Definitions

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A hypothetical meson composed of four valence quarks.

Etymologies

from Wiktionary, Creative Commons Attribution/Share-Alike License

tetra- +‎ quark

Examples

  • The existence of a new form of matter called a tetraquark has been given further support by the re-analysis of an experiment that has baffled particle physicists for the past two years.

    physicsworld.com: all content

  • One of these is the tetraquark, which comprises two quarks and two antiquarks.

    physicsworld.com: all content

  • One possible explanation is that the electron-positron collisions tuned to form Y (5S) may have actually been producing a different particle altogether - a tetraquark meson Y

    physicsworld.com: all content

  • The existence of the tetraquark - a particle made of four quarks - looks increasingly likely with a fresh sighting in a Japanese particle accelerator

    New Scientist - Earth

  • b (10890) tetraquark meson comprising up (u) and bottom (b) quarks and their respective antiquarks.

    physicsworld.com: all content

  • b (10890), a tetraquark meson formed of an up flavour "diquark" (quark-antiquark pair) and a bottom flavour diquark, is very close in mass to Y (5S).

    physicsworld.com: all content

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