The total virtual photoabsorption cross section, deeply virtual Compton scattering and vector-meson production

被引：0
|
作者：
M. Kuroda
D. Schildknecht
机构：
[1] Meiji Gakuin University,Institute of Physics
[2] Universität Bielefeld,Fakultät für Physik
来源：
The European Physical Journal C - Particles and Fields | 2004年 / 37卷
关键词：
Experimental Data; Field Theory; Elementary Particle; Quantum Field Theory; Particle Acceleration;
D O I：
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学科分类号：
摘要：
Based on the generic two-gluon-exchange dynamical mechanism for deeply inelastic scattering at low \documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$x \simeq Q^2/W^2 \ll 1$\end{document}, we stress the intimate direct connection between the total virtual photoabsorption cross section, deeply virtual Compton scattering and vector-meson electroproduction. A simple expression for the cross section for deeply virtual Compton scattering is derived. Parameter-free predictions are obtained for deeply virtual Compton forward scattering and vector-meson forward production, once the parameters in the total virtual photoabsorption cross section are determined in a fit to the experimental data on deeply inelastic scattering. Our predictions are compared with the experimental data from HERA.
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页码：205 / 222
页数：17
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