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  • 1
    Electronic Resource
    Electronic Resource
    Dynamical and thermal aspects of relativistic heavy-ion collisions (1991)
    Springer
    The European physical journal 340 (1991), S. 287-295 
    Details
    ISSN: 1434-601X
    Keywords: 25.70.−z ; 25.70.Np
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: 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.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01294677
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Pion and eta photoproduction in nuclei (1995)
    Springer
    The European physical journal 352 (1995), S. 223-230 
    Details
    ISSN: 1434-601X
    Keywords: 25.20
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract We calculate the quasifree photoproduction of pions and eta mesons on nuclei from12C to208Pb. Assuming that for the quasifree process the cross sections forπ/η photoproduction on a nucleon in medium are — besides a lowering due to Pauli blocking — identical to those on a free nucleon, we use these as an input. The produced mesons or resonances then propagate through the nucleus where they can undergo several scattering and absorption processes. This final state interaction, which leads to a lowering of the initial meson yield up to 70%, we simulate in a coupled channel Boltzmann-Uehling-Uhlenbeck transport model. It allows us to study in detail the influence of Fermi motion, Pauli blocking and of the additional decay channels for nucleon resonances in medium on the photoproduction cross section. The calculated total and differential cross sections are compared to experimental data and the influence of the different medium effects on the cross sections is discussed in detail.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01298912
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
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