upsilon particles

• plural

  plural

  The grammatical form denoting more than one person, place, thing, or idea.

  of upsilon particle.
  upsilon particle

  noun

  a meson with a neutral charge, a mass 18,513 times that of the electron and a mean lifetime of approximately 8.0 × 10^-20 seconds.

More Suggestions

• psi particle
• J/psi particle
• quasiparticle
• sigma particle
• B-s particle
• D-s particle
• God particle
• Z-zero particle
• antiparticle