Abstract
We argue that ine+e−-annihilation (including γ-decay) deuteron production should be given by the overlap of the deuteron wave function with the wave function of apn-pair. The production rate depends sensitively upon the size of the production region. Taking into account the strong correlation between protons and neutrons, experimental results for γ-decay are consistent with the size expected in the Lund string fragmentation model. A prediction is given for the deuteron production inZ-decay.
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