of Kadanoff-Baym equations for open quantum systems to arbitrary kinds of systems and heat baths, either fermionic or bosonic. This includes thr…
Inelastic and elastic parton scatterings in the strongly interacting quark-gluon plasma
Ilia Grishmanovskii, Olga Soloveva, Taesoo Song +2
We investigate the role of inelastic processes in the strongly interacting quark-gluon plasma (sQGP) based on the effective dynamical quasi-particle model (DQPM). In the DQPM the n…
Thermalization of gluons with Bose-Einstein condensation
Zhe Xu, Kai Zhou, Pengfei Zhuang +1
We study the thermalization of gluons far from thermal equilibrium in relativistic kinetic theory. The initial distribution of gluons is assumed to resemble that in the early stage…
Transport coefficients of heavy quarks by elastic and radiative scatterings in the strongly interacting quark-gluon plasma
Ilia Grishmanovskii, Taesoo Song, Carsten Greiner +1
We extend our investigation of heavy quark transport coefficients in the effective dynamical quasiparticle model (DQPM) -- which reproduces nonperturbative QCD phenomena in the str…
Spin Asymmetry of J/psi in Peripheral Pb+Pb Collisions at LHC
Yunpeng Liu, Carsten Greiner, Che Ming Ko
By generalizing the statistical model for particle production to the spin degree of freedom of initially produced J/psi, we study the spin projection J_y of J/psi perpendicular to…
Elliptic Flow Suppression due to Hadron Mass Spectrum
Jacquelyn Noronha-Hostler, Jorge Noronha, Gabriel S. Denicol +3
Hadron resonance gas models provide a good description of the equation of state of quantum chromodynamics determined by lattice QCD calculations at temperatures Me…
Transport Coefficients of Hadronic Matter near
Jacquelyn Noronha-Hostler, Jorge Noronha, Carsten Greiner
A hadron resonance gas model including all known particles and resonances with masses GeV and an exponentially rising density of Hagedorn states for GeV is used to obta…
Electric Conductivity of a hot hadron gas from a kinetic approach
Moritz Greif, Carsten Greiner, Gabriel S. Denicol
We calculate the electric conductivity of a gas of relativistic particles with isotropic cross sections using the Boltzmann equation as the starting point. Our analyses is restrict…
Perturbative QCD Calculations of Elliptic Flow and Shear Viscosity in Au+Au Collisions at GeV
Zhe Xu, Carsten Greiner, Horst Stoecker
The elliptic flow and the ratio of the shear viscosity over the entropy density, , of gluon matter are calculated from the perturbative QCD (pQCD) based parton cascade…
Incomplete electromagnetic response of hot QCD matter
Zeyan Wang, Jiaxing Zhao, Carsten Greiner +2
The electromagnetic response of hot QCD matter to decaying external magnetic fields is investigated. We examine the validity of Ohm's law and find that the induced electric current…
Glueballs amass at RHIC and LHC Colliders! - The early quarkless 1st order phase transition at MeV - from pure Yang-Mills glue plasma to GlueBall-Hagedorn states
Horst Stoecker, Kai Zhou, Stefan Schramm +18
The early stage of high multiplicity pp, pA and AA collider is represented by a nearly quarkless, hot, deconfined pure gluon plasma. According to pure Yang-Mills Lattice Gauge Theo…
Open heavy flavor at RHIC and LHC in a partonic transport model
Jan Uphoff, Oliver Fochler, Zhe Xu +1
Heavy quarks are a unique probe to study the medium produced in ultra-relativistic heavy ion collisions. Within the partonic transport model Boltzmann approach to multi-parton scat…
Physics of Strange Matter
Carsten Greiner
Relativistic heavy ion collisions offer the possibility to produce exotic metastable states of nuclear matter containing (roughly) equal number of strangeness compared to the conte…
Kramers's escape rate problem within a non-Markovian description
Benjamin Schüller, Alex Meistrenko, Hendrik van Hees +2
We compare the thermal escape rates of a Brownian particle, initially trapped into one of the two wells of an asymmetric double-well potential, for thermal Markovian and non-Markov…
Nonequilibrium photon production in partonic transport simulations
Moritz Greif, Florian Senzel, Heiner Kremer +3
We discuss the implementation of leading-order photon production in nonequilibrium partonic transport simulations. In this framework photons are produced by microscopic scatterings…
Production, elliptic flow and energy loss of heavy quarks in the quark-gluon plasma
