The physics program accessible in e+e− collisions at the Future Circular
Collider (FCC-ee) is summarized. The FCC-ee aims at collecting multi-ab−1
integrated luminosities in e+e− at s​ = 90, 160, 240, and 350 GeV,
yielding 1012 Z bosons, 108 W+W− pairs, 106 Higgs bosons
and 4â‹…105 top-quark pairs per year. Such huge data samples combined
with a O(100keV) c.m. energy uncertainty will allow for Standard
Model measurements with unparalleled precision and searches for new physics in
regions not probed so far. The FCC-ee will be able to (i) indirectly discover
new particles coupling to the Higgs and electroweak bosons up to scales
Λ≈ 7 and 100 TeV; (ii) perform competitive SUSY tests at the
loop level in regions beyond the LHC reach; and (iii) achieve the best
potential in direct collider searches for dark matter and sterile neutrinos
with masses below 60 GeV.Comment: 8 pages, 8 figures. Proceedings 17th Lomonosov conference on
Elementary Particle Physics, Moscow, Aug. 2015. World Scientific, to appear.
arXiv admin note: text overlap with arXiv:1601.06640