English

Real and virtual photon structure from dijet events

High Energy Physics - Experiment 2009-10-31 v2

Abstract

Jet production in epep collisions is sensitive to the partonic structure of photon. The latest measurements of dijet production from the H1 experiment provide new results of the gluon density of real photons at low xx and, for the first time, on the partonic density of virtual photons. Properties of the photon remnant were measured as a function of the hard scale defined by the pTp_T of the jets. The comparison of dijet cross sections with the NLO QCD calculation shows the non-triviality of the concept of virtual photon structure.

Keywords

Cite

@article{arxiv.hep-ex/9906012,
  title  = {Real and virtual photon structure from dijet events},
  author = {J. Cvach},
  journal= {arXiv preprint arXiv:hep-ex/9906012},
  year   = {2009}
}

Comments

4 pages, Latex with 4 ps figures, references for section 5 updated, Talk presented at DIS99 Workshop at Zeuthen, April 1999

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