Diffractive cross sections at HERA and diffractive PDFs

Abstract

A large collection of results for the diffractive dissociation of virtual photons, ${\gamma }^{\star }p\to Xp$, have been obtained with the H1 and ZEUS detectors at HERA. Different experimental techniques have been used, by requiring a large rapidity gap between $X$ and the outgoing proton, by analyzing the mass distribution, $M_X$, of the hadronic final state, as well as by directly tagging the proton. A reasonable compatibility between those techniques and between H1 and ZEUS results have been observed. Some common fundamental features in the measurements are also present in all data sets. They are detailed in this document. Diffractive PDFs can give a good account of those features. Ideas and results are discussed in the following.

8 pages, 14 figures, to appear in the proceedings of the Ringberg workshop (New trends in HERA physics 2008), October 5-10 2008, Ringberg castle, Tegernsee

References in corpus (5)

• Measurement and QCD Analysis of the Diffractive Deep-Inelastic Scattering Cross Section at HERA
• Diffractive Deep-Inelastic Scattering with a Leading Proton at HERA
• Geometric scaling in diffractive deep inelastic scattering
• A global analysis of inclusive diffractive cross sections at HERA
• Pomeron structure functions from HERA to Tevatron and LHC

Cited by in corpus (1)

• A global analysis of diffractive events at HERA