photofission

(from the article `nuclear fission`) ...on the particular nucleus being considered. Fission can be induced by exciting the nucleus to an energy equal to or greater than that of the ... ...(greater than 10 MeV), a gamma ray can be directly absorbed by a nucleus, causing the ejection of nuclear particles ( photodisintegration) or the ... ...
Found on http://www.britannica.com/eb/a-z/p/60

photofission

photofission Nuclear fission induced by high energy photons.
Found on http://www.wordinfo.info/words/index/info/view_unit/2803/8
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