Eur. Phys. J. C (2015) 75: 18
https://doi.org/10.1140/epjc/s10052-014-3205-8

Regular Article - Theoretical Physics

A model for strong interactions at high energy based on the CGC/saturation approach

¹ Department of Particle Physics, School of Physics and Astronomy, Raymond and Beverly Sackler Faculty of Exact Science, Tel Aviv University, Tel Aviv, 69978, Israel
² Departamento de Física, Universidad Técnica Federico Santa María and Centro Cientifico-Tecnológico de Valparaíso, Avda. España 1680, Casilla 110-V, Valparaiso, Chile

^* e-mail: gotsman@post.tau.ac.il

Received: 28 August 2014
Accepted: 27 November 2014
Published online: 15 January 2015

Abstract

We present our first attempt to develop a model for soft interactions at high energy, based on the BFKL Pomeron and the CGC/saturation approach. We construct an eikonal-type model, whose opacity is determined by the exchange of the dressed BFKL Pomeron. The Green function of the Pomeron is calculated in the framework of the CGC/saturation approach. Using five parameters we achieve a reasonable description of the experimental data at high energies ( TeV) with overall . The model results in different behavior for the single- and double-diffraction cross sections at high energies. The single-diffraction cross section reaches a saturated value (about 10 mb) at high energies, while the double-diffraction cross section continues growing slowly.