Speaker
Description
The electron-positron phase of the Future Circular Collider (FCC-ee) at CERN is proposed as a Higgs, electroweak, flavour, and top factory at the intensity frontier. In particular, about 2 million top quark pairs are expected to be produced at the 365 GeV operation, providing a clean dataset with unprecedented opportunities for top property measurements. This talk covers recent studies on two measurements, along with relevant technical developments and phenomenological discussions: one is a direct determination of the CKM matrix element |Vts| through the top quark to W and s quark decay, and the other is a thorough probe of potential BSM modifications to ttgamma and ttZ couplings via the angular distributions of top decay products.