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

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 qua...

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Main Authors: Brivio, Ilaria (Author) , Bruggisser, Sebastian (Author) , Maltoni, Fabio (Author) , Moutafis, Rhea (Author) , Plehn, Tilman (Author) , Vryonidou, Eleni (Author) , Westhoff, Susanne (Author) , Zhang, Cen (Author)
Format: Article (Journal)
Language:English
Published: February 24, 2020
In: Journal of high energy physics
Year: 2020, Issue: 2
ISSN:1029-8479
DOI:10.1007/JHEP02(2020)131
Online Access:Verlag, lizenzpflichtig, Volltext: https://doi.org/10.1007/JHEP02(2020)131
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Author Notes:Ilaria Brivio, Sebastian Bruggisser, Fabio Maltoni, Rhea Moutafis, Tilman Plehn, Eleni Vryonidou, Susanne Westhoff and Cen Zhang
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Summary: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.
Item Description:Gesehen am 16.04.2020
Physical Description:Online Resource
ISSN:1029-8479
DOI:10.1007/JHEP02(2020)131