1–6 Jun 2025
Taipei International Convention Center (TICC)
Asia/Taipei timezone

Optimized physics performance evaluation of monochromatization interaction region optics for direct s-channel Higgs production at FCC-ee

MOPM040
2 Jun 2025, 16:00
2h
Exhibiton Hall A _Magpie (TWTC)

Exhibiton Hall A _Magpie

TWTC

Poster Presentation MC1.A02 Lepton Circular Colliders Monday Poster Session

Speaker

Angeles Faus-Golfe (Université Paris-Saclay, CNRS/IN2P3, IJCLab)

Description

The measurement of electron Yukawa coupling ($y_{e}$) via direct s-channel Higgs production at $\sim$125 GeV centre-of-mass (CM) energy is significantly facilitated at the FCC-ee, provided that the CM energy spread can be reduced to a level comparable to the natural width of the Higgs boson. This reduction is possible through the “monochromatization” concept, which involves generating opposite correlations between spatial position and energy deviation in the colliding beams. Following initial parametric studies for this collision mode, three different interaction region optics designs, each featuring nonzero horizontal, vertical, or combined dispersion at the interaction point, have been proposed based on the Version 2022 of the FCC-ee Global Hybrid Correction optics. In this paper, we benchmark the upper limits contours on $y_{e}$ with simulated CM energy spread and luminosity using Guinea-Pig, in order to assess, optimize, and compare their physics performances.

Region represented Europe
Paper preparation format LaTeX

Author

Zhandong Zhang (Synchrotron soleil)

Co-authors

Angeles Faus-Golfe (Université Paris-Saclay, CNRS/IN2P3, IJCLab) Anna Korsun (Université Paris-Saclay, CNRS/IN2P3, IJCLab) David d'Enterria (European Organization for Nuclear Research) Hongping Jiang (Lancaster University) Bowen Bai (Harbin Institute of Technology Shenzhen Graduate School) Manqi Ruan (Institute of High Energy Physics) Pantaleo Raimondi (Fermi National Accelerator Laboratory) Katsunobu Oide (University of Geneva, High Energy Accelerator Research Organization) Frank Zimmermann (European Organization for Nuclear Research)

Presentation materials

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