TL;DR
This paper assesses the FCC-ee collider's potential to precisely measure top-quark electroweak couplings through an optimal-observable analysis of decay distributions, enhancing understanding of top-quark interactions.
Contribution
It introduces an optimal-observable method to analyze top-quark decay data for improved sensitivity to electroweak couplings at FCC-ee.
Findings
Predicted high sensitivity to top-quark couplings
Quantitative estimates of measurement precision
Method applicable to future collider data
Abstract
An optimal-observable analysis of the lepton angular and energy distributions from top-quark pair production with semi-leptonic decays in e+e- collisions is used to predict the potential sensitivity of the FCC-ee to the couplings of the top quark to the photon and the Z.
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