Roy Glauber and Asymptotic Diffraction Theory
Abstract
This is a review of Glauber's asymptotic diffraction theory, in which diffractive scattering is described in terms of interference between semiclassical amplitudes, resulting from a stationary-phase approximation. Typically two such amplitudes are sufficient to accurately describe elastic scattering, but the stationary points are located at complex values of the impact parameter. Their separation controls the interference pattern, and their offsets from the real axis determine the overall fall-off with momentum transfer. Asymptotically, at large momentum transfers, the stationary points move towards singularities of the profile function. I also include some reminiscences from our collaboration.
Keywords
Cite
@article{arxiv.1910.01408,
title = {Roy Glauber and Asymptotic Diffraction Theory},
author = {Per Osland},
journal= {arXiv preprint arXiv:1910.01408},
year = {2019}
}
Comments
12 pages, contribution to SciPost Physics Proceedings: EFB 24. v2: minor changes