from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. An elementary particle, a lepton, having a mass almost twice that of a proton and a negative charge.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. a lepton of very great mass


Sorry, no etymologies found.


  • This is badly broken in the charged lepton sector, so one can write explicitly what the Lagrangian is, and the neutrino Majorana matrix respects the muon-tauon interchange, whereas the charged matrix does not.

    A Quantum Diaries Survivor


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