Jan Uphoff, Oliver Fochler, Zhe Xu +1
Production, elliptic flow and the nuclear modification factor of charm and bottom quarks are studied in central and non-central heavy-ion collisions at RHIC and LHC using the parto…
The role of the gluonic gg<->ggg interactions in early thermalization in ultrarelativistic heavy-ion collisions
Zhe Xu, Carsten Greiner
We ``quantify'' the role of elastic as well as inelastic gg<->ggg pQCD processes in kinetic equilibration within a pQCD inspired parton cascade. The contributions of different proc…
Strangeness in strongly interacting matter
Carsten Greiner
This talk is devoted to review the field of strangeness production in (ultra-)relativistic heavy ion collisions within our present theoretical understanding. Historically there hav…
Extraction of shear viscosity in stationary states of relativistic particle systems
Felix Reining, Ioannis Bouras, Andrej El +3
Starting from a classical picture of shear viscosity we construct a stationary velocity gradient in a microscopic parton cascade. Employing the Navier-Stokes ansatz we extract the…
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…
Hadronic vs. partonic J/psi production in the Statistical Hadronization Model
Philipp B. Bahavar, Jan Uphoff, Carsten Greiner
Assuming the Statistical Hadronization Model and charm flavour conservation, one can quantify the deviation of charm and anti-charm quarks from chemical equilibrium both in the had…
Collectivity in small systems - Initial state vs. final state effects
Moritz Greif, Carsten Greiner, Björn Schenke +2
Observations of long rang azimuthal correlations in small collision systems (p+p/A) have triggered an enormous excitement in the heavy-ion community. However, it is presently uncle…
Bound State Formation in Time Dependent Potentials
Jan Rais, Hendrik van Hees, Carsten Greiner
We study the temporal formation of quantum mechanical bound states within a one-dimensional attractive square-well potential, by first solving the time-independent Schroedinger equ…
Antihyperon-Production in Relativistic Heavy Ion Collision
Carsten Greiner, Stefan Leupold
Recently it has been shown that the observed antiproton yield in heavy-ion collisions at CERN-SpS energies can be understood by multi-pionic interactions which enforce local chemic…
A model of the effect of collisions on QCD plasma instabilities
Bjoern Schenke, Michael Strickland, Carsten Greiner +1
We study the effect of including a BGK collisional kernel on the collective modes of a QCD plasma which has a hard-particle distribution function which is anisotropic in momentum s…
Solving the Lindblad equation with methods from computational fluid dynamics
Jan Rais, Adrian Koenigstein, Niklas Zorbach +1
Liouvillian dynamics describes the evolution of a density operator in closed quantum systems. One extension towards open quantum systems is provided by the Lindblad equation. It is…
Cross-conductivity: novel transport coefficients to constrain the hadronic degrees of freedom of nuclear matter
Jean-Bernard Rose, Moritz Greif, Jan Hammelmann +4
In general, the constituents of the bulk matter produced in heavy-ion collisions carry, besides electric charge, multiple other conserved quantum numbers like baryon number and str…
Thermalization of a color glass condensate and review of the "Bottom-Up" scenario
Andrej El, Zhe Xu, Carsten Greiner
Thermalization of a longitudinally expanding color glass condensate with Bjorken boost invariant geometry is investigated within microscopical parton cascade BAMPS. Our main focus…
Dependence of elliptic flow on number of parton degrees of freedom
Zhe Xu, Carsten Greiner
We calculate the elliptic flow parameter for Au+Au collisions at GeV employing the parton cascade BAMPS (Boltzmann Approach of Multiparton Scatterings). B…
Open heavy flavor and J/psi at RHIC and LHC within a transport model
Jan Uphoff, Oliver Fochler, Zhe Xu +1
The production and space-time evolution of heavy quarks and J/psi in the quark gluon plasma is studied within the partonic transport model Boltzmann Approach to MultiParton Scatter…
A relativistic dissipative hydrodynamic description for systems including particle number changing processes
Andrej El, Azwinndini Muronga, Zhe Xu +1
Relativistic dissipative hydrodynamic equations are extended by taking into account particle number changing processes in a gluon system, which expands in one dimension boost-invar…
