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30 papers · 1 filter
Note on Signature Change and Colombeau Theory
Tevian Dray, George Ellis, Charles Hellaby
Recent work alludes to various `controversies' associated with signature change in general relativity. As we have argued previously, these are in fact disagreements about the (ofte…
Physical Parameter Eclipse Mapping
Sonja Vrielmann
The tomographic method "Physical Parameter Eclipse Mapping" is a tool to reconstruct spatial distributions of physical parameters (like temperatures and surface densities) in accre…
Common Features of Particle Multiplicities in Heavy Ion Collisions
F. Becattini, J. Cleymans, A. Keranen +2
Results of a systematic study of fully integrated particle multiplicities in central Au-Au and Pb-Pb collisions at beam momenta 1.7 A GeV, 11.6 A GeV (Au-Au) and 158 A GeV (Pb-Pb)…
Baryon-Rich Quark-Gluon Plasma in Nuclear Collision
Michael Danos, Johann Rafelski
The maximum achievable temperature (energy density) and minimum kinetic energy required for the formation of a baryon-rich quark-gluon plasma formed at central rapidity in small im…
Dynamical interpretation of chemical freeze-out in heavy ion collisions
V. D. Toneev, J. Cleymans, E. G. Nikonov +3
It is demonstrated that there exists a direct correlation between chemical freeze-out point and the softest point of the equation of state where the pressure divided by the energy…
Multicolour Observations, Inhomogeneity & Evolution
Charles Hellaby
We propose a method of testing source evolution theories that is independent of the effects of inhomogeneity, and thus complementary to other studies of evolution. It is suitable f…