论文标题

使用$ττ$最终状态,对矢量玻色子的异常Higgs玻色子耦合的限制

Constraints on anomalous Higgs boson couplings to vector bosons and fermions from the production of Higgs bosons using the $ττ$ final state

论文作者

CMS Collaboration

论文摘要

提出了希格斯玻色子与载体和费米子的异常耦合的研究。数据通过CMS实验记录在PP碰撞13 TEV的PP碰撞的质量中心,对应于138 fb $^{ - 1} $的集成光度。该研究使用HIGGS玻色子候选物,主要是在LHC上以Gluon Fusion或Electroweak Vector Boson Fusion产生的,随后衰减至一对$τ$ leptons。矩阵元素和机器学习技术用于搜索异常相互作用。结果与来自四局和两光子衰减通道的结果结合在一起,以产生迄今为止异常的希格斯玻色子耦合的最严格约束。 Higgs玻色子耦合与胶子的纯$ CP $ -ODD场景被排除在2.4标准偏差下。结果与标准模型预测一致。

A study of anomalous couplings of the Higgs boson to vector bosons and fermions is presented. The data were recorded by the CMS experiment at a center-of-mass energy of pp collisions at the LHC of 13 TeV and correspond to an integrated luminosity of 138 fb$^{-1}$. The study uses Higgs boson candidates produced mainly in gluon fusion or electroweak vector boson fusion at the LHC that subsequently decay to a pair of $τ$ leptons. Matrix-element and machine-learning techniques were employed in a search for anomalous interactions. The results are combined with those from the four-lepton and two-photon decay channels to yield the most stringent constraints on anomalous Higgs boson couplings to date. The pure $CP$-odd scenario of the Higgs boson coupling to gluons is excluded at 2.4 standard deviations. The results are consistent with the standard model predictions.

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