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Proton:Electron mass ratio

  1. Jul 10, 2013 #1
    Reading my old copy (3rd edition) of H&R's Fundamentals of Physics and it states that no theory can predict the value of the proton:electron mass ratio to date, and that it's a "sure-fire" Nobel Prize problem. Has this been resolved yet? Can't find anything on the web.

    Thanks in advance.
     
    Last edited: Jul 10, 2013
  2. jcsd
  3. Jul 10, 2013 #2
    No it hasn't. None of the masses of any of the fundamental particles are currently explained by theory.
     
    Last edited: Jul 10, 2013
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