论文标题
正确的手性：单个标量leptoquark解决方案$（g-2）_ {e，μ} $拼图
Getting chirality right: single scalar leptoquark solutions to the $(g-2)_{e,μ}$ puzzle
论文作者
论文摘要
我们确定了能够生成对Leptonic磁矩的签名贡献的两个标量leptoquarks，$ r_2 \ sim（\ Mathbf {3}，\ Mathbf {2}，7/6）$和$ s_1 \ sim（\ Mathbf {3}，\ Mathbf resut by Mater fired by firter currector churser（\ Mathbf {3}，\ mathbf {1} $ 3）我们考虑了将电子和灵恩扇区解耦的情况，并使用上类型的夸克质量 - 基数基础指定了实价Yukawa耦合。 $ΔA_E$的贡献是由含有符合符的回路和$ΔA_μ$从顶级环路中产生的 - 因此避免了危险的LFV约束，尤其是从$μ\到Eγ$。这些模型的最强限制是源自对Z LHC的Z Leptonic衰变宽度，高$ P_T $ LHC的尾巴以及（半Leptonic Kaon衰变）的贡献。要成为$（g-2）_ {e/μ} $拼图的综合解决方案，我们发现任一leptoquark的质量必须为$ \ sillesim 65 $ tev。该分析可以嵌入更广泛的风味异常研究中，包括层次链球耦合结构的分析。它也可以直接适应以适应Leptonic磁性时刻的未来测量，例如在不久的将来的Muon $ G-2 $协作中所期望的那些。
We identify the two scalar leptoquarks capable of generating sign-dependent contributions to leptonic magnetic moments, $R_2\sim (\mathbf{3}, \mathbf{2}, 7/6)$ and $S_1\sim (\mathbf{3}, \mathbf{1}, -1/3)$, as favoured by current measurements. We consider the case in which the electron and muon sectors are decoupled, and real-valued Yukawa couplings are specified using an up-type quark mass-diagonal basis. Contributions to $Δa_e$ arise from charm-containing loops and $Δa_μ$ from top-containing loops -- hence avoiding dangerous LFV constraints, particularly from $μ\to e γ$. The strongest constraints on these models arise from contributions to the Z leptonic decay widths, high-$p_T$ leptonic tails at the LHC, and from (semi)leptonic kaon decays. To be a comprehensive solution to the $(g-2)_{e/μ}$ puzzle we find that the mass of either leptoquark must be $\lesssim 65$ TeV. This analysis can be embedded within broader flavour anomaly studies, including those of hierarchical leptoquark coupling structures. It can also be straightforwardly adapted to accommodate future measurements of leptonic magnetic moments, such as those expected from the Muon $g-2$ collaboration in the near future.
