Consider potential \(U (r)= - U_0 \frac{e^{-\alpha r}}{r} \). Both \(\alpha \) and \(U_0 \) are constants. According to first Born approximation, the elastic scattering amplitude calculated with \(U(r) \) for momentum transfer q and \(\alpha \rightarrow 0 \) is proportional to?
1
\(q \)
2
\(q^{-2} \)
3
\(q^{-1} \)
4
\(q^{2} \)
5
Question Not Attempted