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| Paper IPM / P / 16296 |
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| Abstract: | |||||||
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In this paper, we examine the interactions of the top quarks with the Z boson using the
top quark pair production associated with neutrino pair (t―tνl―νl) at the LHC.
In particular, potential constraints on the anomalous
electroweak top quark interactions are determined by considering two opposite-sign charged leptons,
missing energy, and two b-tagged jets in the final state. The analysis is performed
for a High Luminosity scenario of the LHC with an integrated luminosity of 3 ab−1 of proton-proton collisions
at a center-of-mass energy of 14 TeV.
The 95% confidence intervals are computed on
the anomalous couplings
considering a realistic detector simulation of an upgraded CMS detector including an average
of 200 proton-proton interactions per bunch crossing. We find that the t―tνl―νl channel can provide stringent bounds
on the relevant Wilson coefficients
and has the potential to serve as an additional handle beside the t―tZ(Z→ l+l−) and other channels to search for new physics.
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