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T: Fachverband Teilchenphysik

T 72: Hauptvorträge V

T 72.1: Hauptvortrag

Donnerstag, 28. März 2019, 09:00–09:45, H01

Next generation high energy e+e- colliders — •Jorg Wenninger — CERN, Geneva, Switzerland

Following the shutdown of the Large Electron Position collider (LEP) at CERN in 2000, design activities for high energy colliders were initially focused on linear colliders with a centre-of-mass energy reach of up to 3 TeV. Two projects, the International Linear Collider (ILC) and CLIC, proceeded with detailed conceptual and technical designs. Since a few years two high energy circular collider projects have emerged, the China Electron Position Collider (CEPC) and the e+e- collider variant of the Future Circular Collider (FCC-ee) at CERN. Both circular colliders have converged on circumferences around 100 km and top centre-of-mass energies ranging between 250 and 360 GeV to reach Higgs boson and top quark pair production thresholds. FCC-ee also focuses on high precision and high statistics measurements of the Z boson resonance. After an introduction to the different projects, this presentation will outline the status and challenges of the circular high energy colliders.