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Regarding the Born approximation

  1. Feb 5, 2013 #1
    In order to prepare for an exam I have started solving exercies problems and have gotten most of them right but have quetion a regarding a solution.

    In this probelm I used the first order Born approximation in order to calculate the differential and total cross section for the potential,
    [tex] V(r) = \lambda e^{-r^2 / 4a^2}. [/tex]
    Now, how can I see the limits of this approximation? E.g. can we see if it is valid for a particle with a given mass assuming that we have [tex]ka \ll 1[/tex]?
  2. jcsd
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