期刊
PHYSICAL REVIEW D
卷 90, 期 5, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevD.90.053006
关键词
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资金
- U.S. Department of Energy [DEAC0276SF00515]
- Research Center Elementary Forces and Mathematical Foundations (EMG) of the Johannes Gutenberg University of Mainz
- German Research Foundation (DFG)
- ERC of the European Research Council [EFT4LHC]
- Cluster of Excellence Precision Physics, Fundamental Interactions and Structure of Matter (PRISMA-EXC) [1098]
In this paper, we study phenomenologically interesting soft radiation distributions in massless QCD. Specifically, we consider the emission of two soft partons off of a pair of lightlikeWilson lines, in either the fundamental or the adjoint representation, at next-to-leading order. Our results are an essential component of the next-to-next-to-next-to-leading order threshold corrections to both Higgs boson production in the gluon fusion channel and Drell-Yan lepton production. Our calculations are consistent with the recently published results for Higgs boson production. As a nontrivial cross-check on our analysis, we rederive a recent prediction for the Drell-Yan threshold cross section using a completely different strategy. Our results are compact, valid to all orders in the dimensional regularization parameter, and expressed in terms of pure functions.
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