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tri- +‎ muon


trimuon ‎(plural trimuons)

  1. (physics) A proposed particle composed of three muons.
    • 2007 July 24, Dennis Overbye, “At Fermilab, the Race Is on for the ‘God Particle’”, New York Times:
      He heard a rumor, while spending a year at Stanford, that collisions at the Fermi National Accelerator Laboratory were spitting out weird triplets of particles known as muons, which are sort of fat electrons. Dr. Weinberg canceled reservations at a lodge in Yosemite National Park to spend the weekend with his colleague Benjamin Lee, trying to concoct a theory to explain the trimuons.