标题： 喷流与缺失能量的自动对焦 显示英文标题

标题： Jets plus Missing Energy with an Autofocus

摘要： 喷流加缺失横向能量是LHC上寻找新物理的主要搜索通道之一。 主要的限制在于我们对QCD背景的理解。 使用喷流合并，我们可以用阶梯标度来描述典型背景通道中的喷流数量，包括理论不确定性。 标度参数取决于最终态中的粒子和所应用的切割条件。 测量阶梯标度将使我们能够预测标准模型背景的有效质量。 基于这两个可观测量，我们提出了一种分析策略，避免特定模型的切割条件，该策略能提供关于潜在新物理的颜色电荷和质量尺度的信息。 显示英文摘要

摘要： Jets plus missing transverse energy is one of the main search channels for new physics at the LHC. A major limitation lies in our understanding of QCD backgrounds. Using jet merging we can describe the number of jets in typical background channels in terms of a staircase scaling, including theory uncertainties. The scaling parameter depends on the particles in the final state and on cuts applied. Measuring the staircase scaling will allow us to also predict the effective mass for Standard Model backgrounds. Based on both observables we propose an analysis strategy avoiding model specific cuts which returns information about the color charge and the mass scale of the underlying new physics.