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English(EN) Probing SMEFT Operators through $t\bar{t}t\bar{t}$ Production with Hyper-Graph Neural Networks at the LHC

超图神经网络增强LHC粒子碰撞分析

研究人员开发了一种超图神经网络(H-GNN)来改进大型强子对撞机上$tar{t}tar{t}$产生的探测。这种先进的神经网络架构将事件表示为超图,捕捉喷流和轻子之间复杂的关联,以更好地将信号事件与背景噪声区分开。与现有方法相比,H-GNN在统计显著性方面取得了显著改进,从而能够对标准模型有效场论中六维算符的威尔逊系数进行更精确的约束。 AI

影响 为高能物理学引入了一种新颖的AI方法论,有望改进数据分析和发现能力。

排序理由 学术论文,详细介绍了应用于粒子物理学分析的新方法论(H-GNN)。[lever_c_demoted from research: ic=1 ai=0.7]

在 arXiv cs.AI 阅读 →

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超图神经网络增强LHC粒子碰撞分析

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学术论文,详细介绍了应用于粒子物理学分析的新方法论(H-GNN)。[lever_c_demoted from research: ic=1 ai=0.7]
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报道来源 [1]

  1. arXiv cs.AI TIER_1 English(EN) · Sanmay Ganguly ·

    利用LHC上的超图神经网络探测$t\bar{t}t\bar{t}$产生中的SMEFT算子

    We present a phenomenological study of $t\bar{t}t\bar{t}$ production in proton-proton collisions at $\sqrt{s} = 13$~TeV, using a Hyper-Graph Neural Network (H-GNN) to discriminate multilepton signal events from the dominant SM backgrounds, namely $t\bar{t}W$, $t\bar{t}Z$, $t\bar{…