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Göttingen 1997 – scientific programme

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HK: Hadronen und Kerne

HK 59: Postersitzung

HK 59.10: Poster

Thursday, March 27, 1997, 14:00–16:30, P

Theoretical Model Simulations of the FOBOS Experiments* — •R. Yanez1, H.-G. Ortlepp1,2, C.-M. Herbach1, and T. Moehlenkamp11Research Centre Rossendorf Inc., Institute of Nuclear and Hadronic Physics, PF 510119, D-01314 Dresden — 2Joint Institute for Nuclear Research, 141980 Dubna, Russia

We have performed numerical simulations of the reactions recently measured in the FOBOS detector at Dubna. The initial stages of the reactions are simulated with the Boltzmann-Uehling-Uhlenbeck equation and the later stages, when thermal equilibrium is reached, with a statistical evaporation code. The BUU in-medium nucleon-nucleon cross section is reduced in order to reproduce the experimental data and the statistical evaporation code is modified to include in a simple parametrized way the transient time for fission (in which the nuclear viscosity β is a parameter), and temperature dependent level density parameters. In this way the necessary theoretical input parameters for the selection of different sources of light charged particles can be established for the measured data.
* supported by BMBF under 06 DR 67

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