Dear experts;
I am willing to estimate the isotopic evolution of 235-U fission
products during a thermal neutron irradiation.
I follow the example given for 99Mo production and modify it slightly to
obtain desired results:
http://www.fluka.org/web_archive/earchive/new-fluka-discuss/2506.html
As you might see on the graph enclosed (source was 1x1cm square), Cesium
production is not realistic: over 2 years of irradiation its abundance
in the fissile layer cannot diminish. Moreover, general shape of the
spectrum translates no buildup of fission products after a month of
irradiation.
I tried all other physics and Heavy-fragments production schemes,
without success.
Sincerely
Maxime Lamotte
CTN - Lisbon
FLUKA2011 Version 2x.8 and Fluka 2020 give similar results
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Received on Sun May 17 2020 - 11:06:06 CEST