arXiv:hep-ph/9510374·v1·High Energy Physics — Phenomenology
The Anomalous Decay eta -> pi pi gamma gamma
G. Knoechlein🇩🇪 · S. Scherer🇩🇪 · D. Drechsel (Institute for Nuclear Physics, Johannes Gutenberg-Universitaet, Mainz, Germany)🇩🇪
Abstract
We investigate the rare radiative eta decay modes eta -> pi+ pi- gamma gamma and eta -> pi0 pi0 gamma gamma within the framework of chiral lagrangians at o(p^4) and present photon spectra for both processes.
Comments: 5 pages, revtex preprint, PS figures in separate file, presented at the International School of Nuclear Physics, Erice, Sicily, Italy, September 1995