IONTRANS

    Determines the transport of ions (A > 1), allowing to limit it to subsets of
    light ions (A < 5) and to choose between approximate and full transport
    (including nuclear interactions)

     
WHAT(1)
 >= 1 : no transport, full or approximate, of any light/heavy ion
             =  0 : ignored
             = -1 : approximate transport (without interactions) of all
                    light and heavy ions
             = -2 : full transport of all light and heavy ions
         >= -6 and <= -3 : full transport of light ions with FLUKA id >= 
WHAT(1)
                           (-3=d,-4=t,-5=3-He,-6=4-He), and approximate
                           transport of all other ions
         
Default
: 0.0 (no ion transport, unless a ion beam is requested by
                      the BEAM card, see note 2)

     WHAT(2-6) and 
SDUM
 not used.

     
Notes:
         1) When requested, interactions at energies larger than 125MeV/n are
            performed provided that the external event generators DPMJET and
            RQMD are linked (through the script $FLUPRO/flutil/ldpmqmd). For
            energies lower than 125 MeV/n, the BME event generator is already
            included in the main $FLUPRO/libflukahp.a library and linked in the
            standard $FLUPRO/flukahp executable.

        2) In the presence of a heavy ion beam, full transport of all ions is
           enabled by default (no need for IONTRANS).

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