2019/12/31 by U. Amaldi, E. Aslanides, Amaldi, U. +109 · 1 citation
Computer Science · Physics and Astronomy · Social Sciences · #Accelerator Physics (physics.acc-ph) #Computational Physics and Python Applications #FOS: Physical sciences #High Energy Physics - Experiment (hep-ex) #High Energy Physics - Phenomenology (hep-ph) #International Science and Diplomacy #Particle physics theoretical and experimental studies #hep-ex #hep-ph #physics.acc-ph
paper · pdf · doi:10.48550/arxiv.1912.13466
Contribution to the update of the European Strategy for Particle Physics
arxiv created 2019/12/31 · openalex publication_date 2019/12/31 · arxiv updated 2020/01/01 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28
We review the capabilities of two projects that have been proposed as the next major European facility, for consideration in the upcoming update of the European Strategy for Particle Physics: CLIC and FCC. We focus on their physics potentials and emphasise the key differences between the linear or circular approaches. We stress the uniqueness of the FCC-ee programme for precision electroweak physics at the Z peak and the WW threshold, as well as its unequalled statistics for Higgs physics and high accuracy for observing possible new phenomena in Higgs and Z decays, whereas CLIC and FCC-ee offer similar capabilities near the t t threshold. Whilst CLIC offers the possibility of energy upgrades to 1500 and 3000 GeV, FCC-ee paves the way for FCC-hh. The latter offers unique capabilities for making direct or indirect discoveries in a new energy range, and has the highest sensitivity to the self-couplings of the Higgs boson and any anomalous couplings. We consider the FCC programme to be the best option to maintain Europe's place at the high-energy frontier during the coming decades.