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[en] In recent studies a model has been proposed for the gluon distribution function xG(x,Q2) related to double Pomeron pole exchange. The dependence of its parameters on Q2 is calculated using the Gribov-Lipatov-Altarelli-Parisi evolution equation, both in the leading log approximation and in the double log approximation. The behavior ∼ [In(1/x)]b turns out to be unstable to perturbative calculations. 11 refs
Journal
[en] We discuss the compatibility of the naive Pomeron [αp(0) = 1] for the parton amplitudes with the absence of physical singularities in the colored channels (confinement)
Journal
[en] The data on diffraction dissociation at high energies are an important tool to extract the bare triple-pomeron coupling r value
Journal
[en] The evolving way in which high-energy, small-momentum-transfer processes have been described over the past 30 years is briefly reviewed. (physics of our days)
Journal
Physics Uspekhi; ISSN 1063-7869; 
; v. 43(2); p. 177-180
; v. 43(2); p. 177-180
[en] A simple model of the vacuum is developed in order to explain the properties of the pomeron observed in experiments. In the model, (bare)pomeron exchange corresponds to two-gluon exchange. We explain how it can be that when the pomeron couples to a hadron, the two gluons couple predominantly to the same quark in the hadron, and how together their coupling is similar to that of a C = 1 isoscalar photon
Source
Tran Thanh Van, J. (ed.); 744 p; ISBN 2-86332-048-3; ; 1987; p. 613-620; Editions Frontieres; Gif-sur-Yvette (France); Moriond Meeting on Hadrons, Quarks and Gluons; Les Arcs (France); 15-21 Mar 1987
; 1987; p. 613-620; Editions Frontieres; Gif-sur-Yvette (France); Moriond Meeting on Hadrons, Quarks and Gluons; Les Arcs (France); 15-21 Mar 1987
[en] Reggeon field theory is shown to be mathematically equivalent to a simple chemical process where a radical can undergo diffusion, absorption, autocatalytic production, and recombination. Physically, these radicals are wee partons. The mathematical apparatus of RFT can thus be replaced by a very intuive and physically simple picture of interacting partons
Source
Tran Thanh Van, J. (ed.); Paris-11 Univ., 91 - Orsay (France). Lab. de Physique Theorique et Particules Elementaires; v. 1 p. 517-523; ISBN 2-86332-002-5; ; 1978; v. 1 p. 517-523; Editions Frontieres; Gif-sur-Yvette, France (B.P. 44); 13. Rencontre de Moriond; Les Arcs, France; 12 - 24 Mar 1978
; 1978; v. 1 p. 517-523; Editions Frontieres; Gif-sur-Yvette, France (B.P. 44); 13. Rencontre de Moriond; Les Arcs, France; 12 - 24 Mar 1978
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