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AbstractAbstract
[en] We evaluate the two photon width of the delta(980) using three-point function sum rules which are able to predict accurately the anomalous π0→γγ and non-anomalous delta→etaπ decay rates. The prediction, though smaller than previous results based on vector meson dominance, is still higher than the present Crystal Ball data. An analysis of the three-point function with one gluon exchange cannot support previous successful explanation of the data within the four-quark scheme. (author)
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Jan 1986; 17 p; 28 refs, 3 figs.
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