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Thread: If electrons became a little bit heavier than they are now, would you shrink or grow?

  1. #1 If electrons became a little bit heavier than they are now, would you shrink or grow? 
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    i thought it had something to do with the fact that the bohr radius decreases then thus smaller atoms -> smaller humans? but like i said that's just my hypothesis. not sure about it
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  2. #2  
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    yes. A meson may be captured in a atomic orbital Its orbital 'radius' is much smaller than an electron due to it's larger mass, just as you thought.

    See K meson capture by Helium, where the idea was to obtain an atomic reaction as the meson has a large probability amplitude within the radius of the nucleus before it decays. (10^-8 sec. I don't think it worked usefully.)

    Edit: See also Muon capture.
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  3. #3  
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    Great article in February Scientific American. The Proton Problem .
    WRT to the OP here the article authors created a strange type of hydrogen. They removed the electron and replaced it with a muon. A muon is 200 times more massive than an electron and is thus 200 times closer to the proton. It is also 8 million times more often in the proton.

    The article focuses in there is a significant difference in proton size depending on the measurement methods. 0.841 femtometer vs 0.876 femtometer.
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