We present compact analytic formulas that describe the decay of colorless particles to both qq¯ and gg final states through next-to-next-to-leading order in perturbative QCD in the context of the nested soft-collinear subtraction scheme. In addition to their relevance for the description of decays like V→ qq¯ ′, V= Z, W, H→ bb¯ and H→ gg, these results provide an important building block for calculating NNLO QCD corrections to arbitrary processes at colliders within the nested soft-collinear subtraction scheme.
Analytic results for decays of color singlets to gg and qq¯ final states at NNLO QCD with the nested soft-collinear subtraction scheme / F. Caola, K. Melnikov, R. Röntsch. - In: THE EUROPEAN PHYSICAL JOURNAL. C, PARTICLES AND FIELDS. - ISSN 1434-6044. - 79:12(2019), pp. 1013.1-1013.25. [10.1140/epjc/s10052-019-7505-x]
Analytic results for decays of color singlets to gg and qq¯ final states at NNLO QCD with the nested soft-collinear subtraction scheme
R. RöntschUltimo
2019
Abstract
We present compact analytic formulas that describe the decay of colorless particles to both qq¯ and gg final states through next-to-next-to-leading order in perturbative QCD in the context of the nested soft-collinear subtraction scheme. In addition to their relevance for the description of decays like V→ qq¯ ′, V= Z, W, H→ bb¯ and H→ gg, these results provide an important building block for calculating NNLO QCD corrections to arbitrary processes at colliders within the nested soft-collinear subtraction scheme.
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