Chiral Odd GPDs
1 Department of Physics and Astronomy, Tufts University, Medford, MA 02155, US
2 Istituto Nazionale di Fisica Nucleare (INFN) - Sezione di Torino via P. Giuria, 1, 10125 Torino, ITALY, Italy
3 University of Virginia - Physics Department, 382 McCormick Rd., Charlottesville, Virginia 22904 USA and Laboratori Nazionali di Frascati, INFN, Frascati, Italy
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Published online: 23 January 2015
Nucleon spin structure, transversity and the tensor charge are of central importance to understanding the role of QCD in hadronic physics. A new approach to measuring orbital angular momenta of quarks in the proton via twist 3 GPDs is shown. The “flexible parametrization” of chiral even GPDs is reviewed and its transformation into the chiral odd sector is discussed. The resulting parametrization is applied to recent data on π0 and η electroproduction.
© Owned by the authors, published by EDP Sciences, 2015
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