ar X iv : h ep - p h / 06 11 07 0 v 1 7 N ov 2 00 6 Nonlinear k t factorisation : recent progress and perspectives
نویسنده
چکیده
Hard scattering in a strongly absorptive regime requires a novel nonlinear k ⊥ – factorization. Here we discuss two recent developments: firstly the evaluation of radiative corrections to single particle spectra, and secondly an extension of the formalism to address topological cross sections and unitarity cutting rules.
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