基于矩阵元素排序的模型无关建模
Model-Independent Searches Using Matrix Element Ranking
摘要:
到目前为止,LHC实验还没有发现超越标准模型的物理学。这促使人们努力以独立于模型的方式寻找新的物理学。本着这种精神,我们描述了程序使用的矩阵元方法的一个变种,以寻找新的物理,而不考虑一个特定的信号假设。为了使得到的变量更直观,我们还描述了如何将这些变量“展平”,这使得得到的分布更具视觉意义。
英文摘要:
Thus far the LHC experiments have yet to discover beyond-the-standard-model physics. This motivates efforts to search for new physics in model independent ways. In this spirit, we describe procedures for using a variant of the Matrix Element Method to search for new physics without regard to a specific signal hypothesis. To make the resulting variables more intuitive, we also describe how these variables can be "flattened", which makes the resulting distributions more visually meaningful.
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