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SUMMARY:Higgs Physics at the FCC-ee
DTSTART;VALUE=DATE-TIME:20140705T141500Z
DTEND;VALUE=DATE-TIME:20140705T143000Z
DTSTAMP;VALUE=DATE-TIME:20260819T233301Z
UID:indico-contribution-1494@indico.ific.uv.es
DESCRIPTION:Speakers: Manqi RUAN (IHEP and CERN)\nNow that the masses of t
 he Higgs and Top quark are known\, circular electron positron colliders\, 
 able to measure the properties of these particles with high accuracy\, are
  receiving considerable attention. As part of the Future Circular Collider
  study at CERN\, the Future e+e- Circular Collider\, FCC-ee\, (formerly ca
 lled TLEP) is a new generation collider\, fitting in a 80 to 100km tunnel\
 , and able to deliver high luminosity in up to four interaction points fro
 m at least the Z peak to above the top pair threshold.   \nAt the ZH produ
 ction optimum\, around 240 GeV\, the luminosity of  6 1034 /cm2/s  in four
  IPs yields more than 2 Million Higgs decays in 5 years through the e+e- 
  ZH process. This sample opens the possibility of sub-per-cent precisio
 n measurement of the Higgs boson couplings to light fermions and to gauge-
 bosons\, and of the Higgs boson width. These precision measurements are se
 nsitive to multi-TeV new physics interacting with the scalar sector. The Z
 H production mechanism also gives access to the invisible or exotic branch
 ing ratios down to the per mil level\, and with a more limited precision t
 o the triple Higgs coupling. The luminosity expected at the top pair produ
 ction threshold (√s ~ 340-350 GeV) further improves some of these figure
 s by a factor of two\, and is sensitive to the Higgs boson coupling to the
  top quark.\n\nhttps://indico.ific.uv.es/event/2025/contributions/1494/
LOCATION: Auditorium 1
URL:https://indico.ific.uv.es/event/2025/contributions/1494/
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