利用事件拓扑模式提取Gluino端点
Extracting gluino endpoints with event topology patterns
摘要：
在本文中，我们研究了在LHC在一个现实的情况下，包括超对称性和组合背景的初态和末态辐射的影响，以及有限的探测器分辨率的胶子双喷流质量边缘测量。三个基准方案中，占主导地位的超对称性生产过程和衰变模式是不同的。提出了几个新的运动学变量，以尽量减少超对称性和组合背景的测量中的影响。通过选择特定数量的喷流和轻子的事件，我们试图测量两个不同的胶子双喷流质量的边缘起源于wino $\tilde g \to jj \tilde W$和bino $\tilde g \to jj \tilde B$衰变模式，分别。我们确定的端点分布的建议和现有的变量，并表明，这两个边缘可以解开和测量精度良好，无论存在的ISR，FSR，和检测器的影响。
英文摘要：
In this paper we study the gluino dijet mass edge measurement at the LHC in a realistic situation including both SUSY and combinatorical backgrounds together with effects of initial and final state radiation as well as a finite detector resolution. Three benchmark scenarios are examined in which the dominant SUSY production process and also the decay modes are different. Several new kinematical variables are proposed to minimize the impact of SUSY and combinatorial backgrounds in the measurement. By selecting events with a particular number of jets and leptons, we attempt to measure two distinct gluino dijet mass edges originating from wino $\tilde g \to jj \tilde W$ and bino $\tilde g \to jj \tilde B$ decay modes, separately. We determine the endpoints of distributions of proposed and existing variables and show that those two edges can be disentangled and measured within good accuracy, irrespective of the presence of ISR, FSR, and detector effects.
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