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  • 13.60  (1)
  • 25.70.−z  (1)
  • Dilepton  (1)
  • PACS:25.75.+r Relativistic heavy-ion collisions  (1)
  • 1
    Digitale Medien
    Digitale Medien
    Springer
    The European physical journal 340 (1991), S. 287-295 
    ISSN: 1434-601X
    Schlagwort(e): 25.70.−z ; 25.70.Np
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Physik
    Notizen: Abstract Within a covariant BUU-approach we simulate heavyion collisions at various bombarding energies from 400 MeV/u to 1 GeV/u. We evaluate locally the energymomentum tensorT μv (x), and extract pressures, energydensities and temperatures. The connection of these thermodynamical quantities to experimental observables and their sensitivity to the equation of state is discussed. Furthermore, we investigate the question of local equilibration and evaluate the entropy produced in these reactions.
    Materialart: Digitale Medien
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 2
    Digitale Medien
    Digitale Medien
    Amsterdam : Elsevier
    Progress in Particle and Nuclear Physics 30 (1993), S. 273-295 
    ISSN: 0146-6410
    Schlagwort(e): Dilepton ; electromagnetic form factors ; eta ; medium properties ; pion ; rho-meson
    Quelle: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Thema: Physik
    Materialart: Digitale Medien
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 3
    Digitale Medien
    Digitale Medien
    Springer
    The European physical journal 5 (1999), S. 77-84 
    ISSN: 1434-601X
    Schlagwort(e): PACS:25.75.+r Relativistic heavy-ion collisions
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Physik
    Notizen: Abstract: We study the mixing and the kinetic equilibration of projectile and target nucleons in relativistic heavy-ion collisions in the energy regime between 150 AMeV and 2 AGeV in a coupled-channel BUU (CBUU) approach. We find that equilibrium in the projectile-target degrees of freedom is in general not reached even for large systems at low energy where elastic nucleon-nucleon collisions dominate. Inelastic nucleon excitations are more favorable for equilibration and their relative abundance increases both with energy and mass. Experimentally, the projectile/target admixture can be determined by measuring the degree of isospin equilibration in isospin asymmetric nuclear collisions. For one of the most promising systems currently under investigation, 96 44Ru +96 40Zr, we investigate the influence of the equation of state and the inelastic in-medium cross section.
    Materialart: Digitale Medien
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 4
    Digitale Medien
    Digitale Medien
    Springer
    The European physical journal 353 (1995), S. 333-339 
    ISSN: 1434-601X
    Schlagwort(e): 13.60
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Physik
    Notizen: Abstract We calculate the cross section for the production ofη-mesons viaΔN → NNη in a relativistic One-Boson-Exchange-Model. Using this cross section we then determine the probability for the production of anη-meson by aΔ-resonance moving in nuclear matter. The result is compared to prescriptions in BUU-calculations in whichη-production proceeds both through a direct channel and through the sequential processΔ → Nπ;πN → Nη.
    Materialart: Digitale Medien
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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