paper

QED \otimes QCD Threshold Corrections at the LHC

arXiv:hep-ph/0404087 · doi:10.1142/S0217732304015397

Abstract

We use the theory of YFS resummation to compute the size of the expected resummed soft radiative threshold effects in precision studies of heavy particle production at the LHC, where accuracies of 1 percent are desired in some processes. We find that the soft QED threshold effects are at the level of 0.3 percent whereas the soft QCD threshold effects enter at the level of 20 percent and hence both must be controlled to be on the conservative side to achieve such goals.

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