| 单词 | beta emission |
| 释义 | > as lemmasbeta emission (b) Hence denoting a process in which, or a substance from which, beta particles are emitted, as beta decay, beta disintegration, beta emission, beta emitter. ΘΚΠ the world > matter > physics > atomic nucleus > radioactive isotope > radioactive nuclide > [noun] > radioactive decay beta decay1931 beta disintegration1931 the world > matter > physics > atomic nucleus > radioactivity > beta radiation > [noun] > particle in > emission of beta decay1931 beta disintegration1931 beta emission1931 the world > matter > physics > atomic nucleus > radioactivity > beta radiation > [noun] > particle in > substance emitting beta emitter1931 1931 Rutherford in Proc. Royal Soc. A. 132 674 There will be a broadening of the line by the Doppler effect due to recoil of the nucleus from the immediately preceding β-disintegration. 1933 C. D. Ellis & Mott in Proc. Royal Soc. A. 141 502 The..upper limit of the β-ray spectrum is a significant parameter with which to classify a β-disintegration. 1934 G. Gamow in Proc. Royal Soc. A. 146 217 Every theory treating the β-decay as the transformation of a nuclear neutron into a proton. 1935 Internat. Conference Physics 1934 I. 41 The final state of the nucleus after a β-emission is an excited one. 1947 C. D. Coryell in C. Goodman Sci. & Engin. Nuclear Power I. 248 (heading) Long-lived β emitters without γ radiation. 1955 Gloss. Terms Radiol. (B.S.I.) 6 Beta decay, the radioactive decay process characterized by the emission of a beta particle. The parent atom involved is called a beta emitter. < as lemmas |
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