Journal
JOURNAL OF HIGH ENERGY PHYSICS
Volume -, Issue 6, Pages -Publisher
SPRINGER
DOI: 10.1007/JHEP06(2018)079
Keywords
Beyond Standard Model; Higgs Physics
Categories
Funding
- U.S. National Science Foundation [PHY-1519175]
- U.S. Department of Energy [DE-SC0017965, DE-SC0017988]
- U.S. Department of Energy (DOE) [DE-SC0017965, DE-SC0017988] Funding Source: U.S. Department of Energy (DOE)
- Direct For Mathematical & Physical Scien
- Division Of Physics [1519175] Funding Source: National Science Foundation
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Constraining the Higgs boson properties is a cornerstone of the LHC program. We study the potential to directly probe the Higgs-top CP-structure via the t (t) over barh channel at the LHC with the Higgs boson decaying to a bottom pair and top-quarks in the dileptonic mode. We show that a combination of laboratory and t (t) over bar rest frame observables display large CP-sensitivity, exploring the spin correlations in the top decays. To efficiently reconstruct our final state, we present a method based on simple mass minimization and prove its robustness to shower, hadronization and detector effects. In addition, the mass reconstruction works as an extra relevant handle for background suppression. Based on our results, we demonstrate that the Higgs-top CP-phase (alpha) can be probed up to cos alpha < 0.7 at the high luminosity LHC.
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