arXiv:1308.1202·v1·High Energy Physics — Phenomenology
Colour octet potential to three loops
Chihaya Anzai🇩🇪 · Mario Prausa🇩🇪 · Alexander V. Smirnov🇷🇺 · Vladimir A. Smirnov🇷🇺 · Matthias Steinhauser🇩🇪
Abstract
We consider the interaction between two static sources in the colour octet configuration and compute the potential to three loops. Special emphasis is put on the treatment of pinch contributions and two methods are applied to reduce their evaluation to diagrams without pinches.
Comments: 16 pages