Diffractive scattering
Copyright policy )Diffractive scattering
We discuss basic concepts and properties of diffractive phenomena in soft hadron collisions and in deep-inelastic scattering at low Bjorken-x. The paper is not a review of the rapidly developing field but presents an attempt to show in simple terms the close inter-relationship between the dynamics of high-energy hadronic and deep-inelastic diffraction. Using the saturation model of Golec-Biernat and Wusthoff as an example, a simple explanation of geometrical scaling is presented. The relation between the QCD anomalous multiplicity dimension and the Pomeron intercept is discussed.
Expanded version of a talk presented at the Ringberg Workshop on ``New Trends in HERA Physics 2001''. 44 pages, 26 Postscript figures, uses citesort.sty, iopart.cls (included). References added
- Helmholtz Association of German Research Centres Germany
- Deutsches Elektronen-Synchrotron DESY Germany
- University of Antwerp Belgium
- European Organization for Nuclear Research Switzerland
electron p: deep inelastic scattering, scaling: geometrical, small-x, diffraction, FOS: Physical sciences, model: parton, vector meson: electroproduction, numerical calculations: interpretation of experiments, differential cross section: momentum transfer, High Energy Physics - Phenomenology (hep-ph), photon p: interaction, quantum chromodynamics, unitarity, p: structure function, info:eu-repo/classification/ddc/530, hadron hadron: interaction, total cross section: energy dependence, talk: Zakopane 2002/05/31, hadron: hadroproduction, pomeron: exchange, Regge poles, bibliography, multiplicity: dimension, differential cross section: slope, hadron hadron: elastic scattering, High Energy Physics - Phenomenology, talk: Tegernsee 2001/06/17, K0(S), cross section: dipole, negative particle
electron p: deep inelastic scattering, scaling: geometrical, small-x, diffraction, FOS: Physical sciences, model: parton, vector meson: electroproduction, numerical calculations: interpretation of experiments, differential cross section: momentum transfer, High Energy Physics - Phenomenology (hep-ph), photon p: interaction, quantum chromodynamics, unitarity, p: structure function, info:eu-repo/classification/ddc/530, hadron hadron: interaction, total cross section: energy dependence, talk: Zakopane 2002/05/31, hadron: hadroproduction, pomeron: exchange, Regge poles, bibliography, multiplicity: dimension, differential cross section: slope, hadron hadron: elastic scattering, High Energy Physics - Phenomenology, talk: Tegernsee 2001/06/17, K0(S), cross section: dipole, negative particle
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