2015/06/02 by M. Koratzinos, A. Blondel, Koratzinos, M. +7 · 1 citation
Physics and Astronomy · #Dark Matter and Cosmic Phenomena #Neutrino Physics Research #Particle physics theoretical and experimental studies #physics.acc-ph
paper · pdf · doi:10.48550/arxiv.1506.00933
Poster presented at IPAC'15, Richmond, VA, USA, May 2015. arXiv admin note: substantial text overlap with arXiv:1501.06856
arxiv created 2015/06/02 · arxiv updated 2015/06/03
The FCC-ee aims to improve on electroweak precision measurements, with goals of 100 keV on the Z mass and width, and a fraction of MeV on the W mass. Compared to LEP, this implies a much improved knowledge of the centre-of-mass energy when operating at the Z peak and WW threshold. This can be achieved by making systematic use of resonant depolarization. A number of issues have been identified, due in particular to the long polarization times. However the smaller emittance and energy spread of FCC-ee with respect to LEP should help achieve a much improved performance.