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Preferred term

strange particle  

Definition

  • A strange particle is an elementary particle with a strangeness quantum number different from zero. Strange particles are members of a large family of elementary particles carrying the quantum number of strangeness, including several cases where the quantum number is hidden in a strange/anti-strange pair, for example in the ϕ meson. The classification of particles, as mesons and baryons, follows the quark/anti-quark and three quark content respectively. Murray Gell-Mann recognized the group structure of elementary particle classification introducing the flavour SU(3) and strangeness as a new quantum number. (Wikipedia, The Free Encyclopedia, https://en.wikipedia.org/wiki/Strange_particle)

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http://data.loterre.fr/ark:/67375/MDL-C17BS929-4

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