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    The 2026 International Workshop on the High Energy Circular Electron Positron Collider

    21–26 Oct 2026
    Sheraton Shanghai Jiading Hotel
    Asia/Shanghai timezone

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    Session

    Higgs Physics

    22 Oct 2026, 14:00
    Junior Ballroom I

    Junior Ballroom I

    Conveners

    Higgs Physics: 1

    • Mingshui CHEN (IHEP)

    Higgs Physics: 2

    • Enkhbat Tsedenbaljir (Institute of Physics and Technology, Mongolian Academy of Sciences)

    Higgs Physics: 3

    • Shuo Han (IHEP (高能所))

    Description

    Zoom Link, ID:99229612134, Code: 887914

    Presentation materials

    There are no materials yet.

    1. 192. Parton spin correlations and CP properties in Higgs boson decay at future lepton colliders
      Ying-Ying Li (IHEP)
      22/10/2026, 14:00
      02: Higgs Physics
      Oral Presentation

      N/A

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    2. 98. Towards Detector-Level Probes of Gluon Spin Correlations in Higgs Decays with the CEPC AGORA Detector
      Shahd Younes
      22/10/2026, 14:25
      02: Higgs Physics
      Oral Presentation

      Partonic spin correlations in Higgs boson decays provide a novel opportunity to probe the CP structure of the Higgs--gluon coupling at future lepton colliders. Translating this physics potential into a realistic measurement requires the identification of different gluon splitting modes, whose contributions can otherwise largely cancel in inclusive observables. In this work, we take a step...

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    3. 3. CPV mixing angle measurement in Higgs to ττ decays at 240 GeV CEPC
      Ivanka Bozovic (Vinca Institute of Nuclear Sciences)
      22/10/2026, 14:45
      02: Higgs Physics
      Oral Presentation

      If the SM-like Higgs boson is realized as a mixture of scalar and pseudoscalar states, the CP violating mixing angle can be measured through various Higgs boson production and decay channels. Here we consider Higgs to tau-pair decays, at 240 GeV CEPC with 5.6 ab-1 of simulated data. Preliminary projections of the absolute uncertainty of the mixing angle are given, for the Higgs boson...

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    4. 215. Energy-Correlator-Inspired Tau Polarimetry for Higgs CP and Precision Weak Mixing Angle Measurements at Lepton Colliders
      Anjan Kumar Barik (TDLI)
      22/10/2026, 15:10
      02: Higgs Physics
      Oral Presentation

      The azimuthal angle difference between the decay planes of the two tau leptons in h to tau+ tau- probes charge-parity (CP) violation in the Higgs-tau Yukawa coupling. In the dominant hadronic channel tau+- to rho+- nu, the spin-analyzing power is suppressed by the mixture of longitudinal and transverse rho polarizations. We propose an energy-correlator (E4C) inspired method that weights each...

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    5. 119. Deep-learning boosted hadronic Higgs precise measurements at future e+e− Higgs factories
      Chunxiang Zhu (Shanghai Jiao Tong University)
      22/10/2026, 16:00
      02: Higgs Physics
      Oral Presentation

      Precise measurements of Higgs decays into quarks and gluons are essential for probing the Yukawa couplings of the Higgs boson and testing the flavor structure of the Standard Model. We investigate the process e+e− → ZH at √s = 240 GeV at a future e+e− Higgs factory, taking the CEPC design as a benchmark. The analysis focuses on events with Z → νν¯/mu+mu- and hadronic Higgs decays H → b¯b, cc¯,...

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    6. 49. Towards precision frontier: development of reconstruction and analysis tools for the CEPC experiment
      Dr Marina Chadeeva (LPI, Moscow)
      22/10/2026, 16:25
      02: Higgs Physics
      Oral Presentation

      The CEPC experiment is aimed at high precision measurements, which opens a possibility to find deviations from the Standard Model predictions and indications of new physics. The proposed CEPC detectors incorporate many technological achievements accompanied by advanced reconstruction tools. In this talk, further enhancements of Higgs boson studies with recoil mass technique are described. The...

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    7. 168. Precision Study of Type-II 2HDM at the lepton colliders
      菊香 李 (Sun Yat-Sen (Zhongshan) University)
      22/10/2026, 16:50
      02: Higgs Physics
      Oral Presentation

      We combine the latest experimental data to investigate the potential of future precision measurements at the CEPC to probe new physics beyond the Standard Model, focusing on the Type-II two Higgs doublet model (Type-II 2HDM). The contributions from the heavy Higgs bosons at both the tree level and the one-loop level are included over the full parameter space. We perform a multiple variable...

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    8. 190. Probing strong first-order electroweak phase transition scenarios in two-Higgs-doublet model with FCC-ee/CEPC
      Anisha Anisha
      22/10/2026, 17:15
      02: Higgs Physics
      Oral Presentation

      N/A

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    9. 191. Discovery Prospects for the 95 GeV Higgs Candidate at CEPC
      Bruce Mellado (IHEP)
      23/10/2026, 09:00
      02: Higgs Physics
      Oral Presentation

      N/A

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    10. 30. Probing the Electron Yukawa Coupling through Polarized e⁺e⁻ → H → gg Production at the CEPC
      siya feng (中科院高能物理研究所)
      23/10/2026, 09:25
      02: Higgs Physics
      Oral Presentation

      The electron Yukawa coupling has not yet been directly tested at the strength predicted by the Standard Model. An electron–positron collider operating at the Higgs pole can probe this coupling through resonant s-channel Higgs production, although the tiny signal rate and large continuum backgrounds make the measurement exceptionally challenging.
      We investigate e⁺e⁻ → H → gg in a conditional...

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    11. 194. Higher-order calculations for Higgs physics at future e+e- colliders
      Jian Wang (Shandong University)
      23/10/2026, 09:50
      02: Higgs Physics
      Oral Presentation

      N/A

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    12. 197. Heavy Jet Mass in Hadronic Higgs Decays
      Xiaoyuan Zhang, Xiaoyuan Zhang (Harvard University)
      23/10/2026, 10:15
      02: Higgs Physics
      Oral Presentation

      N/A

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    13. 193. （待定）Toward a Measurement of the Higgs Boson Mass with Natural-Width Precision at future e+e- colliders
      Jan Eysermans
      23/10/2026, 10:40
      02: Higgs Physics
      Oral Presentation

      N/A

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    14. 166. Optimisation of the vertex detector and measurement of Higgs decays to second-generation quarks at the CEPC
      家琳 李 (上海交通大学)
      06: Physics Beyond the SM
      Oral Presentation

      Vertex detectors are essential for high-precision Higgs measurements at electron-positron Higgs factories. Focusing on H→ccˉ and H→ssˉ decays in the ννˉH channel, we optimize the vertex detector’s inner radius and spatial resolution via the AI-based Jet Origin Identification (JOI) flavour-tagging framework.
      Shrinking the inner radius and boosting spatial resolution improve impact parameter...

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