J/psi particle


J/psi particle

noun \ˌjā-ˈsī-, -ˈpsī-\

Definition of J/PSI PARTICLE

:  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

First Known Use of J/PSI PARTICLE

1977

Browse

Next Word in the Dictionary: JPP
Previous Word in the Dictionary: Jpn
All Words Near: J/psi particle

Seen & Heard

What made you want to look up J/psi particle? Please tell us where you read or heard it (including the quote, if possible).