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单词 gamma ray
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gamma ray
gamma ray n. a photon of gamma radiation; (also) (attributive or in plural) gamma radiation.
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gamma ray1903
1903 E. Rutherford in London, Edinb. & Dublin Philos. Mag. 6th Ser. Feb. 177 The γ rays, which are non-deviable by a magnetic field, and which are of a very penetrating character.
1904 Daily Chron. 6 June 4/4 It is probably the ‘gamma’ rays from radium, similar to Röntgen rays.
1961 G. R. Choppin Exper. Nucl. Chem. iii. 30 Frequently, rather than emit a gamma ray, a nucleus will..cause emission of an electron.
1969 Times 29 Sept. 12/6 What is almost certainly the discovery of the first gamma ray star has now been reported.
2010 N.Y. Mag. 9 Aug. 72/1 Nothing, by the way, explains his sudden surge of superheroism: no gamma rays or mutant spider bites.
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