pi meson

English

Alternative forms

  • π meson, π-meson, pi-meson

Etymology

From pi (“π”) +‎ meson.

Noun

pi meson (plural pi mesons)

  1. (dated, formal) A pion, a type of meson.
    Synonyms: pion, πon, π-on, π
    Hyponyms: pi-plus, pi-minus, pi-zero
    • 2012 March-April, Jeremy Bernstein, “A Palette of Particles”, in American Scientist‎[1], volume 100, number 2, page 146:
      There were also particles no one had predicted that just appeared. Five of them […, i]n order of increasing modernity, […] are the neutrino, the pi meson, the antiproton, the quark and the Higgs boson.

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