J/psi particle
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

New Collegiate Dictionary. 2001.

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  • j/psi particle — ˈjāˈsī noun Usage: usually capitalized J : an unstable neutral fundamental particle of the meson family that has a mass about 6000 times the mass of an electron, has an unusually long lifetime, and is thought to consist of a charmed quark and… …   Useful english dictionary

  • J/psi particle — /jay suy , psuy /, Physics. the lightest of the psi particles, the first particle to be discovered that contains a charmed quark. [1975 80; see J PARTICLE, PSI PARTICLE] * * * ▪ subatomic particle       type of meson consisting of a charmed quark …   Universalium

  • J/psi particle — noun a subatomic particle with an unusually long lifetime and a large mass; a bound state of a charm quark and a anti charm quark Syn: J/psi meson, J/ψ particle …   Wiktionary

  • psi particle — noun a neutral meson with a large mass • Syn: ↑J particle • Hypernyms: ↑meson, ↑mesotron * * * noun see psi II * * * /suy, psuy/, Physics. 1. any of a family of mesons consisting of a charmed …   Useful english dictionary

  • psi particle — noun Date: 1974 J/psi particle …   New Collegiate Dictionary

  • psi particle — /suy, psuy/, Physics. 1. any of a family of mesons consisting of a charmed quark and a charmed antiquark. 2. an early name for the J/psi particle. [1970 75] * * * …   Universalium

  • J/psi — noun see J/psi particle …   New Collegiate Dictionary

  • psi particle — n. Particle Physics J PARTICLE …   English World dictionary

  • J/Psi — J/ψ Klassifikation Boson Meson Hadron Eigenschaften Ladung neutral Ruheenergie 3097 MeV …   Deutsch Wikipedia

  • J/psi — J/ψ Klassifikation Boson Meson Hadron Eigenschaften Ladung neutral Ruheenergie 3097 MeV …   Deutsch Wikipedia

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