Journal
NUCLEAR SCIENCE AND TECHNIQUES
Volume 29, Issue 12, Pages -Publisher
SPRINGER SINGAPORE PTE LTD
DOI: 10.1007/s41365-018-0510-1
Keywords
Nucleon-nucleon elastic cross section; Heavy ion collisions; Nuclear stopping; Collective flow
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The effects of the in-medium nucleon-nucleon (NN) elastic cross section on the observables in heavy ion collisions in the Fermi energy domain are investigated within the framework of the ultrarelativistic quantum molecular dynamics model. The results simulated using medium correction factors of and the density- and momentum-dependent factor obtained from the FU3FP1 parametrization are compared with the FOPI and INDRA experimental data. It is found that the calculations using the correction factors 0.2 and 0.5 reproduce the experimental data (i.e., collective flow and nuclear stopping) at 40 and 150 MeV/nucleon, respectively. Calculations with the FU3FP1 parametrization can best fit these experimental data. These conclusions can be confirmed in both Xe-129 +(120) Sn.
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