Journal
JOURNAL OF HIGH ENERGY PHYSICS
Volume -, Issue 8, Pages -Publisher
SPRINGER
DOI: 10.1007/JHEP08(2018)006
Keywords
NLO Computations
Categories
Funding
- European Research Council (ERC) [320389]
- NWO Vidi grant [680-47-551]
- European Research Council (ERC) [320389] Funding Source: European Research Council (ERC)
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A scheme is proposed for the subtraction of soft and collinear divergences present in massless final state real emission phase space integrals. The scheme is based on a local slicing procedure which utilises the soft and collinear factorisation properties of amplitudes to produce universal counter-terms whose analytic integration is relatively simple. As a first application the scheme is applied to establish a general pole formula for final state real radiation at NLO and NNLO in Yang Mills theory for arbitrary multiplicities. All required counter-terms are evaluated to all orders in the dimensional regulator in terms of Gamma - and F-p(q) hypergeometric - functions. As a proof of principle the poles in the dimensional regulator of the H -> gggg double real emission contribution to the H -> gg decay rate are reproduced.
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