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X-ray question about form factors

  1. Sep 14, 2011 #1
    1. The problem statement, all variables and given/known data

    Make an approximate calculation of the x-ray atomic form factor for He by assuming that its electron density is given by a hydrogenic ground state.

    2. Relevant equations

    Need help with this.

    3. The attempt at a solution

    I attempted to use the hydrogenic model, but could not figure out how to do this. There are additional parts to this question, but I just need a little help on getting started so that I can get this part, and then I can do the parts that follow. Thank you.
  2. jcsd
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