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Exclusive $\pi^o$ electroproduction from nucleons was first suggested byAhmad, Goldstein and Liuti for extracting from experimental data the tensorcharge, transversity and other quantities related to chiral odd combinations ofgeneralized parton distributions. We now explain the details of the process:{\it i)} the connection between the helicity description and the cartesianbasis; {\it ii)} the dependence on the momentum transfer squared, $Q^2$, and{\it iii)} the angular momentum, parity, and charge conjugation constraints($J^{PC}$ quantum numbers).

Easy as $\pi^o$: On the Interpretation of Recent Electroproduction Results