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Threshold Corrections in QED otimes QCD at the LHC | | B.F.L. Ward
; C. Glosser
; S. Jadach
; S. A. Yost
; | | Date: |
20 Oct 2004 | | Subject: | hep-ph | | Affiliation: | 3,4), S. A. Yost ( Department of Physics, Baylor University, Waco, TX, USA, Department of Physics, Southern Illinois University, Edwardsville, IL, USA, Institute of Nuclear Physics, Krakow, Poland, Theory Division, CERN, Geneva, Switzerland | | Abstract: | In some processes at the LHC, theoretical precisions of 1 percent are desired. With an eye toward such precisions, we introduce the theory of the simultaneous YFS resummation of QED and QCD to compute the size of the expected resummed soft radiative threshold effects in precision studies of heavy particle production at the LHC. Our results, 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, show that both must be controlled to be on the conservative side to achieve such precision goals. | | Source: | arXiv, hep-ph/0410277 | | Services: | Forum | Review | PDF | Favorites | |
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