O new physics, where art thou? A global search in the top sector
(2020) Journal of High Energy Physics — Vol. 2002, p. 131 (2020)
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- 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 and shows that theoretical uncertainties are a limiting factor.
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Brivio, I., Bruggisser, S., Maltoni, F., Moutafis, R., Plehn, T., Vryonidou, E., Westhoff, S., & Zhang, C. (2020). O new physics, where art thou? A global search in the top sector. Journal of High Energy Physics, 2002, 131. https://doi.org/10.1007/JHEP02(2020)131 (Original work published 2020)