2016/08/16 by S. Borowka, N. Greiner, G. Heinrich +4 · 1 citation
Physics and Astronomy · #hep-ph
paper · pdf · doi:10.1007/jhep10(2016)107
41 pages, 14 figures
arxiv created 2016/08/16 · arxiv updated 2016/11/23
We study the effects of the exact top-quark mass dependent two-loop corrections to Higgs boson pair production by gluon fusion at the LHC and at a 100 TeV hadron collider. We perform a detailed comparison of the full next-to-leading order result to various approximations at the level of differential distributions and also analyse non-standard Higgs self-coupling scenarios. We find that the different next-to-leading order approximations differ from the full result by up to 50 percent in relevant differential distributions. This clearly stresses the importance of the full NLO result.