重新评估最小化的$Z^{\prime}$方案
Reappraisal of the minimal flavoured $Z^{\prime}$ scenario
摘要：
最近的强度前沿的结果表明，轻子味普适性的破坏的诱人的可能性。鉴于此，我们重新考虑最小的唯象$Z'$模型，同时考虑矢量和轴矢量味违反耦合的带电轻子。我们进行了系统的研究，以确定最小的框架，可以同时解释最近的结果μ子和电子的异常磁矩，同时保持一致的$R_{K^{(*)}}$，$B^0_s-\bar{B^0_s}$混合和角观测值的$B^+\to K^{+*} μ^+μ^-$通道的LHCb合作报告。我们证明，中微子三叉戟数据意味着进一步的${\rm SU(2)}_L$违反的奇异$Z'$的轻子耦合。
英文摘要：
Recent results from the intensity frontier indicate the tantalizing possibility of violation in lepton flavour universality. In light of this we revisit the minimal phenomenological $Z'$ model taking in account both vectorial and axial-vectorial flavour violating couplings to the charged leptons. We make a systematic study to identify the minimal framework that can simultaneously explain the recent results on anomalous magnetic moment of muon and electron while remaining in consonance with $R_{K^{(*)}}$, $B^0_s-\bar{B^0_s}$ mixing and angular observables in the $B^+\to K^{+*} μ^+μ^-$ channel reported by the LHCb collaboration. We demonstrate that the neutrino trident data imply a further ${\rm SU(2)}_L$ violation in the leptonic couplings of the exotic $Z'$.
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