Journal
JOURNAL OF HIGH ENERGY PHYSICS
Volume -, Issue 9, Pages -Publisher
SPRINGER
DOI: 10.1007/JHEP09(2022)155
Keywords
Effective Field Theories of QCD; Factorization; Renormalization Group; Higher-Order Perturbative Calculations; Resummation
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Funding
- United States Department of Energy [DE-AC0276SF00515]
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In this article, we calculate soft phase-space and loop master integrals for the computation of color-singlet cross sections in perturbative QCD. Our results include the first nine terms in the expansion in the dimensional regulator epsilon and have applications in deeply-inelastic scattering and e(+)e(-) annihilation processes. We also compute the perturbative coefficient functions for the Drell-Yan and gluon-fusion Higgs boson production cross sections to higher orders in epsilon.
We calculate soft phase-space and loop master integrals for the computation of color-singlet cross sections through (NLO)-L-3 in perturbative QCD. Our results are functions of homogeneous transcendental weight and include the first nine terms in the expansion in the dimensional regulator epsilon. We discuss the application of our results to the computation of deeply-inelastic scattering and e(+)e(-) annihilation processes. We use these results to compute the perturbative coefficient functions for the Drell-Yan and gluon-fusion Higgs boson production cross sections to higher orders in epsilon through (NLO)-L-3 in QCD in the limit where only soft partons are produced on top of the colorless final state. Furthermore, we extract the anomalous dimension of the inclusive threshold soft function and of the N-Jettiness beam and jet functions to (NLO)-L-4 in perturbative QCD.
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