Speaker
Description
The extensive and ambitious physics program planned for the Future Circular Collider for electrons and positrons (FCC-ee) demands exceptional detector performance. This talk systematically investigates how different detector configurations impact jet flavor identification and their effects on high-profile physics analyses. Using Higgs boson coupling measurements and searches for invisible Higgs decays as benchmarks, we evaluate the sensitivity of these analyses to variations in tracker and calorimeter detector properties. We examine modifications to single-point resolution, material budget, silicon layer placement, and particle identification capabilities, quantifying their effects on flavor-tagging performance. Additionally, we present the first comprehensive study of Higgs-to-invisible decay detection using full detector simulation, providing crucial insights for optimizing future detector designs at lepton colliders.