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Observations of Chiral Odd GPDs and their Implications

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arxiv 1309.7431 v1 pith:HZW5D2QJ submitted 2013-09-28 hep-ph

Observations of Chiral Odd GPDs and their Implications

classification hep-ph
keywords chargechiralmomentumangularasymmetrybasiscartesianconjugation
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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Our original suggestion to investigate exclusive $\pi^0$ electroproduction as a method for extracting the tensor charge, transversity, and other quantities related to chiral odd generalized parton distributions from cross section and asymmetry data is reviewed. We explain some of the details of the process: {\it i)} the connection between the helicity description and the cartesian basis; {\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).

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