Hagedorn States and Thermalization in Heavy Ion Collisions
Carsten Greiner, Jacquelyn Noronha-Hostler, Jorge Noronha
In recent years, Hagedorn states have been used to explain the equilibrium and transport properties of a hadron gas close to the QCD critical temperature. These massive resonances…
Stochastic interpretation of Kadanoff-Baym equations
Carsten Greiner, Stefan Leupold
We show that the nonperturbative transport equations, the so called `Kadanoff-Baym equations', within the non-equilibrium real time Green's function description can be be understoo…
Bulk viscosity in strong and electroweak matter
Abdel Nasser Tawfik, Carsten Greiner
For temperatures ranging from a few MeV up to TeV and energy density up to GeV/fm, the bulk viscosity is calculated in non-perturbation (up, down, stran…
Diffusion of conserved charges in relativistic heavy ion collisions
Moritz Greif, Jan A. Fotakis, Gabriel S. Denicol +1
In order to characterize nuclear matter under extreme conditions, we calculate all diffusion transport coefficients related to baryon, electric and strangeness charge for both a ha…
Physics of Strange Matter
Carsten Greiner, Juergen Schaffner-Bielich
The properties of strange quark matter and strange hadronic matter and their finite counterparts (strangelets and MEMOs) are reviewed. The production of strange matter in heavy-ion…
Equation of state of QCD matter within the Hagedorn bag-like model
Volodymyr Vovchenko, Mark I. Gorenstein, Carsten Greiner +1
The QCD equation of state at finite temperature and densities of conserved charges is considered in the framework of a Hagedorn bag-like model, incorporating both the finite sizes…
Open heavy flavor and J/psi at RHIC and LHC
Jan Uphoff, Oliver Fochler, Zhe Xu +1
The suppression and collective flow of open and hidden heavy flavor in ultra-relativistic heavy ion collisions is studied with the partonic transport model Boltzmann Approach to Mu…
Stochastic treatment of Disoriented Chiral Condensates within a Langevin description
Zhe Xu, Carsten Greiner
Applying a microscopically motivated semi-classical Langevin description of the linear sigma model we investigate for various different scenarios the stochastic evolution of a diso…
Kinetic approach to a relativistic BEC with inelastic processes
Richard Lenkiewicz, Alex Meistrenko, Hendrik van Hees +3
The phenomenon of Bose-Einstein condensation is investigated in the context of the Color-Glass-Condensate description of the initial state of ultrarelativistic heavy-ion collisions…
Persistent nonequilibrium effects in generalized Langevin dynamics of nonrelativistic and relativistic particles
Weiguo Chen, Carsten Greiner, Zhe Xu
Persistent nonequilibrium effects such as the memory of the initial state, the ballistic diffusion, and the break of the equipartition theorem and the ergodicity in Brownian motion…
Bulk matter evolution and extraction of jet transport parameter in heavy-ion collisions at RHIC
Xiao-Fang Chen, Carsten Greiner, Enke Wang +2
Within the picture of jet quenching induced by multiple parton scattering and gluon bremsstrahlung, medium modification of parton fragmentation functions and therefore the suppress…
Shell-like Structures in an expanding Quark-Antiquark Plasma
Carsten Greiner, Dirk-Hermann Rischke
The particle density distribution emerging from the solution of the Vlasov equation for relativistic, non-interacting particles with spherically symmetric initial conditions is sho…
The order, shape and critical point for the quark-gluon plasma phase transition
Ismail Zakout, Carsten Greiner, Jurgen Schaffner-Bielich
The order, shape and critical point for the phase transition between the hadronic matter and quark-gluon plasma are considered in a thermodynamical consistent approach. The hadroni…
Splitting of elliptic flow in non-central relativistic heavy-ion collisions
Zhengyu Chen, Zeyan Wang, Carsten Greiner +1
We predict a new effect due to the presence of the global vorticity in non-central relativistic heavy-ion collisions, namely a splitting of the elliptic flow parameter at non…
Electric conductivity of the quark-gluon plasma investigated using a perturbative QCD based parton cascade
Moritz Greif, Ioannis Bouras, Zhe Xu +1
Electric conductivity is sensitive to effective cross sections among the particles of the partonic medium. We investigate the electric conductivity of a hot plasma of quarks and gl…
