Abstract
The HERMES experiment at DESY, Hamburg, collected a rich data set for the analysis of Deeply Virtual Compton Scattering (DVCS) utilizing the HERA polarized electron or positron beams with an energy of 27.6 GeV and longitudinally and transversely polarized or unpolarized gas targets (H, D or heavier nuclei). The azimuthal asymmetries measured in the exclusive DVCS process allow the access to the imaginary and/or real part of certain combinations of Generalized Parton Distributions. Before the end of 2005 the recoiling target protons from the DVCS reaction were not detected and exclusivity was ensured indirectly using the missing‐mass method. A Recoil Detector was installed in winter 2005–2006 to improve the exclusivity of such reactions at the event level by direct measurement of recoil protons. Latest results on combined analyses of beam‐spin and beam‐charge asymmetries and of beam‐charge and transverse‐target spin asymmetries are presented together with first results from the HERMES Recoil Detector.
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