The Anomalous Decay eta -> pi pi gamma gamma

G. Knoechlein , S. Scherer , D. Drechsel (Institute for Nuclear Physics , Johannes Gutenberg-Universitaet , Mainz , Germany)

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classification ✦ hep-ph nucl-th

keywords gammadecayanomalouschiralframeworkinvestigatelagrangiansmodes

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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.

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The Anomalous Decay eta -> pi pi gamma gamma

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