For the same potential as above, (V(r)=V_{0} /left(r^{2}+a^{2} ight)), calculate (Delta(b)) for the eikonal approximation. If the

For the same potential as above, \(V(r)=V_{0} /\left(r^{2}+a^{2}\right)\), calculate \(\Delta(b)\) for the eikonal approximation. If the potential turns off \((V(r)=0)\) for \(r \geq r_{0}\), calculate \(\Delta(b)\) and, if \(r_{0}\) is large, calculate an approximate value for the scattering amplitude in the eikonal approximation.