Sets transport time cut-offs for different particles
(see also TCQUENCH)
WHAT(1) = transport time cut-off (nsec)
Default: no cut off
WHAT(2) = transport time cut-off delay (nsec)
Default = 0.0
WHAT(3) = material number for the "start" signal from which time
is measured (useful for calorimetry)
(Not implemented at present)
Default: "start" at creation time
WHAT(4) = lower bound of the particle numbers for which the
transport time cut-off and/or the start signal is to be
applied
("From particle WHAT(4)...").
Default = 1.0
WHAT(5) = upper bound of the particle numbers for which the
transport time cut-off and/or the start signal is to be
applied
("...to particle WHAT(5)...").
Default = WHAT(4) if WHAT(4) > 0, all particles otherwise.
WHAT(6) = step length in assigning numbers. ("...in steps of
WHAT(6)").
Default = 1.0
SDUM : not used
Default (option TIME-CUT not given): no time cut-off for particle
transport
Notes: The transport time cut-off should not be confused with the
time cut-off for scoring (see TCQUENCH).
Particles outside the time gate defined by TIME-CUT are
discarded (a summary is printed at the end of the standard
output).
Example:
*...+....1....+....2....+....3....+....4....+....5....+....6....+....7....+...
TIME-CUT 3000.0 0.0 0.0 8.0 0.0 0.0
* Stop transporting neutrons after 3000 nsec
