4.4 Article

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

Journal

JOURNAL OF HIGH ENERGY PHYSICS
Volume -, Issue 2, Pages -

Publisher

SPRINGER
DOI: 10.1007/JHEP02(2020)131

Keywords

Beyond Standard Model; Effective Field Theories; Heavy Quark Physics

Funding

  1. Deutsche Forschungsgemeinschaft (DFG, German Research Foundation) [396021762 -TRR 257]
  2. Carl Zeiss foundation
  3. state of Baden-Wurttemberg through bwHPC
  4. German Research Foundation (DFG) [INST 39/963-1 FUGG]
  5. Marie Sklodowska-Curie Individual Fellowship of the European Commission's Horizon 2020 Programme [704187]
  6. IHEP [Y7515540U1]
  7. F.R.S.-FNRS under the Excellence of Science - EOS - be.h project [30820817]
  8. Marie Curie Actions (MSCA) [704187] Funding Source: Marie Curie Actions (MSCA)

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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, including correlations between uncertainties.

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