Definitions

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A hypothetical subatomic particle consisting of a group of five quarks (compared to three quarks in normal baryons and two in mesons), or more specifically four quarks and one anti-quark and is represented by Θ.

Etymologies

from Wiktionary, Creative Commons Attribution/Share-Alike License

penta- +‎ quark

Examples

  • The absorption of jets, the evidence of gluonium, tetraneutron, pentaquark or dimuon events can serve as a tangible evidence of condensation of matter due the supersymmetry effects of surface tension.

    PhysOrg.com - latest science and technology news stories

  • Of course, the discovery of molecular states, pentaquark hadrons, etcetera would be exciting; it is not clear, however, that these might be ascribed to Physics beyond the standard model, since quantum chromodynamics contains no definite rule against such states.

    Scientific Blogging

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