2001/02/06 by M. B. Gay Ducati, V. P. Gonçalves, V. P. Goncalves · 3 citations
Physics and Astronomy · #High-Energy Particle Collisions Research #Particle physics theoretical and experimental studies #Quantum Chromodynamics and Particle Interactions #hep-ph
paper · pdf · doi:10.1016/s0370-2693(01)00187-3
published as Phys.Lett. B502 (2001) 92-98 · 14 pages. Accepted for publication in Physics Letters B
arxiv created 2001/02/06 · openalex publication_date 2001/03/01 · arxiv updated 2009/11/30 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28
The behavior of the structure function at high energies (high densities) is directly associated to the gluon distribution. In this paper we analyze the asymptotic behavior of the structure function at very high densities considering a leading and a higher twist relation between these two quantities. We verify that (a) if the leading twist relation between the structure function and the gluon distribution is used, we recover the black disc limit, and (b) a softer behavior is predicted if a higher twist relation between F2 and xG is considered. While the first behavior is well-established by the current high density approaches, the higher twist behavior is a new result. In both cases, the F2 structure function unitarizes and the Froissart boundary is not violated in the asymptotic regime of high density QCD.