Photoproduction of $e^+e^-$ pair in a Coulomb field near the threshold
High Energy Physics - Phenomenology
2022-10-19 v1 Atomic Physics
Abstract
We consider the electron-positron pair production by a photon in Coulomb field near threshold. We obtain the analytical results for the particle energy spectrum and angular distribution exactly in the parameter . We show that Furry-Sommerfeld-Maue approximation for the wave functions used by Nishina, Tomonaga and Sakata is not sufficient and leads to wrong results.
Keywords
Cite
@article{arxiv.2209.03566,
title = {Photoproduction of $e^+e^-$ pair in a Coulomb field near the threshold},
author = {P. A. Krachkov and R. N. Lee and A. I. Milstein},
journal= {arXiv preprint arXiv:2209.03566},
year = {2022}
}