Phenomenological description of the gamma* p cross section at low Q2
Abstract
Low Q2 photon-proton cross sections are analysed using a simple, QCD-motivated parametrisation σγ p 1/(Q2+Q02), which gives a good description of the data. The Q2 dependence of the gamma* p cross section is discussed in terms of the partonic transverse momenta of the hadronic state the photon fluctuates into.
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