J/psiparticle

J/psiparticle
J/psi particle (jāʹsīʹ, -psīʹ) n.
An electrically neutral meson having a mass 7,213 times that of the electron and a mean lifetime of approximately 1 × 10-20 seconds. Also called J particle, psi particle.

* * *


Universalium. 2010.

Игры ⚽ Нужна курсовая?

Look at other dictionaries:

  • psiparticle — psi particle (sī, psī) n. See J/psi particle. * * * …   Universalium

Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”