小- $μ$超对称中μ子的微小（g-2）摆动
The Tiny (g-2) Muon Wobble from Small-$μ$ Supersymmetry
摘要：
费米实验室Muon g-2合作组报告了一个新的μ子反常磁矩测量结果，它显示出$4.2σ$偏离了标准模型中对这个量最精确和可靠的计算。假设这种差异是由于新的物理学，我们集中在一个简单的超对称模型，也提供了一个暗物质解释在以前未探索的区域的超对称参数空间。这样有趣的区域可以实现一个比诺类暗物质候选人兼容的所有当前的直接检测的希格斯诺质量参数$|μ|$的小到中等的值的限制。这反过来又意味着在高亮度LHC和未来的对撞机的范围内存在着轻的附加希格斯玻色子玻色子和希格斯诺粒子。我们提供的基准方案，将在下一代的直接暗物质实验和大型强子对撞机进行测试。
英文摘要：
A new measurement of the muon anomalous magnetic moment has been reported by the Fermilab Muon g-2 collaboration and shows a $4.2σ$ departure from the most precise and reliable calculation of this quantity in the Standard Model. Assuming that this discrepancy is due to new physics, we concentrate on a simple supersymmetric model that also provides a dark matter explanation in a previously unexplored region of supersymmetric parameter space. Such interesting region can realize a Bino-like dark matter candidate compatible with all current direct detection constraints for small to moderate values of the Higgsino mass parameter $|μ|$. This in turn would imply the existence of light additional Higgs bosons and Higgsino particles within reach of the high-luminosity LHC and future colliders. We provide benchmark scenarios that will be tested in the next generation of direct dark matter experiments and at the LHC.
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