J. Bartels et Mg. Ryskin, THE SPACE-TIME PICTURE OF THE WEE PARTONS AND THE AGK CUTTING RULES IN PERTURBATIVE QCD, Zeitschrift fur Physik. C, Particles and fields, 76(2), 1997, pp. 241-255
We discuss the space-time picture of scattering amplitudes with single
and double ladder exchange in perturbative QCD. Particular emphasis i
s given to the Abramovsky Gribov Kanchelli (AGK) rules which describe
the relative contributions of the diffractive dissociation and process
es with other multiplicities to the elastic scattering amplitude. Insi
de the Pomeron Pomeron interaction vertices we find a new matrix which
describes the transition from one s-cut to another and which goes bey
ond the original AGK rules.