J/PSI PARTICLE


Meaning of J/PSI PARTICLE in English

Pronunciation: ˌ j ā - ' s ī -, - ' ps ī -

Function: noun

Date: 1977

: an unstable neutral fundamental particle of the meson group that has a mass about 6000 times the mass of an electron ― called also J particle J/psi psi particle

Merriam Webster Collegiate English Dictionary.      Merriam Webster - Энциклопедический словарь английского языка.