期刊
PHYSICAL REVIEW D
卷 99, 期 5, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevD.99.051501
关键词
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资金
- Swiss National Science Foundation (SNF) [200020-169041]
- ERC Starting Grant [714788 REINVENT]
- Swiss National Science Foundation (SNF) [200020_169041] Funding Source: Swiss National Science Foundation (SNF)
We report on a new calculation of the next-to-next-to-leading order QCD radiative corrections to the inclusive production of top-quark pairs at hadron colliders. The calculation is performed by using the q(T) subtraction formalism to handle and cancel infrared singular contributions at intermediate stages of the computation. We present numerical results for the total cross section in pp collisions at root s = 8 and 13 TeV, and we compare them with those obtained by using the publicly available numerical program ToP++. Our computation represents the first complete application of the q(T) subtraction formalism to the hadroproduction of a colorful high-mass system at next-to-next-to-leading order.
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