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QuantumIsHard
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Homework Statement
Consider the spherical well such that V(r<a) = -V0 and V(r≥a) = 0. Calculate the l = 0 partial wave scattering cross section in the low energy limit for this potential.
Homework Equations
σ = [itex]\frac{4 \pi}{k^2} * \Sigma (2l+1)*sin^2(\delta_l)[/itex]
The Attempt at a Solution
For l=0, the above equation just becomes
σ = [itex]\frac{4 \pi}{k^2} *sin^2(\delta_0)[/itex].
But how do I get the phase shift [itex]\delta_0[/itex]?