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Homework Help: Electron radius question

  1. Sep 13, 2012 #1
    Hello all

    I have a quick question regarding the derivation of the radius of an electron using the compton wavelength.
    Is the following true?
    λ = h/mc
    where 2*pi*r = λ from quantum angular momentum L = mvr = h/2pi -> mcr = h/2pi -> 2pi*r = h/mc = λ ??
    r = h/(2*pi*m*c)

    I just want to make sure that the compton wavelength can be equal to 2*pi*r, where r is the radius of an electron, which is what I am trying to find.

    Last edited: Sep 13, 2012
  2. jcsd
  3. Sep 14, 2012 #2
    Am I correct in my thinking about the electron radius?

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