Small x phenomenology on gluon evolution through the BFKL equation in light of a constraint in multi-Regge kinematics
Pragyan Phukan,Madhurjya Lalung,Jayanta Kumar Sarma
Figure 1. (a) Chain of sequential gluon emission, which forms the basis of the BFKL equation. On squaring the amplitude of (a) the ladder (b) is generated, which, when summed, gives the BFKL kernel.