Abstract
The cross sections for neutrons obtained in the photoproduction of pion pairs have been computed using the Wick-Chew-Low formalism. It is found that in the case of neutral mesons, one must consider the contributions obtained from terms giving rise to two $P$-wave mesons. The latter arise chiefly from the anomalous magnetic moment interaction, and alter the results obtained from terms giving rise to one $S$- and one $P$-wave meson by a factor of about 50% for neutral mesons. The results for charged mesons obtained by Zachariasen and Cutkosky are not altered appreciably. The model so obtained has many features of the model for single meson photoproduction as given by Chew and Low.
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