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[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

[en] Continuing our investigations of the analytic structure of the 2 $\to <!--\; ???\; -->$ n scattering amplitudes in the planar limit of N = 4 SYM in multi-Regge kinematics we compute, in all kinematic regions, the Regge cut contributions of the 2 $\to <!--\; ???\; -->$ 6 process in leading order. Compared to previous studies of the 2 $\to <!--\; ???\; -->$ 4 and the 2 $\to <!--\; ???\; -->$ 5 processes we encounter two new features: the 3-reggon cut and the product of two 2-reggeon cut contributions.

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[en] In this paper, we discuss the charge and magnetization densities for proton and neutron in the transverse plane, whereas there are links between the generalized parton distributions (GPDs) and elastic form factors by means of sum rules. We use the extended Regge parameterization for large momentum transfer region for calculating Dirac and Pauli form factors which have been described in the electromagnetic form factors data, so we want to calculate the charge and magnetization densities for proton and neutron in the transverse plane and we also calculate u and d quark charge and magnetization densities. The extracted results are compared with other previous parameterizations. (author)

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