Hyperfine splitting in positronium to ${\cal O}(\alpha^7m_e)$: one-photon annihilation contribution
High Energy Physics - Phenomenology
2014-04-02 v1
Abstract
We present the complete result for the one-photon annihilation contribution to the hyperfine splitting of the ground state energy levels in positronium. Numerically it increases the prediction of quantum electrodynamics by kHz.
Keywords
Cite
@article{arxiv.1402.0876,
title = {Hyperfine splitting in positronium to ${\cal O}(\alpha^7m_e)$: one-photon annihilation contribution},
author = {Marc Baker and Peter Marquard and Alexander Penin and Jan Piclum and Matthias Steinhauser},
journal= {arXiv preprint arXiv:1402.0876},
year = {2014}
}
Comments
5 pages, 2 figures