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IAS Program on High Energy Physics (HEP 2023)

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Lo Ka Chung Building, Lee Shau Kee Campus, The Hong Kong University of Science and Technology, Hong Kong
IAS Program on HKUST IAS
Description


Mini-workshops in Theory & Experiment and Detector: February 12-13, 2023    
Conference: February 14-16, 2023


Mini-workshops:

Experiment / Detector — Enhance the Discovery Power for Future e-e+ Higgs Factory

The electron positron Higgs factory is widely regarded as the highest priority facility for future collider-based exploration of particle physics. Several electron positron Higgs factories have been proposed, with intensive efforts on quantifying its discovery power, innovative facility design, and critical technology R&D. These electron positron Higgs factories can produce large statistic of Higgs bosons, Z and W bosons, and top quarks. Therefore, they can perform not only precise measurement of the Higgs boson, but also intensive exploration via precise measurements of EW, QCD, Flavor physics, and direct searches for New Physics signals. Meanwhile, the community is proposing new observables and strategies for detecting Beyond Standard Model signals. These physics measurements, once combined, could significantly enhance the discovery power of the future electron positron Higgs factories. 

The rich physics program and huge statistic of clean data of future electron positron Higgs factories make stringent physics requirement to its detector system. It’s highly non-trivial to design an adequate detector system to the future electron positron Higgs factory, and to optimize – or balance its performance under different constrains. In this context, innovative detector design and advanced detector technologies are critical to enhance the discovery power of future electron positron Higgs factories, since they could significantly improve the separation between signal and background, and the precision to measure critical observables such as the energy and momentum of final state particles. 

This mini-workshop aims to exchange new ideas of physics and detector studies, discuss the recent progress and plan future activities towards more efficient physics studies and detector R&Ds for future electron positron Higgs factories.
 


Theory — High-Energy Physics at Low-Energy Scale Collisions

Physics at high-energy scales could be manifested as rare processes and tiny effects at low-energy scales. The representative physical cases include, e.g., rare decays of hadrons, charged lepton flavor violation, axion-like particles, light dark matter, neutrino physics, long-lived particles, etc. Their measurements thus may provide a deep insight into the underlying physics to resolve fundamental problems in particle physics and cosmology. Motivated by this consideration, various ultra-sensitive experiments in high-intensity environment have been conducted or proposed so far, including the planned runs of future lepton colliders at low-energy scale. To take full advantages of these opportunities, however, efforts must be taken to develop finer instrumentation, more advanced data-analysis strategies, and more diverse observable designs. These efforts will form a complementarity to the direct searches of fundamental physics in high-energy scale particle collisions. In this mini-workshop, we would bring together the colleagues working on these areas to report recent research progress, exchange new ideas, stimulate relevant discussions and create potential collaborations.

 

Conference:

After the discovery of the Higgs boson, the main objectives of high-energy physics are the precise measurement of Higgs properties and searches for new physics. These objectives strongly motivate the construction of next-generation experimental facilities such as e+e- Higgs factory and 100TeV pp collider or muon collider.

The Higgs boson plays a crucial role in explaining spontaneous electroweak symmetry breaking and the mass generation of the known fundamental particles. It is thus important to measure precisely the Higgs-gauge couplings, the Higgs-Yukawa couplings and the Higgs self-couplings. A future Higgs factory would achieve such a goal significantly better than the LHC. Such precise measurements also provide an indirect probe for new physics that alters the Higgs properties.

Addressing fundamental puzzles in nature such as hierarchy problem, dark matter, etc. results in expectation that new physics should emerge at the TeV scale or above. A higher energy machine like new pp collider or muon collider will be crucial for directly exploring new physics and the properties of any to-be-discovered particles at the LHC.

