Vol 3 - Landau, Lifshitz - Quantum mechanics - non-relativistic theory (3ed., 1991) · Problem 148.2

Inelastic Collisions

Physics — Landau & Lifshitz · inelastic-scattering-fast-electrons-atoms

Problem

Determine the differential cross-section for collisions of electrons with a hydrogen atom in the normal state, the latter being excited to the

n

th level of the discrete spectrum (where

n

is the principal quantum number).