Abstract

A general analysis of polarization phenomena for coherent pion electroproduction on deuterons is presented. The spin and isospin structures of the γ*+d→d+P0 amplitudes (where γ* is a virtual photon) are established and relationships between meson electroproduction on deuterons and on nucleons are given in the framework of the impulse approximation. The reaction e+d→e+d+π0 is investigated in detail, for a relatively large value of momentum transfer, 0.5 GeV2≤−k2≤2 GeV2, both at threshold and in the region of Δ-isobar excitation. Special attention is devoted to the sensitivity of different contributions to the exclusive cross section for d(e, eπ0)d, as the γ*πω form factor or the NN-potential. The predicted k2-dependence of the cross section agrees well with the available experimental data.

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