This High Energy Physics (HEP) program in Hong Kong started in 2015. The objective of this program is to bring theorists, experimentalists and accelerator physicists together, to stimulate discussions and exchange thoughts on the future collider programs. After being held virtually in 2020 and 2021 due to the COVID-19 pandemic, this program is on the way back to normal. In 2023, we will take a hybrid mode. However, we strongly encourage people to attend this program in person. About the talk arrangement, we will give a priority to in-person participants. As part of this HEP program, a three-day conference will be held during February 14 - 16, 2023. Before that, two two-day mini-workshops focusing on theory and experiment/detector respectively, will be organized on February 12-13. It is also hoped that some white papers for the particle physics community documenting the physics goals, options of future colliders, and the reach of the related experiments could be released. 


Joint Organizers

  • Center for Future High Energy Physics, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing    
     
  • Joint Consortium of Fundamental Physics, Hong Kong

 


Group Photo

Organizers and conference / workshop participants gather for a group photo.


Previous HEP Programs

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Program Secretariat:
Participants
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  • Sun, February 12
    • 8:55 AM → 10:40 AM
      Mini-workshop: Experiment/Detector: Day 1 - Session S: (ED1)
      Convener: Zhijun LIANG (IHEP)
    • 8:55 AM → 10:40 AM
      Mini-workshop: Theory: Day 1 - Session S (TH1)
      Convener: Liming ZHANG (Tsinghua University)
      • 9:00 AM
        Low Energy FCNC Searches for Light Scalars and Pseudoscalars [Zoom] 25m
        Speaker: Jure ZUPAN (University of Cincinnati)
      • 9:25 AM
        Lepton-flavour-violating Z and Quarkonium Decays 25m
        Speaker: Lorenzo CALIBBI (Nankai University)
        calibbi-HKUST.pdf
      • 9:50 AM
        Recent Progress on CP Violation 25m
        Speaker: Qin QIN (Huazhong University of Science and Technology)
        CPV_Qin.pdf
      • 10:15 AM
        Status of CEPC Flavor Physics Study 25m
        Speaker: Tsz Hong KWOK (HKUST)
        CEPCFlavour_KwokTszHong.pdf
    • 10:40 AM → 11:00 AM
      Coffee Break 20m
    • 11:00 AM → 12:40 PM
      Mini-workshop: Experiment/Detector: Day 1 - Session S: (ED2)
      Convener: Lorenzo CALIBBI (Nankai University)
      • 11:00 AM
        New Results on Lepton Flavour Universality Tests [Zoom] 25m
        Speaker: Shanzhen CHEN (IHEP)
        IAS2023.pdf
      • 11:25 AM
        Observation of New Structures in the J/ψJ/ψ Mass Spectrum at CMS 25m
        Speaker: Zhen HU (Tsinghua University)
        20230212-HongKong.pdf
      • 11:50 AM
        J/ψJ/ψ Mass Spectrum at LHC & CEPC 25m
        Speaker: Kai YI (Nanjing Normal University)
        HEP2023_KaiYi_VVatCEPCaandLHCv2.pdf
      • 12:15 PM
        Highlights from LHCb Experiment? 25m
        Speaker: Liming ZHANG (Tsinghua University)
        HighlightsLHCb-liming.pdf
    • 11:00 AM → 12:40 PM
      Mini-workshop: Theory: Day 1 - Session S (TH2)
      Convener: Yu GAO (IHEP)
      • 11:00 AM
        Photon-jet Events as a Probe of Axion-like Particles at the LHC 25m
