Angular distribution of high-energy $e^+e^-$ photoproduction close to the end of spectrum
Atomic Physics
2015-06-04 v1
Abstract
We consider the differential cross section of electron-positron pair production by a high-energy photon in a strong Coulomb field close to the end of the electron or positron spectrum. When the momentum transfer largely exceeds the electron mass, the cross section is obtained analytically in a compact form. Coulomb corrections essentially modify the cross section even for moderate values of the nuclear charge number . In the same kinematical region, the angular distribution for bound-free pair production, bremsstrahlung, and photorecombination is also obtained.
Keywords
Cite
@article{arxiv.1203.2137,
title = {Angular distribution of high-energy $e^+e^-$ photoproduction close to the end of spectrum},
author = {A. Di Piazza and A. I. Milstein},
journal= {arXiv preprint arXiv:1203.2137},
year = {2015}
}
Comments
12 pages, 4 figures