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arxiv: 1910.03606 · v1 · pith:LPCREB57 · submitted 2019-10-08 · hep-ph

O new physics, where art thou? A global search in the top sector

I. Brivio , S. Bruggisser , F. Maltoni , R. Moutafis , T. Plehn , E. Vryonidou , S. Westhoff , C. Zhang This is my paper

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classification hep-ph
keywords sectoranalysisglobaloperatorstermscoefficientcomparedcomprehensive
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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 and shows that theoretical uncertainties are a limiting factor.

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