        Speaker: Mengchao ZHANG (Jinan University)
        IAS_HEP_MengchaoZhang.pdf
      • 11:25 AM
        Models for the Muon EDM 25m
        Speaker: Yuichiro NAKAI (Shanghai Jiaotong University)
        MuonEDM.pdf
      • 11:50 AM
        Time-varying Resonant Mass at Collider and Beam Dump Experiments 25m
        Speaker: Xiao-ping WANG (Beihang University)
        2022-02-IAS-xpW.pdf
      • 12:15 PM
        Z' and Leptoquark Searches at the P2 Experiment 25m
        Speaker: Yong Chao ZHANG (Southeast University)
        P2_HKUST.pdf
    • 12:40 PM → 2:00 PM
      Lunch Break (Self-arranged) 1h 20m
    • 2:00 PM → 3:40 PM
      Mini-workshop: Experiment/Detector: Day 1 - Session S (ED3)
      Convener: Huaqiao ZHANG (IHEP)
    • 2:00 PM → 3:40 PM
      Mini-workshop: Theory: Day 1 - Session S: (TH3)
      Convener: Hao ZHANG (IHEP)
      • 2:00 PM
        Weak Mixing Angle Determination and BSM Searches: Theoretical Issues [Zoom] 25m
        Speaker: Alessandro VICINI (The University of Milan)
        Vicini-sin2theta-theory.pdf
      • 2:25 PM
        Searching for the New Physics with Jet Charge [Zoom] 25m
        Speaker: Bin YAN (IHEP)
        jet_charge_BY.pdf
      • 2:50 PM
        SMEFT at Future Lepton Colliders with Machine Learning 25m
        Speaker: Jiayin GU (Fudan University)
        ees16.pdf
      • 3:15 PM
        Tau Polarization Measurement at FCC-ee [Zoom] 25m
        Speaker: Jean-Claude BRIENT (École polytechnique)
    • 3:40 PM → 4:00 PM
      Coffee Break 20m
    • 4:00 PM → 5:40 PM
      Mini-workshop: Combined Session: Day 1 - Session S (ED4/TH4)
      Convener: Jiayin GU (IHEP)
  • Mon, February 13
    • 9:00 AM → 10:40 AM
      Mini-workshop: Combined Session: Day 2 - Session M (ED1/TH1)
      Convener: Jia Liu (Peking University)
      • 9:00 AM
        Atom Interferometer Experiments to Search for Ultralight Dark Matter and Gravitational Waves [Zoom] 20m
        Speaker: John ELLIS (CERN)
      • 9:20 AM
        FASER Experiment at HL-LHC 20m
        Speakers: Ke LI (University of Washington), Shin-Chieh HSU (University of Washington)
        FASER_IAS_2023.pdf
      • 9:40 AM
        New Physics Searches at EIC 20m
        Speaker: Keping XIE (University of Pittsburgh)
        EIC_Talks.pdf
      • 10:00 AM
        Study Neutrinos at Future Muon Collider 20m
        Speaker: Qiang Li (Peking University)
        HK_MUC2023-1.pdf
      • 10:20 AM
        Pheno Demands for Future Colliders 20m
        Speaker: Zhen LIU (University of Minnesota)
    • 10:40 AM → 11:00 AM
      Coffee Break 20m
    • 11:00 AM → 12:40 PM
      Mini-workshop: Experiment/Detector: Day 2 - Session M (ED2)
      Convener: Gang LI (IHEP)
    • 11:00 AM → 12:40 PM
      Mini-workshop: Theory: Day 2 - Session M (TH2)
      Convener: Xiaoping WANG (Beihang University)
      • 11:00 AM
        HNL Search at Future Electron and Muon Colliders 25m
        Speaker: Ariel ROCK (HKUST)
        HEP_2023_Rock.pdf
      • 11:25 AM
        ILC Beam Dump Experiment and New Physics Search 25m
        Speaker: Kento ASAI (The University of Tokyo)
        HEP2023_Asai.pdf
      • 11:50 AM
        Decay of the Mediator Particle at the Threshold [Zoom] 25m
        Speaker: Shigeki MATSUMOTO (The University of Tokyo)
        ShigekiM.pdf
      • 12:15 PM
        Long Lived Particles at FCC-ee [Zoom] 25m
