1.7k citations · 8.8k across the 147 of their papers we have counts for
84 papers · 1 filter
The equilibrium and dynamical cumulants of QCD chiral order parameter with parametric Landau free energy
Lijia Jiang, Horst Stoecker, Jun-Hui Zheng
By linearly parameterizing the QCD Landau free energy near the critical point in the baryon chemical potential and temperature plane, we study the fluctuations of the QCD chiral or…
Enhancement of elliptic flow can signal a first order phase transition in high energy heavy ion collisions
Yasushi Nara, Harri Niemi, Akira Ohnishi +3
The beam energy dependence of the elliptic flow,, is studied in mid-central Au+Au collisions in the energy range of GeV within the microscopic tr…
Influence of the hadronic phase on observables in ultrarelativistic heavy ion collisions
J. Steinheimer, J. Aichelin, M. Bleicher +1
The hadronic phase in ultrarelativistic nuclear collisions has a large influence on final state observables like multiplicity, flow and spectra, as studied in the UrQMD appro…
polarization in peripheral collisions at moderate relativistic energies
Y. L. Xie, M. Bleicher, H. Stöcker +2
The polarization of hyperons from relativistic flow vorticity is studied in peripheral heavy ion reactions at FAIR and NICA energies, just above the threshold of the transition…
Collective Flow Global Collective Flow in Heavy Ion Reactions from the Beginnings to the Future
L. P. Csernai, H. Stoecker
Fluid dynamical models preceded the first heavy ion accelerator experiments, and led to the main trend of this research since then. In recent years fluid dynamical processes became…
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…
Directed flow, a signal for the phase transition in Relativistic Nuclear Collisions?
J. Steinheimer, J. Auvinen, H. Petersen +2
The sign change of the slope of the directed flow of baryons has been predicted as a signal for a first order phase transition within fluid dynamical calculations. Recently, the di…
Fluid Dynamical Prediction of Changed v1-flow at LHC
L. P. Csernai, V. K. Magas, H. Stöcker +1
Substantial collective flow is observed in collisions between Lead nuclei at LHC as evidenced by the azimuthal correlations in the transverse momentum distributions of the produced…
Production of light nuclei, hypernuclei and their antiparticles in relativistic nuclear collisions
A. Andronic, P. Braun-Munzinger, J. Stachel +1
We present, using the statistical model, an analysis of the production of light nuclei, hypernuclei and their antiparticles in central collisions of heavy nuclei. Based on these st…
Conical Emission from Shock Waves in Ne(1-20 AGeV)+U Collisions
Philip Rau, Jan Steinheimer, Barbara Betz +3
The formation and propagation of high-density compression waves, e.g. Mach shock waves, in cold nuclear matter is studied by simulating high-energy nucleus-nucleus collisions of Ne…
Energy Spectra of Anti-nucleons in Finite Nuclei
G. Mao, J. Gong, H. Stöcker +1
The quantum vacuum in a many-body system of finite nuclei has been investigated within the relativistic Hartree approach which describes the bound states of nucleons and anti-nucle…
Impact of baryon resonances on the chiral phase transition at finite temperature and density
D. Zschiesche, G. Zeeb, S. Schramm +1
We study the phase diagram of a generalized chiral SU(3)-flavor model in mean-field approximation. In particular, the influence of the baryon resonances, and their couplings to the…
Phi-Meson Production at RHIC, Strong Color Fields and Intrinsic Transverse Momenta
Sven Soff, Srikumar Kesavan, Jorgen Randrup +2
We investigate the effects of strong color fields and of the associated enhanced intrinsic transverse momenta on the phi-meson production in ultrarelativistic heavy ion collisions…
Kaons and antikaons in hot and dense hadronic matter
A. Mishra, E. L. Bratkovskaya, J. Schaffner-Bielich +2
The medium modification of kaon and antikaon masses, compatible with low energy KN scattering data, are studied in a chiral SU(3) model. The mutual interactions with baryons in hot…
Strangeness dynamics and transverse pressure in relativistic nucleus-nucleus collisions
E. L. Bratkovskaya, M. Bleicher, M. Reiter +5
We investigate hadron production as well as transverse hadron spectra from proton-proton, proton-nucleus and nucleus-nucleus collisions from 2 GeV to 21.3 TeV withi…
Re-visit the N/Z ratio of free nucleons from collisions of neutron -rich nuclei as a probe of EoS of asymmetric nuclear matter
Qingfeng Li, Zhuxia Li, Enguang Zhao +1
The N/Z ratio of free nucleons from collisions of neutron-rich nuclei as a function of their momentum is studied by means of Isospin dependent Quantum Molecular Dynamics. We find t…
Dynamics of strange, charm and high momentum hadrons in relativistic nucleus-nucleus collisions
W. Cassing, K. Gallmeister, E. L. Bratkovskaya +2
We investigate hadron production and attenuation of hadrons with strange and charm quarks (or antiquarks) as well as high transverse momentum hadrons in relativistic nucleus-nucleu…
Strangeness dynamics in relativistic nucleus-nucleus collision
E. L. Bratkovskaya, M. Bleicher, W. Cassing +5
We investigate hadron production as well as transverse hadron spectra in nucleus-nucleus collisions from 2 GeV to 21.3 TeV within two independent transport approach…
Particle ratios at RHIC: Effective hadron masses and chemical freeze-out
D. Zschiesche, S. Schramm, J. Schaffner-Bielich +2
The measured particle ratios in central heavy-ion collisions at RHIC-BNL are investigated within a chemical and thermal equilibrium chiral SU(3) σ-ωapproach. The commonly adopted n…
Effects of Strong Color Fields on Baryon Dynamics
Sven Soff, Jorgen Randrup, Horst Stocker +1
We calculate the antibaryon-to-baryon ratios, anti-p/p, anti-Lambda/Lambda, anti-Xi/Xi, and anti-Omega/Omega for Au+Au collisions at RHIC (sqrt{s}_{NN}=200 GeV). The effects of str…
Hadronic observables from SIS to SPS energies - anything strange with strangeness ?
H. Weber, E. L. Bratkovskaya, W. Cassing +1
We calculate and (+) rapidity distributions and compare to experimental data from SIS to SPS energies within the UrQMD and HSD transport approaches that a…
Enhanced binding and cold compression of nuclei due to admixture of antibaryons
T. Buervenich, I. N. Mishustin, L. M. Satarov +3
We discuss the possibility of producing a new kind of nuclear system by putting a few antibaryons inside ordinary nuclei. The structure of such systems is calculated within the rel…
Baryon stopping and strange baryon/antibaryon production at SPS energies
H. Weber, E. L. Bratkovskaya, H. Stoecker
The amount of proton stopping in central Pb+Pb collisions from 20-160 AGeV as well as hyperon and antihyperon rapidity distributions are calculated within the UrQMD model in compar…
Nucleus-nucleus collisions at high baryon densities
H. Weber, E. L. Bratkovskaya, H. Stoecker
We study central collision of Pb+Pb at 20, 40, 80 and 160 AGeV within the UrQMD transport approach and compare rapidity distributions of pi-, K+, K- and Lambda with the recent meas…