psiparticle

psiparticle
psi particle (sī, psī) n.

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Universalium. 2010.

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Look at other dictionaries:

  • 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

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