Polarization effects in bound-free pair production
Atomic Physics
2019-10-30 v1
Abstract
We present a theoretical study of bound-free electron-positron pair production in the interaction of -rays with bare ions. Special attention is paid to the longitudinal polarization of both the emitted positrons and the produced hydrogen-like ions. To evaluate this polarization we employed exact solutions of the relativistic Dirac equation and treat the electron-photon coupling within the framework of first-order perturbation theory. Detailed calculations have been performed for both, low- and high-Z ions and for a wide range of photon energies. The results of these calculations suggest that bound-free pair production can be a source of strongly polarized positrons and ions.
Cite
@article{arxiv.1907.08025,
title = {Polarization effects in bound-free pair production},
author = {J. Sommerfeldt and R. A. Müller and A. N. Artemyev and A. Surzhykov},
journal= {arXiv preprint arXiv:1907.08025},
year = {2019}
}