| 单词 | tau particle |
| 释义 | tau particle in British Englishnoun physics another name for tauon tau particle in American English Particle Physics an unstable, negatively charged lepton with a mass of c. 1,777 MeV/c2 (or c. 3,490 times that of an electron) and a mean lifetime of 2.2 ×10-13 second : also called tau lepton, tauon (ˈtaʊˌɑn) |
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