Journal
JOURNAL OF HIGH ENERGY PHYSICS
Volume -, Issue 3, Pages -Publisher
SPRINGER
DOI: 10.1007/JHEP03(2015)091
Keywords
QCD Phenomenology; NLO Computations
Categories
Funding
- Swiss National Science Foundation (SNF) [200021-143781, 200020-149517]
- European Commission through the ERC [291377, 320651, 340983]
- FP7 Marie Curie Initial Training Network LHCPhenoNet [PITN-GA-2010264564]
- U.S. Department of Energy [DE-AC02-07CH11359]
- Fonds National de la Recherche Scientifique (FNRS), Belgium
- Swiss National Science Foundation (SNF) [200021_143781] Funding Source: Swiss National Science Foundation (SNF)
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In this article, we compute the gluon fusion Higgs boson cross-section at (NLO)-L-3 through the second term in the threshold expansion. This calculation constitutes a major milestone towards the full (NLO)-L-3 cross section. Our result has the best formal accuracy in the threshold expansion currently available, and includes contributions from collinear regions besides subleading corrections from soft and hard regions, as well as certain logarithmically enhanced contributions for general kinematics. We use our results to perform a critical appraisal of the validity of the threshold approximation at (NLO)-L-3 in perturbative QCD.
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