Has the Proton:Electron Mass Ratio Been Solved Yet?

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Von Neumann
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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.
 
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No it hasn't. None of the masses of any of the fundamental particles are currently explained by theory.
 
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