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EFT observable stability under NLO corrections through interference revival
Physics Letters B ( IF 4.3 ) Pub Date : 2024-08-22 , DOI: 10.1016/j.physletb.2024.138970
Céline Degrande , Matteo Maltoni

We illustrate the importance of interference revival when higher order corrections are included, by presenting LO and NLO differential cross-sections and K-factors for three processes that are sensitive to the dimension-6 SMEFT operator OW: Z-plus-two-jets (Zjj) production through Vector Boson Fusion (VBF), leptonic diboson WZ and . We show how lifting the interference suppression at LO, through suitable variables and cuts, is necessary to get reliable predictions at NLO. We also show bounds on CW obtained from these observables.

中文翻译:


通过干扰恢复 NLO 校正下的 EFT 可观测稳定性



我们通过提供对 6 维 SMEFT 算子 OW 敏感的三个过程的 LO 和 NLO 微分横截面和 K 因子,说明了在包含高阶校正时干扰恢复的重要性:Z 加两个射流( Zjj) 通过矢量玻色子融合 (VBF)、轻子二玻色子 WZ 和 Wγ 产生。我们展示了如何通过适当的变量和削减来提升 LO 的干扰抑制,对于在 NLO 上获得可靠的预测是必要的。我们还显示了从这些可观测值获得的 CW 的界限。
更新日期:2024-08-22
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