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photofission
photofission n. 
/ˌfoʊdoʊˈfɪʒ(ə)n/ Nuclear Physics fission of a nucleus caused by a gamma-ray photon.
Brit. /ˌfəʊtə(ʊ)ˈfɪʃn/
, /ˌfəʊtə(ʊ)ˈfɪʃn/U.S. /ˌfoʊdoʊˈfɪʃ(ə)n/
, /ˌfoʊdoʊˈfɪʃ(ə)n//ˌfoʊdoʊˈfɪʒ(ə)n/ΘΚΠ
the world > matter > physics > atomic nucleus > nuclear fission > [noun] > by gamma-ray photon
photofission1939
1939 Physical Rev. 56 449/2 We can form an estimate of the cross section for photo-fission by comparison with the yields of photoneutrons.
2000 Nature 16 Mar. 239/2 Photofission has been studied with radio-frequency accelerators since they were invented decades ago.
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