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arXiv 1510.02486hep-phhep-ex
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精确测量对LFV算子和LHC的敏感性研究

A Case Study of the Sensitivity to LFV Operators with Precision Measurements and the LHC

Yi Cai, Michael A. Schmidt

摘要:

我们比较的灵敏度的精确测量的轻子味观测到的LHC在一个案例研究的轻子味违反运营商的六维两个轻子和两个夸克的范围。对于轻夸克,精确的测量总是产生更严格的约束。大型强子对撞机补充了对重夸克算子的精确测量。利用LHC运行1的数据,对于具有右手$τ$轻子的操作者,已经可以在截止尺度$Λ$ > 600 - 800 GeV上设置竞争限制。

英文摘要:

We compare the sensitivity of precision measurements of lepton flavour observables to the reach of the LHC in a case study of lepton-flavour violating operators of dimension six with two leptons and two quarks. For light quarks precision measurements always yield the more stringent constraints. The LHC complements precision measurements for operators with heavier quarks. Competitive limits can already be set on the cutoff scale $Λ$ > 600 - 800 GeV for operators with right-handed $τ$ leptons using the LHC run 1 data.

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