upsilon particle

Английский Язык - Английский Язык

Определение upsilon particle в Английский Язык Английский Язык словарь

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

An electrically neutral meson having a mass 18,513 times that of the electron and a mean lifetime of approximately 8.0 × 10- seconds

Расстановка переносов

up·si·lon par·ti·cle