期刊
JOURNAL OF HIGH ENERGY PHYSICS
卷 -, 期 10, 页码 -出版社
SPRINGER
DOI: 10.1007/JHEP10(2016)107
关键词
NLO Computations; QCD Phenomenology
资金
- Research Executive Agency (REA) of the European Union [PITN-GA2012316704]
- ERC [340983]
- Swiss National Science Foundation [PZ00P2_154829]
- Max Planck Computing and Data Facility (MPCDF)
- Swiss National Science Foundation (SNF) [PZ00P2_154829] Funding Source: Swiss National Science Foundation (SNF)
We study the effects of the exact top quark mass-dependent two-loop corrections to Higgs boson pair production by gluon fusion at the LHC and at a 100 TeV hadron collider. We perform a detailed comparison of the full next-to-leading order result to various approximations at the level of differential distributions and also analyse non-standard Higgs self-coupling scenarios. We find that the different next-to-leading order approximations differ from the full result by up to 50 percent in relevant differential distributions. This clearly stresses the importance of the full NLO result.
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