论文标题
来自LHC数据的中微子非标准相互作用的限制，横向动量很大
Constraints on neutrino non-standard interactions from LHC data with large missing transverse momentum
论文作者
论文摘要
中微子与物质的可能的非标准相互作用（NSI）在中微子特性的全球确定中起重要作用。在我们的研究中，我们从LHC测量值中选择了13 TEV的各种数据集，其集成的亮度为$ 35 \ sim 139 $ fb $^{ - 1} $，包括生产单个喷气机，光子，$ W/z $ boson或带电的Lepton，伴随着大的横向横向动力。我们在有效运算符或简化的$ z'$模型的框架中，对中性NSI的限制进行了限制。我们使用QCD中NSI诱导的生产的理论预测与Parton淋浴相匹配，从而稳定理论预测并产生更强大的约束。在简化的$ z'$型号中，我们在常规NSI强度$ε$ 0.042和0.0028的$ Z'$质量分别为0.2和2 TEV的情况下获得了95％的CLS上限。我们还讨论了LHC未来运行较高的亮度的可能改进。
The possible non-standard interactions (NSIs) of neutrinos with matter plays important role in the global determination of neutrino properties. In our study we select various data sets from LHC measurements at 13 TeV with integrated luminosities of $35 \sim 139$ fb$^{-1}$, including production of a single jet, photon, $W/Z$ boson, or charged lepton accompanied with large missing transverse momentum. We derive constraints on neutral-current NSIs with quarks imposed by different data sets in a framework of either effective operators or simplified $Z'$ models. We use theoretical predictions of productions induced by NSIs at next-to-leading order in QCD matched with parton showering which stabilize the theory predictions and result in more robust constraints. In a simplified $Z'$ model we obtain a 95% CLs upper limit on the conventional NSI strength $ε$ of 0.042 and 0.0028 for a $Z'$ mass of 0.2 and 2 TeV respectively. We also discuss possible improvements from future runs of LHC with higher luminosities.
