leptonium

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English

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Etymology

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Blend of lepton +‎ onium

Noun

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leptonium (plural leptoniums)

  1. (physics) A bound pair of a lepton and its antiparticle
    • 2016, Neil D. Barrie, Archil Kobakhidze, Shelley Liang, Matthew Talia, Lei Wu, “Heavy Leptonium as the Origin of the 750 GeV Diphoton Excess”, in arXiv[1]:
      The LHC constraints on exotic stable massive charged particles seem to further shrink the allowed range for the hypercharge down to , with the caveat that the relation between the leptonium mass and the mass of the constituent leptons in our calculations is plagued with a large theoretical uncertainty for large .