46 v 1 2 0 M ay 1 99 9 PHOTOPRODUCTION OF SCALAR MESONS ON PROTONS AND NUCLEI

Abstract

We study the photoproduction of scalar mesons close to the threshold of f0(980) and a0(980) using a unitary chiral model. Peaks for both resonances show up in the invariant mass distributions of pairs of pseudoscalar mesons. A discussion is made on the photoproduction of these resonances in nuclei, which can shed light on their nature, a subject of… (More)

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