ZH production in gluon fusion: two-loop amplitudes with full top quark mass dependence

被引：0
|
作者：
Long Chen
Gudrun Heinrich
Stephen P. Jones
Matthias Kerner
Jonas Klappert
Johannes Schlenk
机构：
[1] Max Planck Institute for Physics,Institute for Theoretical Physics
[2] Karlsruhe Institute of Technology,Theoretical Physics Department
[3] CERN,Institute for Particle Physics Phenomenology
[4] Durham University,Physik
[5] Universität Zürich,Institut
[6] RWTH Aachen University,Institute for Theoretical Particle Physics and Cosmology
[7] Paul Scherrer Institut,Theory Group LTP
来源：
Journal of High Energy Physics | / 2021卷
关键词：
NLO Computations; QCD Phenomenology;
D O I：
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学科分类号：
摘要：
We present results for the two-loop helicity amplitudes entering the NLO QCD corrections to the production of a Higgs boson in association with a Z -boson in gluon fusion. The two-loop integrals, involving massive top quarks, are calculated numerically. Results for the interference of the finite part of the two-loop amplitudes with the Born amplitude are shown as a function of the two kinematic invariants on which the amplitudes depend.
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