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Limits on R-parity-violating couplings from Drell-Yan processes at the LHC

机译:大型强子对撞机Drell-Yan过程中违反R奇偶校验的耦合的限制

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We find constraints on R -parity violating (RPV) couplings of the minimal supersymmetric Standard Model, using Drell-Yan differential cross sections at the LHC. Specifically, we look at the constraints on λ ′ L Q D c couplings from monolepton and dilepton data published by ATLAS, with either electrons or muons in the final state. Out of the 18 RPV couplings to which the LHC is at least potentially sensitive by this technique, we find new limits on 12 (or 13) of them, for squarks masses above 1 (or 2)?TeV. We also show that one can employ our techniques to achieve significantly stronger bounds at a high-luminosity upgrade of the LHC.
机译:我们在LHC上使用Drell-Yan微分横截面,发现了最小超对称标准模型的R-奇偶违反(RPV)耦合的约束。具体而言,我们从电子或介子处于最终状态的情况下,根据ATLAS发布的单分子和双分子数据研究λ'L Q D c耦合的约束。 LHC对这种技术至少具有潜在敏感性的18个RPV联轴器中,我们发现,对于质量超过1(或2)?TeV的夸克,有12(或13)个新的限制。我们还表明,可以使用我们的技术在LHC的高发光度升级时获得明显更强的边界。

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