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Abstract: The summation of the small x corrections to hard scattering QCD amplitudes bycollinear factorisation method is reconsidered and the K-factor is derived inleading log x approximation. The corresponding expression by Catani andHautmann 1994 has to be corrected. The significance of the correction isdemonstrated in the examples of structure function F L and of exclusiveelectroproduction.



Autor: R. Kirschner, M. Segond

Fuente: https://arxiv.org/







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