Further analysis of the BFKL equation with momentum cutoffs

Details Further analysis of the BFKL equation with momentum cutoffs Further analysis of the BFKL equation with momentum cutoffs

1996-06-10

arxiv.org/abs/hep-ph/9606293v1

Nucl.Phys.B484:283-302,1997

Physics

High Energy Physics

High Energy Physics - Phenomenology

27 pages, latex, 6 figures

Scientific paper

10.1016/S0550-3213(96)00600-1

In this paper we investigate the effect of introducing transverse momentum cutoffs on the BFKL equation. We present solutions in moment space for various models of the BFKL kernel for different combinations of these cutoffs. We improve on previous calculations by using the full BFKL kernel (rather than simplified analytic approximations). The significance of the next-to-leading or ``higher twist'' terms in the kernel are assessed. We find that, while these terms are negligible in the absence of cutoffs, introducing an infra-red cutoff markedly enhances their significance.

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