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- URN zum Zitieren dieses Dokuments:
- urn:nbn:de:bvb:355-epub-454888
- DOI zum Zitieren dieses Dokuments:
- 10.5283/epub.45488
Zusammenfassung
We consider two-loop two-, three-, and four-point diagrams with elliptic subgraphs involving two different masses, m and M. Such diagrams generally arise in matching procedures within nonrelativistic QCD and QED and are relevant, e.g., for top-quark pair production at threshold and parapositronium decay. We present the obtained results in several different representations: series solution with ...
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