超越标准模型的希格斯玻色子对生产中的高阶和顶级质量效应

Proceedings of Loops and Legs in Quantum Field Theory — PoS(LL2018) Pub Date : 2018-07-31 DOI:10.22323/1.303.0083

G. Buchalla, A. Celis, M. Capozi, G. Heinrich, L. Scyboz

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引用次数: 0

摘要

在电弱手性拉格朗日描述的非线性有效场论框架内，我们讨论了通过胶子融合产生的希格斯玻色子对的NLO QCD修正和异常耦合之间的相互作用。我们研究了完全依赖顶夸克质量的NLO修正如何影响希格斯玻色子对不变质量的总横截面和分布。对于参数空间的很大一部分，会出现显著的和非齐次的k因子。

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Higher order and top mass effects in Higgs boson pair production beyond the Standard Model

We discuss the interplay between NLO QCD corrections and anomalous couplings in Higgs boson pair production via gluon fusion, within the framework of a non-linearly realised Effective Field Theory, described by the electroweak chiral Lagrangian. We study how the NLO corrections with full top quark mass dependence affect the total cross sections as well as distributions in the Higgs boson pair invariant mass. For a large part of the parameter space, significant and non-homogeneous K-factors arise.

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Proceedings of Loops and Legs in Quantum Field Theory — PoS(LL2018)

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