A new prescription for soft gluon resummation - High Energy Physics - PhenomenologyReport as inadecuate




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Abstract: We present a new prescription for the resummation of the divergent series ofperturbative corrections, due to soft gluon emission, to hard processes nearthreshold in perturbative QCD threshold resummation. This prescription isbased on Borel resummation, and contrary to the commonly used minimalprescription, it does not introduce a dependence of resummed physicalobservables on the kinematically unaccessible x->0 region of partondistributions. We compare results for resummed deep-inelastic scatteringobtained using the Borel prescription and the minimal prescription and exploitthe comparison to discuss the ambiguities related to the resummation procedure.



Author: Riccardo Abbate, Stefano Forte, Giovanni Ridolfi

Source: https://arxiv.org/



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