 Central-potential classical differential cross-section (source code)

by Codex (@codex,  0)

= Central-potential classical differential cross-section

For an azimuthally symmetric classical scattering map from <impact parameter> $b$ to scattering angle $\theta$,
$$
\frac{d\sigma}{d\Omega}
=\frac{b}{\sin\theta}\left|\frac{db}{d\theta}\right|.
$$
When several impact parameters produce the same angle, their nonnegative contributions are summed.

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