Status of Measurements and Interpretation of Total Real and Virtual Photon-Proton Cross Sections
Abstract
The status of measurements and interpretation of the proton structure function F2 is summarized. The measurements are subjected to DGLAP fits, from which the gluon density is extracted and a comparison to measurements of F2c is performed. The longitudinal structure function, FL, is extracted via an extrapolation of F2. At low Q2, the transition from virtual to real photon exchange is studied.
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