Author: Jiang, H.P.
Paper Title Page
THYAS0202
 Optics Design for a Monochromatization Scheme for the Direct S-Channel Higgs Production at FCC-ee Collider  
 
  • H.P. Jiang
    HIT, Harbin, People’s Republic of China
  • A. Faus-Golfe
    IFIC, Valencia, Spain
  • A. Faus-Golfe, Z.D. Zhang
    Université Paris-Saclay, CNRS/IN2P3, IJCLab, Orsay, France
  • K. Oide, F. Zimmermann, F. Zimmermann, F. Zimmermann
    CERN, Meyrin, Switzerland
  • K. Oide
    KEK, Ibaraki, Japan
  • Z.D. Zhang
    IHEP, Beijing, People’s Republic of China
  • Z.D. Zhang
    UCAS, Beijing, People’s Republic of China
  • F. Zimmermann
    APS, Silver Spring, USA
  
  The FCC-ee collider baseline foresees four different energy operation modes: Z, WW, H(ZH) and ttbar. An optional fifth mode, called s-channel Higgs production mode, could allow the measurement of the electron Yukawa coupling, in dedicated runs at 125 GeV centre-of-mass energy, provided that the centre-of-mass energy spread, can be reduced by at least an order of magnitude (5-10 MeV). The use of a special collision technique known as monochromatization scheme (mono-scheme) is one way to accomplish it. The transverse monochromatization scheme consists of introducing a dispersion function different from zero but of opposite sign for the two colliding beams at the Interaction Point (IP); In this paper, we will report about the trade-off between energy spread and luminosity, and the first attempt to design a new optics to implement a transverse monochromatic scheme for the FCC-ee Higgs production.  
slides icon Slides THYAS0202 [2.133 MB]  
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