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Born Approximation.

  1. Aug 12, 2009 #1

    MathematicalPhysicist

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    To those who have Cohen-Tannoudji vol 2, QM textbook.
    On page 920, he gives there the differential cross section, in equation B-48, which he writes it as:
    [tex]\sigma^{(B)}_k(\theta,\phi)=\frac{\mu^2}{4\hbar^4 \pi^2}|\int d^3 r e^{-iK.r} V(r)|[/tex]
    Now shouldn't it be [tex]\frac{1}{\pi}[/tex] instead of factor 1/4pi^2?

    Thanks in advance.
     
    Last edited: Aug 12, 2009
  2. jcsd
  3. Aug 14, 2009 #2

    MathematicalPhysicist

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    Ok, I understand my mistake.
     
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