Real and virtual photon contributions to inelastic ep scattering

Francesca M. Borzumati, Gerhard A. Schuler

研究成果: Article

43 引用 (Scopus)


We investigate direct and resolved photon contributions to hard ep scattering at high energies. Some terms of the direct contribution are already included in the resolved photon one, described in terms of the photon structure functions. A suitable subtraction mechanism has to be found in order to avoid double counting. Inelastic ep scattering requires the knowledge of photon structure functions over a wide range in photon virtuality, in particular from approximately zero up to almost 105 GeV2 at HERA. We analyse the real and virtual photon structure function and we comment on the structure of the photon in the intermediate region of low virtuality. We finally describe how ep cross sections can be obtained as functions of the virtuality of the exchanged photon.

ジャーナルZeitschrift für Physik C Particles and Fields
出版物ステータスPublished - 1993 3

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

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