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arXiv 1102.3189hep-phhep-ex
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在LHC上发现超对称电子的可能性

Discovery Potential of Selectron or Smuon as the Lightest Supersymmetric Particle at the LHC

H. K. Dreiner, S. Grab, T. Stefaniak

摘要:

我们研究了LHC发现R-宇称违反超对称模型的潜力与右手选择子或smuon作为最轻的超对称粒子(LSP)。这些LSP自然出现在违反最小超引力模型的R-宇称中。我们对强子对撞机的签名进行分类,并在这些模型中首次进行了详细的背景信号分析。我们开发了一个包容性的三轻子搜索,并给出了在质量中心的能量为7 TeV,以及14 TeV的发现前景。有广泛的参数区域,LHC已经可以测试与7 TeV和积分亮度的1个反飞秒。我们还提出了一种方法,在我们的模型在14 TeV的超对称粒子的质量重建。

英文摘要:

We investigate the LHC discovery potential of R-parity violating supersymmetric models with a right-handed selectron or smuon as the lightest supersymmetric particle (LSP). These LSPs arise naturally in R-parity violating minimal supergravity models. We classify the hadron collider signatures and perform for the first time within these models a detailed signal over background analysis. We develop an inclusive three-lepton search and give prospects for a discovery at a center-of-mass energy of 7 TeV as well as 14 TeV. There are extensive parameter regions which the LHC can already test with 7 TeV and an integrated luminosity of 1 inverse femtobarn. We also propose a method for the mass reconstruction of the supersymmetric particles within our models at 14 TeV.

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