Journal
PHYSICS LETTERS B
Volume 763, Issue -, Pages 9-15Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.physletb.2016.10.021
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Funding
- Mainz Institute for Theoretical Physics (MITP)
- CERN TH Division
- UK Science and Technology Facilities Council (STFC) [ST/L000446/1]
- University of Glasgow College of Science Engineering
- European Union as part of the FP7 Marie Curie Initial Training Network MCnetITN [PITN-GA-2012-315877]
- STFC [ST/L000466/1] Funding Source: UKRI
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We investigate the prospects to systematically improve generic effective field theory-based searches for new physics in the top sector during LHC run 2 as well as the high luminosity phase. In particular, we assess the benefits of high momentum transfer final states on top EFT-fit as a function of systematic uncertainties in comparison with sensitivity expected from fully-resolved analyses focusing on t (t) over bar production. We find that constraints are typically driven by fully-resolved selections, while boosted top quarks can serve to break degeneracies in the global fit. This demystifies and clarifies the importance of high momentum transfer final states for global fits to new interactions in the top sector from direct measurements. (C) 2016 The Authors. Published by Elsevier B.V.
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