PoS - Proceedings of Science
Volume 314 - The European Physical Society Conference on High Energy Physics (EPS-HEP2017) - Top and Electroweak Physics (Parallel Session). Conveners: Jan Kretzschmar; Alexander Mitov; Luca Perrozzi. Scientific Secretary: Patrizia Azzi.
Electroweak Physics at Future $e^{+} e^{-}$ Colliders
E. Locci*  on behalf of the FCC Design Study Group
Full text: pdf
Pre-published on: January 16, 2018
Published on: March 20, 2018
Abstract
With the discovery of the Higgs boson at the LHC in 2012, all fundamental parameters of the Standard Model (SM) have been experimentally measured. Then the global fits of the electroweak sector provide a powerful test of the internal consistency of the SM. Any observable sensitive to electroweak corrections can be unambiguously predicted and any deviation of the measurements with respect to the predictions would reveal the existence of new, weakly interacting particles. Thus precision electroweak measurements are a key tool for constraining theories describing physics beyond the SM. Although hadron colliders (Tevatron, LHC) have matched or occasionally exceeded the precision of LEP measurements, e+e- colliders are unrivalled for electroweak precision measurements. The expected performance of the future e+e- colliders is discussed in the perspective of indirect discovery of new physics. These machines are nevertheless well-suited for direct discoveries as well.
DOI: https://doi.org/10.22323/1.314.0449
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