On top quark mass effects to gg → ZH at NLO
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- Hasselhuhn, A., Luthe, T. & Steinhauser, M. J. High Energ. Phys. (2017) 2017: 73. doi:10.1007/JHEP01(2017)073
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We compute next-to-leading order QCD corrections to the process gg → ZH. In the effective-theory approach we confirm the results in the literature. We consider top quark mass corrections via an asymptotic expansion and show that there is a good convergence below the top quark threshold which describes approximately a quarter of the total cross section. Our corrections are implemented in the publicly available C++ program ggzh.