Pomeron Structure and Multiple-Production Mechanisms
نویسندگان
چکیده
منابع مشابه
Central production of mesons: Exotic states versus Pomeron structure
We demonstrate that the azimuthal dependence of central meson production in hadronic collisions, when suitably binned, provides unambiguous tests of whether the Pomeron couples like a conserved vector-current to protons. We discuss the possibility of discriminating between qq̄ and glueball production in such processes. Our predictions apply also to meson production in tagged two-photon events at...
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Results of experiments probing the structure of the pomeron at hadron colliders and at HERA are reviewed. By renormalizing the pomeron flux factor in diffraction dissociation as dictated by unitarity, a picture emerges from the data in which the pomeron appears to be made of valence quark and gluon color-singlets in a combination suggested by asymptopia.
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We suggest that the pseudo-rapidity cut dependence of diffractive deep-inelastic scattering events at HERA may provide a sensitive test of models of diffraction. A comparison with the experimental cross section shows that the Donnachie-Landshoff model and a simple two-gluon exchange model of the pomeron model are disfavoured. However a model with a direct coupling of the pomeron to quarks is vi...
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ژورنال
عنوان ژورنال: Progress of Theoretical Physics
سال: 1974
ISSN: 0033-068X,1347-4081
DOI: 10.1143/ptp.51.1488