Abstract
We provide a comprehensive global analysis of Run II top measurements at the LHC in terms of dimension-6 operators. A distinctive feature of the top sector as compared to the Higgs-electroweak sector is the large number of four-quark operators. We discuss in detail how they can be tested and how quadratic terms lead to a stable limit on each individual Wilson coefficient. Predictions for all observables are computed at NLO in QCD. Our SFitter analysis framework features a detailed error treatment, including correlations between uncertainties.
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Brivio, I., Bruggisser, S., Maltoni, F. et al. O new physics, where art thou? A global search in the top sector. J. High Energ. Phys. 2020, 131 (2020). https://doi.org/10.1007/JHEP02(2020)131
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DOI: https://doi.org/10.1007/JHEP02(2020)131