k-Factorization and Impact Factors at Next-to-leading Level

Details k-Factorization and Impact Factors at Next-to-leading Level k-Factorization and Impact Factors at Next-to-leading Level

1998-06-12

arxiv.org/abs/hep-ph/9806350v1

Nucl.Phys. B538 (1999) 187-214

Physics

High Energy Physics

High Energy Physics - Phenomenology

Scientific paper

10.1016/S0550-3213(98)00621-X

We further analyse,at next-to-leading log(s) level,the form of k-factorization and the definition of impact factors previously proposed by one of us,and we generalize them to the case of hard colourless probes. We then calculate the finite one-loop corrections to quark and gluon impact factors and we find them universal,and given by the same K factor which occurs in the soft timelike splitting functions.

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