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English(EN) Likelihood-Based Unsupervised Anomaly Detection in CMS Dijet Events

新AI方法检测粒子碰撞数据中的异常

研究人员开发了一种新的无监督异常检测方法,用于粒子物理学中的喷注事件,使用了基于似然性的归一化流密度估计。该技术在大型强子对撞机CMS实验的高维数据上训练一个归一化流模型,以学习标准模型背景。在此模型下似然性得分低的事件被标记为潜在异常,在本研究中,这些异常显示出喷注子结构和事件拓扑的偏差,而不是一个明显的质量峰值。 AI

影响 这项研究展示了归一化流在能量物理学异常检测方面的新颖应用,可能为发现超出标准模型的新物理学提供新工具。

排序理由 学术论文,详细介绍了一种用于物理学数据异常检测的新方法。[lever_c_demoted from research: ic=1 ai=1.0]

在 arXiv cs.LG 阅读 →

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新AI方法检测粒子碰撞数据中的异常

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学术论文,详细介绍了一种用于物理学数据异常检测的新方法。[lever_c_demoted from research: ic=1 ai=1.0]
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报道来源 [1]

  1. arXiv cs.LG TIER_1 English(EN) · Bhavishya Chebrolu (VIT-AP University, Amaravati, India), Hitesh Rasineni (VIT-AP University, Amaravati, India), Prajwal Aaryan Immadi (VIT-AP University, Amaravati, India) ·

    CMS 喷注事件中的基于似然的无监督异常检测

    arXiv:2609.06686v1 Announce Type: cross Abstract: We present an unsupervised search for anomalous dijet events in proton--proton collision data using neural spline flow density estimation. A normalizing flow model is trained on a high-dimensional feature space comprising jet, dij…