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Formation of small-scale structure in SUSY CDM
S. Hofmann, D. J. Schwarz, H. Stocker
The lightest supersymmetric particle, most likely the lightest neutralino, is one of the most prominent particle candidates for cold dark matter (CDM). We show that the primordial…
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…
Constraints on possible phase transitions above the nuclear saturation density
I. N. Mishustin, L. M. Satarov, H. Stoecker +1
We compare different models for hadronic and quark phases of cold baryon-rich matter in an attempt to find a deconfinement phase transition between them. For the hadronic phase we…
Unlike particle correlations and the strange quark matter distillation process
D. Ardouin, Sven Soff, C. Spieles +9
We present a new technique for observing the strange quark matter distillation process based on unlike particle correlations. A simulation is presented based on the scenario of a t…
From the Dyson-Schwinger to the Transport Equation in the Background Field Gauge of QCD
Q. Wang, K. Redlich, H. Stöcker +1
The non-equilibrium quantum field dynamics is usually described in the closed-time-path formalism. The initial state correlations are introduced into the generating functional by n…
In-medium vector meson properties and low-mass dilepton production from hot hadronic matter
Amruta Mishra, Joachim Reinhardt, Horst Stoecker +1
The in-medium properties of the vector mesons are known to be modified significantly in hot and dense hadronic matter due to vacuum polarisation effects from the baryon sector in t…