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Simulation of neutron production in hadron-nucleus and nucleus-nucleus interactions in Geant4 | | A. Galoyan
; A. Ribon
; V. Uzhinsky
; | | Date: |
9 Nov 2018 | | Abstract: | Studying experimental data obtained at ITEP [1] on neutron production in
interactions of protons with various nuclei in the energy range from 747 MeV up
to 8.1 GeV, we have found that slow neutron spectra have scaling and asymptotic
properties [2]. The spectra weakly depend on the collision energy at momenta of
projectile protons larger than 5 - 6 GeV/c. These properties are taken into
account in the Geant4 Fritiof (FTF) model. The improved FTF model describes as
well as the Geant4 Bertini model the experimental data on neutron production by
1.2 GeV and 1.6 GeV protons on targets (Fe, Pb) [3] and by 3.0 GeV protons on
various targets (Al, Fe, Pb) [4]. For neutron production in antiproton-nucleus
interactions, it was demonstrated that the FTF results are in a satisfactory
agreement with experimental data of the LEAR collaboration [5]. The FTF model
gives promising results for neutron production in nucleus - nucleus
interactions at projectile energy 1 - 2 GeV per nucleon [6]. The observed
properties allow one to predict neutron yields in the nucleus-nucleus
interactions at high and very high energies. Predictions for the NICA/MPD
experiment at JINR are presented. | | Source: | arXiv, 1811.3896 | | Services: | Forum | Review | PDF | Favorites | |
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