the upsilon particle

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Английский Язык - Английский Язык
upsilon meson

Связанные Термины

upsilon particle
Any of a number of bound states of a heavy quark and its antiquark, especially that formed from a bottom quark and an anti-bottom quark
upsilon particle
An electrically neutral meson having a mass 18,513 times that of the electron and a mean lifetime of approximately 8.0 × 10- seconds