论文标题
通过Drell-Yan横向动量测量在Dimension-8处探索SMEFT
Exploring the SMEFT at dimension-8 with Drell-Yan transverse momentum measurements
论文作者
论文摘要
我们证明，在不变质量中归纳的中性电流横向动量分布的测量对标准模型有效场理论（SMEFT）的未探索尺寸-8参数敏感。这些分布对具有额外的QCD场强度张量的四个弗米尔操作员敏感。这些操作员的Wilson系数的确定提供了有用的诊断工具，可区分SMEFT的紫外线完成。我们研究这些效果如何通过当前的LHC数据探测，并探讨未来高劳度LHC（HL-LHC）对这些操作员的敏感性。我们发现，HL-LHC数据有可能强烈探测SMEFT的这一部门。
We demonstrate that measurements of the neutral-current Drell-Yan transverse momentum distribution binned in invariant mass are sensitive to unexplored dimension-8 parameters of the Standard Model Effective Field Theory (SMEFT). These distributions are sensitive to four-fermion operators with additional QCD field strength tensors. The determination of the Wilson coefficients of these operators provides a useful diagnostic tool that distinguishes possible ultraviolet completions of the SMEFT. We study how well these effects can be probed by current LHC data, and explore the sensitivity of the future high-luminosity LHC (HL-LHC) to these operators. We find that the HL-LHC data has the potential to strongly probe this sector of the SMEFT.
