Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2006-11-13
J.Phys.G34:1673-1682,2007
Physics
High Energy Physics
High Energy Physics - Phenomenology
14 pages, 2 figures. Version to be published in Journal of Physics G: Nuclear and Particle Physics
Scientific paper
10.1088/0954-3899/34/7/008
In this paper the two-photon interactions at high energies are investigated considering different approaches for the QCD dynamics. In particular, we calculate the $\gamma^* \gamma^*$ total cross section in different theoretical approches and present a comparison among the predictions of the BFKL dynamics at leading and next-to-leading order with those from saturation physics. We analyze the possibility that the future linear colliders could discriminate between these different approaches.
Goncalves Victor P.
Machado Magno V. T.
Sauter Werner K.
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