| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 1845093 | Nuclear Physics B - Proceedings Supplements | 2008 | 5 Pages |
Abstract
We establish irrational constants, that contribute to the positronium lifetime at O(α) and O(α2) order. In particular we show, that a new type of constants appear, which are not related to Euler–Zagier sums or multiple ζ values.
Related Topics
Physical Sciences and Engineering
Physics and Astronomy
Nuclear and High Energy Physics
