Vol 3 - Landau, Lifshitz - Quantum mechanics - non-relativistic theory (3ed., 1991) · Problem 149.1

Inelastic Collisions

Physics — Landau & Lifshitz · effective-retardation

Problem

Determine the total effective retardation of an electron by a hydrogen atom (

I = 0.55

atomic units); for large energy transfers, the faster of the two colliding electrons is taken to be the primary.