GLAS-PPE/96-01

Abstract:

Measurements of diffractive phenomena observed at HERA are reviewed. A short introduction to the theoretical background is presented. The review focuses on the current experimental directions and discusses the exclusive production of vector mesons, the deep inelastic structure of diffraction and complementary information from jet structures. Emphasis is placed on the current sources of background and the experimental uncertainties.

Talk presented at the Workshop on HERA Physics,

``Proton, Photon and Pomeron Structure",

Durham, September 1995.

• Introduction: maps of the pomeron
• Signals and Backgrounds
  • Exclusive Production of Vector Mesons
  • Deep Inelastic Structure of Diffraction
  • Jet structure
  • Leading proton spectrometer measurements
• Conclusions
• References
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