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MiNNLOPS: optimizing 2→1 hadronic processes
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DOI：10.1140/epjc/s10052-020-08658-5.png)
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Abstract
En 中文
We consider the MiNNLOPS 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 MiNNLOPS 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.
Keywords:
PARTON DISTRIBUTIONS
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