Single and Double BFKL Pomeron Exchange and a Dipole Picture of High Energy Hard Processes

Details Single and Double BFKL Pomeron Exchange and a Dipole Picture of High Energy Hard Processes Single and Double BFKL Pomeron Exchange and a Dipole Picture of High Energy Hard Processes

1994-03-09

arxiv.org/abs/hep-ph/9403256v2

Nucl.Phys. B425 (1994) 471-488

Physics

High Energy Physics

High Energy Physics - Phenomenology

CU-TP-625, minor TeX problems of previous version have been fixed

Scientific paper

10.1016/0550-3213(94)90284-4

Onium-onium scattering at high energy is used to illustrate a dipole picture of high energy hard scattering in the large $N_c$ limit. Single and double BFKL pomeron exchanges are calculated in the leading logarithmic approximation. An expression is given for the triple pomeron coupling when one of the pomeron's momentum is zero while the other two have momentum transfer, t. This expression is explicit and could be evaluated numerically. It has a $(-t)^{-{1\over 2}}$ singularity at t=0.

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