2011/12/21 by W. Beenakker, Wim Beenakker, Beenakker, Wim +10
Physics and Astronomy · #FOS: Physical sciences #High Energy Physics - Phenomenology (hep-ph) #High-Energy Particle Collisions Research #Particle Detector Development and Performance #Particle physics theoretical and experimental studies #hep-ph
paper · pdf · doi:10.48550/arxiv.1112.5057
8 pages, 5 Figures; to appear in the proceedings of the "10th International Symposium on Radiative Corrections" (RADCOR2011)
arxiv created 2011/12/21 · openalex publication_date 2011/12/21 · arxiv updated 2011/12/22 · openalex created_date 2025/10/10 · openalex updated_date 2026/08/01
We report on the resummation of soft-gluon emissions for squark-antisquark production at next-to-next-to-leading-logarithmic (NNLL) accuracy. We will put particular emphasis on the one loop hard matching coefficients required to perform the resummation. Furthermore we will discuss the numerical effect of the different ingredients in the corrections. We find a significant reduction in the scale uncertainty and a considerable increase in the prediction of the total cross section at the central scale. Compared to the next-to-leading order prediction, the corrections increase the cross section by up to 30% for 1.5 TeV squarks at a centre-of-mass energy of 7 TeV at the LHC.