SciELO - Scientific Electronic Library Online

vol.37 issue1ASmall-x physics at coherent pA/AA interactions at LHCJ/psi production in the saturation regime author indexsubject indexarticles search
Home Pagealphabetic serial listing  

Services on Demand




Related links


Brazilian Journal of Physics

Print version ISSN 0103-9733On-line version ISSN 1678-4448


CARVALHO, F.; DURAES, F.O.  and  LUNA, E.G.S.. Gluon saturation and proton: anti-proton cross sections. Braz. J. Phys. [online]. 2007, vol.37, n.1a, pp.110-113. ISSN 0103-9733.

We study proton - anti-proton cross sections in the framework of an updated minijet eikonal model. We propose a different scheme for fixing the parameters, in which we make use of the measured minijet cross section. We compare the results obtained with the GRV98, MRST98, CTEQ6-L and KLN gluon distributions. The latter includes gluon saturation effects. We conclude that in the very high energy regime the use of the KLN distribution improves significantly the behavior of the cross sections. However this improvement is due to the shape of the KLN gluon density and has little to do with saturation effects.

Keywords : Gluon saturation; Minijet eikonal model; Hadronic cross sections.

        · text in English     · English ( pdf epdf )


Creative Commons License All the contents of this journal, except where otherwise noted, is licensed under a Creative Commons Attribution License