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ZZ production in gluon fusion at NLO matched to parton shower

机译:NLO的胶子熔合中的ZZ生产与parton花洒匹配

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We present a calculation of the next-to-leading order QCD corrections to the hadroproduction process g g → Z Z → e + e ? μ + μ ? , matched to the parton shower in the powheg framework. We take advantage of the powheg box tool for the implementation and rely on pythia8 for the showering and hadronization stages. We fully include γ * / Z interference effects, while also covering the single-resonant region. For this phenomenological study we focus on four lepton production as a signal process, neglecting all quark mass effects as well as the Higgs-mediated contributions, which are known to be subdominant in this case. We provide predictions from our simulations for the 13?TeV LHC Run II setup, including realistic experimental cuts.
机译:我们提出了对hadro生产过程的次最先阶QCD校正的计算g→Z Z→e + e? μ+μ? ,与powheg框架中的parton Shower匹配。我们利用powheg盒工具进行实施,并在淋浴和强子化阶段依赖pythia8。我们完全包括γ* / Z干扰效应,同时还涵盖了单共振区域。对于这种现象学研究,我们将注意力集中在四个轻子的产生作为信号过程上,而忽略了所有夸克质量效应以及希格斯介导的贡献(在这种情况下占主导地位)。我们提供了13?TeV LHC Run II设置的仿真预测,包括实际的实验切割。

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