Measurement of the generalized polarizabilities of the proton in virtual Compton scattering at MAMI
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Virtual Compton scattering off the proton has been studied at Q 2 = 0.33 (GeV/c)2 at the MAMI accelerator in Mainz (Germany). The goal of the experiment is to measure the generalized polarizabilities (GPs) of the proton using the double polarized e p→e' p'γ reaction. This paper reports the measurement of the unpolarized photon electroproduction cross-section for the new data and the extraction of two linear combinations of GPs, which are essential for the analysis of the double spin asymmetry.
PACS.13.60.Fz Elastic and Compton scattering 14.20.Dh Protons and neutrons
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