MiNNLOPS: Optimizing 2 → 1 hadronic processes

Monni, Pier Francesco; Re, Emanuele; Wiesemann, Marius

doi:10.1140/epjc/s10052-020-08658-5

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MiNNLOPS: Optimizing 2 → 1 hadronic processes

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Monni, Pier Francesco
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Re, Emanuele
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Wiesemann, Marius
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

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Citation

Monni, P. F., Re, E., & Wiesemann, M. (2020). MiNNLOPS: Optimizing 2 → 1 hadronic processes. European Physical Journal C, 80, 1075. doi:10.1140/epjc/s10052-020-08658-5.

Cite as: https://hdl.handle.net/21.11116/0000-0008-1B89-0

Abstract

We consider the MiNNLO$_{\rm PS}$ method to consistently combine next-to-next-to-leading order (NNLO) QCD calculations with parton-shower simulations. We identify the main sources of differences between MiNNLO$_{\rm PS}$ and fixed-order NNLO predictions for inclusive observables due to corrections beyond NNLO accuracy and present simple prescriptions to either reduce or remove them. Refined predictions are presented for Higgs, charged- and neutral-current Drell Yan production. The agreement with fixed-order NNLO calculations is considerably improved for inclusive observables and scale uncertainties are reduced. The codes are released within the POWHEG-BOX.