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