Hard thermal loops effective action for piO -> gamma gamma
arXiv:hep-ph/9809477
Abstract
I consider the low temperature correction to the anomalous coupling of a neutral pion to two photons from an effective Lagrangian point of view.
4 pages, revtex. Talk given by M. Tytgat at the 5th International Workshop on Thermal Field Theories and their Applications, Regensburg (Germany), August 1998