| 单词 | anti-electron |
| 释义 | > as lemmasanti-electron (a) Forming the names of antiparticles, as anti-electron, antineutrino, antineutron, etc. See antiparticle n.See also antiproton n., antiquark n. ΚΠ 1931 P. A. M. Dirac in Proc. Royal Soc. A. 133 61 A new kind of particle, unknown to experimental physics, having the same mass and opposite charge to an electron. We may call such a particle an anti-electron. 1959 New Scientist 5 Nov. 854/1 The main ingredients of anti-matter—antiprotons, antineutrons and anti-electrons—can be set in the tables alongside the protons, neutrons and electrons of which ordinary matter is composed. 1962 Newnes Conc. Encycl. Nucl. Energy 521/1 The antineutrino..accompanies electron emission, whereas the neutrino is associated with positron emission. 1989 A. Guth & P. Steinhardt in P. Davies New Physics iii. 40/2 Nuclear particles of matter are baryons, while those of antimatter are antibaryons. 2012 J. E. Baggott Higgs ix. 177 A W+ particle which decays into an anti-lepton (such as a positron) and its corresponding neutrino. < as lemmas |
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