| 单词 | antiup |
| 释义 | > as lemmasantiup (b) Forming adjectives and nouns denoting antiquarks of particular flavours (flavour n. 5), as anticharm, antidown, antistrange, antiup, etc. See antiquark n. ΚΠ 1972 M. Gell-Mann in Acta Physica Austriaca Suppl. 9 739 The φ is composed of strange and antistrange quarks whereas ρ and π have only ordinary up and down quarks. 1979 Nucl. Physics B. 149 498 It may be harder to create extra up quarks than extra down quarks, and hence anti-up quarks than anti-down quarks. 1995 Sci. Amer. May 79 The Higgs, if it is not too massive, is expected to decay most of the time into a pair of particles, one a bottom and the other an antibottom. 1997 Sci. Amer. Sept. 41/1 Supersymmetry could allow a gluino (hypothetical partner to a gluon) to decay into a top-antitop pair. 2014 Sci. News 17 May 12/3 [They] are confident that Z(4430) is a single particle made up of four quarks–most likely a charm, anticharm, down and antiup. < as lemmas |
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