Talk:Fast fission
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Jekyll and Hyde?
[edit]Russian WP with a reference to an American book calls (fission–)fusion–fission bomb design a Jekyll-and-Hyde nuclear reaction. Anyone knows something about this? — Preceding unsigned comment added by 84.58.201.160 (talk) 15:27, 3 January 2014 (UTC)
yield peaks
[edit]Near the end, there is a note about the reason the fission fragment peaks change. Note first that nuclides close to magic numbers are more stable, so fragments near those size are preferred. Higher mass fissile nuclides can get close to magic numbers with closer peaks. In any case, a citation is needed. Gah4 (talk) 03:30, 1 October 2019 (UTC)
Reasons
[edit]The article says that slow neutrons are more likely to fission atoms. (That should probably be nuclei, but that is a different question.) For low enrichment reactors, the main reason for a moderator is to reduce absorption by U238. But yes, the fission cross section is larger for slower neutrons. In a high enrichment reactor, though, the chance of causing fission is high, fast or slow, except for neutrons that escape. Gah4 (talk) 03:34, 1 October 2019 (UTC)