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Rare decay modes of the neutral pion
Authors:A. Pich  J. Bernabéu
Affiliation:1. Department of Theoretical Physics, University of Valencia, Valencia, Spain
Abstract:The slope of the form factor forπ 0e + e -γ and the real part of the amplitude forπ 0e + e - are calculated by means of the quark triangle mechanism. The correct sign for the form factor slope is reproduced. Theπ 0e + e - rate obtained is slightly larger than the unitarity limit and smaller than the present experimental rate.
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