Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2003-12-20
Physics
High Energy Physics
High Energy Physics - Phenomenology
4 pages, 3 figures, to be submitted to PRL
Scientific paper
Virtual Compton Scattering is studied at the Thomas Jefferson National Accelerator Facility in the energy domain below pion threshold and in the Delta(1232) resonance region. The data analysis is based on the Dispersion Relation (DR) approach. The electric and magnetic Generalized Polarizabilities (GPs) of the proton and the structure functions Pll-Ptt/epsilon and Plt are determined at four-momentum transfer squared Q2=0.92 and 1.76 GeV2. The DR analysis is consistent with the low-energy expansion analysis. The world data set indicates that neither the electric nor magnetic GP follows a simple dipole form.
Laveissière G.
The Jefferson Lab Hall A Collaboration
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