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Chadwick's experiment and proton velocity

  1. Aug 16, 2010 #1
    How did he measue the proton velocity in the polonium-beryllium experiment? The only source with some description describes his using current as a means to do so - but sure that would require knowledge of the number of protons in order to ascertain the drift velocity?
  2. jcsd
  3. Aug 17, 2010 #2
    I Read a little about the experiment . He may have accelerated the protons through a voltage. K=qV k= kinetic energy q=charge V=voltage . And then he could have deflected the particles in a magnetic field
    using the Lorentz force . F=qvB*sin(x)
    Not sure about the Lorentz force but accelerating them through a voltage would be reasonable.
    Not sure though .
    Last edited: Aug 17, 2010
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