Viscous effects on the dynamical evolution of QCD matter during the first-order confinement phase transition in heavy-ion collisions
Bohao Feng, Carsten Greiner, Shuzhe Shi +1
We investigate viscous effects on the dynamical evolution of QCD matter during the first-order phase transition, which may happen in heavy-ion collisions. We first obtain the first…
QCD Matter Thermalization at RHIC and LHC
Zhe Xu, Luan Cheng, Andrej El +2
Employing the perturbative QCD inspired parton cascade, we investigate kinetic and chemical equilibration of the partonic matter created in central heavy ion collisions at RHIC and…
Heavy quarks at RHIC and LHC within a partonic transport model
Jan Uphoff, Oliver Fochler, Zhe Xu +1
Production and space-time evolution of heavy quarks in central and non-central heavy-ion collisions at RHIC and LHC are studied with the partonic transport model Boltzmann Approach…
Hagedorn bag-like model with a crossover transition meets lattice QCD
Volodymyr Vovchenko, Mark I. Gorenstein, Carsten Greiner +1
Thermodynamic functions, the (higher-order) fluctuations and correlations of conserved charges at , and the Fourier coefficients of net-baryon density at imaginary …
Elliptic and Triangular Flow and their Correlation in Ultrarelativistic High Multiplicity Proton Proton Collisions at 14 TeV
Wei-Tian Deng, Zhe Xu, Carsten Greiner
The spatial configuration of initial partons in high-multiplicity proton-proton scatterings at 14 TeV is assumed as three randomly positioned "hot spots". The parton momentum distr…
Search for Production of Strangelets in Quark Matter using Particle Correlations
Sven Soff, D. Ardouin, C. Spieles +9
We present a new technique for observing the strangelet production in quark matter based on unlike particle correlations. A simulation is presented with a two-phase thermodynamical…
Transport rates and momentum isotropization of gluon matter in ultrarelativistic heavy-ion collisions
Zhe Xu, Carsten Greiner
To describe momentum isotropization of gluon matter produced in ultrarelativistic heavy-ion collisions, the transport rate of gluon drift and the transport collision rates of elast…
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…
Longitudinal correlation of the triangular flow event plane in a hybrid approach with hadron and parton cascade initial conditions
Hannah Petersen, Carsten Greiner, Vivek Bhattacharya +1
The longitudinal long-range correlations of the triangular flow event plane angles are calculated in a Boltzmann + hydrodynamics hybrid approach. The potential to disentangle diffe…
Momentum imbalance of D mesons in ultra-relativistic heavy-ion collisions at LHC
Jan Uphoff, Florian Senzel, Zhe Xu +1
As a new observable for heavy flavor correlations the momentum imbalance of D mesons is proposed. It is defined analogously to the jet momentum imbalance of fully recon…
Elliptic flow and energy loss of heavy quarks in ultra-relativistic heavy ion collisions
Jan Uphoff, Oliver Fochler, Zhe Xu +1
The space-time propagation of heavy quarks in ultra-relativistic heavy ion collisions is studied within the partonic transport model Boltzmann Approach of MultiParton Scatterings (…
Production of Light Nuclei in Heavy Ion Collisions via Hagedorn Resonances
Kai Gallmeister, Carsten Greiner
The physical processes behind the production of light nuclei in heavy ion collisions are unclear. The nice theoretical description of experimental yields by thermal models conflict…
Open heavy flavor in Pb+Pb collisions at sqrt(s)=2.76 TeV within a transport model
Jan Uphoff, Oliver Fochler, Zhe Xu +1
The space-time evolution of open heavy flavor is studied in Pb+Pb collisions at sqrt(s)=2.76 TeV using the partonic transport model Boltzmann Approach to MultiParton Scatterings (B…
Collisional energy loss of heavy quarks
Alex Meistrenko, Andre Peshier, Jan Uphoff +1
We develop a transport approach for heavy quarks in a quark-gluon plasma, which is based on improved binary collision rates taking into account quantum statistics, the running of t…
Thermalization of gluons in ultrarelativistic heavy ion collisions by including three-body interactions in a parton cascade
Zhe Xu, Carsten Greiner
We develop a new 3+1 dimensional Monte Carlo cascade solving the kinetic on-shell Boltzmann equations for partons including the inelastic gg <-> ggg pQCD processes. The back reacti…