18.22} RQMD interfaces

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 A very similar interface has been developed by Francesco Cerutti
 (University of Milan and INFN), Toni Empl (University of Houston), Alfredo
 Ferrari, Maria Vittoria Garzelli (University of Milan and INFN) and Johannes
 Ranft, with the Relativistic Quantum Molecular Dynamics code (RQMD) of
 H. Sorge. Also in this case the evaporation and deexcitation of the excited
 residuals is performed by FLUKA. Significant intervention on the original code
 were necessary to bring under control the energy/momentum balance of each
 interaction to allow for a meaningful excitation energy calculation.
 This development allowed FLUKA to be used for ions from roughly 100 MeV/n up
 to cosmic ray energies. The results of this modified model can be found 
 in [Aig05, And04, Fas03]. Work is in progress to develop new original
 code to replace this RQMD interface. In the 4th generation FLUKA, starting
 with FLUKA version 2020.0, the rQMD interface has been deeply improved by Sala
 and later by Ferrari, introducing a preequilibrium step, and further
 improving the energy-momentum balance. The code has been also made signi-
 ficantly faster.

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