# Keyword:SPECTRUM

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SPECTRUM

This keyword is an alternative to ATOMS. It suppresses the inventory output, so that only the γ spectrum and total values are printed for the time interval. It is useful if summary information is required for many time intervals, but the details of the individual nuclide contributions are not needed. This keyword may also be used in the initial and/or inventory section(s) of the input file and can be interchanged with ATOMS throughout a simulation.

Example usage:

< -- Control phase -- >
...
FISPACT
* Title of the simulation
< -- Initial phase -- >
...
FLUX 1.0E10
SPECTRUM
< -- Inventory phase -- >
TIME 1.0 HOURS
SPECTRUM
TIME 1.0 HOURS
SPECTRUM
TIME 1.0 HOURS
ATOMS
TIME 1.0 HOURS
SPECTRUM
ATOMS
...