EPJ Web Conf.
Volume 252, 2021HINPw6 – Hellenic Institute of Nuclear Physics; 6th International Workshop; Perspectives on Nuclear Physics; From Fundamentals to Applications
|Number of page(s)||5|
|Section||Heavy Ion Reactions and Rare Isotope Production|
|Published online||10 September 2021|
Two-stage description of charge distributions in 56Fe+p spallation reactions at 0.3-1.5 GeV/A
1 Department of Physics, The University of Ioannina, Ioannina 45110, Greece
2 Laboratory of Physical Chemistry, Department of Chemistry, University of Athens, Athens, Greece
3 Cyclotron Institute, Texas A & M University, College Station, Texas, USA
4 Laboratori Nazionali del Sud, INFN, Catania, Italy
* Corresponding author, email: email@example.com
Published online: 10 September 2021
Spallation reactions are studied in the framework of a two-stage model. The intra-nuclear cascade (INC) stage of the reaction is simulated with the code ISABEL and a Constrained Molecular Dynamics (CoMD) code. The de-excitation of the highly excited pre-fragments is described with the multi-sequential binary decay code MECO, based on a generalized Weisskopf-Ewing formalism. Emission of nucleons, gamma rays and IMFs in their ground, excited bound and unbound states is considered. Calculated cross sections are compared with the experimental charge distributions of 56Fe + p spallation reaction products studied at GSI with the fragment separator FRS in the energy-range 0.3 − 1.5 GeV/A. At all bombarding energies, a good description of the experimental data is obtained with ISABEL-MECO using a global set of parameters. A preliminary calculation with CoMD-MECO at 1GeV/A is discussed.
© The Authors, published by EDP Sciences, 2021
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