Phenomenological description of the gamma* p cross section at low Q2

Details Phenomenological description of the gamma* p cross section at low Q2 Phenomenological description of the gamma* p cross section at low Q2

1998-07-07

arxiv.org/abs/hep-ph/9807268v1

Phys.Rev.D59:014021,1999

Physics

High Energy Physics

High Energy Physics - Phenomenology

14 pages, revtex, epsfig, 2 figures

Scientific paper

10.1103/PhysRevD.59.014021

Low Q2 photon-proton cross sections are analysed using a simple,
QCD-motivated parametrisation $\sigma_{\gamma^\star p}\propto 1/(Q^2+Q_0^2)$,
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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