cascade particle

the least massive member of the xi particle family. Also called cascade hyperon.

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Universalium. 2010.

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  • cascade particle — Physics. the least massive member of the xi particle family. Also called cascade hyperon …   Useful english dictionary

  • particle accelerator — accelerator (def. 7). [1945 50] * * * Device that accelerates a beam of fast moving, electrically charged atoms (ions) or subatomic particles. Accelerators are used to study the structure of atomic nuclei (see atom) and the nature of subatomic… …   Universalium

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  • cascade shower — /kæskeɪd ˈʃaʊə/ (say kaskayd showuh) noun a fast moving number of electrons, positrons, or photons which appear almost simultaneously from one high energy particle as a result of pair production or bremsstrahlung; soft shower …   Australian English dictionary

  • xi particle — Physics. any of a family of baryons having strangeness 2 and isotopic spin 1/2. Symbolically represented by the capital greek letter Xi. Cf. cascade particle. [1960 65] * * * xi particle, a hyperon, either neutral or negative, present in cosmic… …   Useful english dictionary

  • xi particle — Physics. any of a family of baryons having strangeness 2 and isotopic spin 1/2. Symbolically represented by the capital greek letter Xi. Cf. cascade particle. [1960 65] * * * …   Universalium

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  • subatomic particle — or elementary particle Any of various self contained units of matter or energy. Discovery of the electron in 1897 and of the atomic nucleus in 1911 established that the atom is actually a composite of a cloud of electrons surrounding a tiny but… …   Universalium

  • Zeus (particle detector) — ZEUS is a particle detector that was operation at HERA ( Hadron Elektron Ring Anlage ) in DESY, Hamburg. It began operating together with HERA in 1992 and was functional until HERA was decommissioned in June 2007. Leptons (electrons or positrons) …   Wikipedia

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