NLO Conformal Symmetry in the Regge Limit of QCD

Details NLO Conformal Symmetry in the Regge Limit of QCD NLO Conformal Symmetry in the Regge Limit of QCD

1996-09-18

arxiv.org/abs/hep-ph/9609405v2

Nucl.Phys. B493 (1997) 397-412

Physics

High Energy Physics

High Energy Physics - Phenomenology

17 pages, with 7 ps figures in the text

Scientific paper

10.1016/S0550-3213(97)00137-5

We show that a scale invariant approximation to the next-to-leading order BFKL kernel, constructed via transverse momentum diagrams, has a simple conformally invariant representation in impact parameter space i.e. K(r1,r2,r1',r2') = g^4 N^2 ln^4[(|r1-r1'||r2-r2'|)/(|r1-r2'||r2-r1'|)] That a conformally invariant representation exists is shown first by relating the kernel directly to Feynman diagrams contributing to two photon diffractive dissociation.

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