        Speaker: Suchita KULKARNI (University of Graz)
        Kulkarni_HKUST_workshop.pdf
    • 12:40 PM → 2:00 PM
      Lunch Break (Self-arranged) 1h 20m
    • 2:00 PM → 3:40 PM
      Mini-workshop: Experiment/Detector: Day 2 - Session M (ED3)
      Convener: Mingyi DONG (IHEP)
    • 2:00 PM → 3:40 PM
      Mini-workshop: Theory: Day 2 - Session M (TH3)
      Convener: Qin QIN (Huazhong University of Science and Technology)
      • 2:00 PM
        Hidden-charm Exotics and Their Productions [Zoom] 25m
        Speaker: Feng-Kun GUO (Institute of Theoretical Physics)
      • 2:25 PM
        Measurement of Vus with Tau Decays to Test of First Row CKM Matrix Unitarity [Zoom] 25m
        Speaker: Alberto LUSIANI (Scuola Normale Superiore)
        alusiani-hong-kong-feb23.pdf
      • 2:50 PM
        Long-lived Scalar at FASER 25m
        Speaker: Wei SU (Sun Yat Sen University)
        HKUST_IAS_HEP_2013_WeiSu.pdf
      • 3:15 PM
        New Physics in Meson Mixing [Zoom] 25m
        Speaker: Luiz Vale SILVA (Universitat de Valencia)
        VALE_SILVA_v5_DF2.pdf
    • 3:40 PM → 4:00 PM
      Coffee Break 20m
    • 4:00 PM → 5:40 PM
      Mini-workshop: Experiment/Detector: Day 2 - Session M (ED4)
      Convener: Mingshui CHEN (IHEP)
      • 4:00 PM
        Status & Progress of the IDEA Detector Concept 25m
        Speaker: Roberto FERRARI (INFN Pavia)
        idea_RF_HK.2023.02.13.pdf
      • 4:25 PM
        EEC at High Energy Frontier 25m
        Speaker: Huaxing ZHU (Zhejiang University)
        IAS_hongkong_ZHU_EEC.pdf
      • 4:50 PM
        High Precision Calculation Towards Future ee Factory? [Zoom] 25m
        Speaker: Zhao LI (IHEP)
      • 5:15 PM
        Measurements of the Partons Inside the Proton [Zoom] 25m
        Speaker: Siqi YANG (University of Science and Technology of China)
    • 4:00 PM → 5:40 PM
      Mini-workshop: Theory: Day 2 - Session M (TH4)
      Convener: Zhen LIU (University of Minnesota)
      • 4:00 PM
        Going Beyond the Dimension 6 EFT in the High Energy/Luminosity Era 25m
        Speaker: Rick S. GUPTA (Tata Institute of Fundamental Research)
      • 4:25 PM
        Probing Heavy Neutral Leptons at Future Experiments [Zoom] 25m
        Speaker: Juraj KLARIC (Catholic University of Louvain)
        Klaric - Probing HNLs
      • 4:50 PM
        Machine Learning at Higgs Factory 25m
        Speaker: Shengdu CHAI (Fudan University)
        ias_talk_202302_ml.pdf
      • 5:15 PM
        Probing R-parity Violation in B-meson Decays to a Baryon and a Light Neutralino [Zoom] 25m
        Speaker: Zeren Simon WANG (National Tsing Hua University)
        rpv-bnv-neutralino-belleii.pdf
  • Tue, February 14
  • Wed, February 15
  • Thu, February 16
    • 9:00 AM → 10:30 AM
      Conference: Plenary Sessions: Day 3 - Session 1: (Th 1)
      Convener: Tao LIU (HKUST)
      IAS_2023.pdf
    • 10:30 AM → 11:00 AM
      Coffee Break 30m
    • 11:00 AM → 12:30 PM
      Conference: Plenary Sessions: Day 3 - Session 2: (Th 2)
      Convener: Tao LIU (HKUST)
      IAS_2023.pdf
      • 11:00 AM
        Forum Discussion 1h 30m
        Speakers: Tao HAN (University of Pittsburgh), Michael HOFER (CERN), Andrea LATINA (CERN), Yifang WANG (IHEP), Akira YAMAMOTO [Zoom] (KEK)
    • 12:30 PM → 2:00 PM
      Self-arranged Lunch 1h 30m
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