1995/02/01 by J. Konopka, Jens Konopka, H. Stöcker +2 · 1 citation
Chemistry · Earth and Planetary Sciences · Mathematics · Physics and Astronomy · #Atomic physics #Chemical physics #Chemistry #Chromatography #Extraction (chemistry) #Geology #Heavy ion #High-pressure geophysics and materials #Ideal (ethics) #Impossibility #Ion #Mathematics #Nuclear physics research studies #Particle (ecology) #Physics #Quantum #Quantum Chromodynamics and Particle Interactions #Quantum mechanics #Spectral line #Statistical physics #Transversal (combinatorics) #nucl-th
paper · pdf · doi:10.1016/0375-9474(94)00687-i
published as Nucl.Phys. A583 (1995) 357c-362c · 15 pages, 4 Encapsulated PostScript figures, uses RevTeX and epsf.sty
openalex publication_date 1995/02/01 · arxiv created 1995/05/12 · arxiv updated 2009/12/01 · openalex created_date 2025/10/10 · openalex updated_date 2026/08/05
Spectra of various particle species have been calculated with the Quantum Molecular Dynamics (QMD) model for very central collisions of Au+Au. They are compatible with the idea of a fully stopped thermal source which exhibits a transversal expansion besides the thermal distribution of an ideal gas. However, the microscopic analyses of the local flow velocities and temperatures indicate much lower temperatures at densities associated with the freeze-out. The results express the overall impossibility of a model-independent determination of nuclear temperatures from heavy ion spectral data, also at other energies e.g. CERN or for other species (i.e. pions, kaons, hyperons)!