Orthopositronium lifetime: analytic results in O(alpha) and O(alpha^3 ln(alpha))
High Energy Physics - Phenomenology
2008-12-18 v1
Abstract
We present the O(alpha) and O(alpha^3 ln(alpha)) corrections to the total decay width of orthopositronium in closed analytic form, in terms of basic transcendental numbers, which can be evaluated numerically to arbitrary precision.
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Cite
@article{arxiv.0806.4927,
title = {Orthopositronium lifetime: analytic results in O(alpha) and O(alpha^3 ln(alpha))},
author = {Bernd A. Kniehl and Anatoly V. Kotikov and Oleg L. Veretin},
journal= {arXiv preprint arXiv:0806.4927},
year = {2008}
}
Comments
9 pages, 1 figure