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CEPC Calorimeter Weekly Meeting on TDR

→ Asia/Shanghai
Jianbei Liu (University of Science and Technology of China) , Yong Liu (Institute of High Energy Physics)
Description

Zoom connection information

    • 14:00 → 14:05
      Introduction and news 5m
      Speakers: Jianbei Liu (University of Science and Technology of China) , Dr Yong Liu (Institute of High Energy Physics)
      2024_0605_CEPC_Calorimeters_TDR_To-do_List.pdf
    • 14:05 → 14:25
      Electronics, mechanics, physics and software: discussions on CEPC-TDR
      Conveners: Jinfan Chang (高能所) , Manqi Ruan (IHEP) , Shaojing 侯少静 (高能所) , Sheng-Sen Sun (Institute of High Energy Physics)
    • 14:25 → 14:55
      CEPC calorimeter options: down select for CEPC-TDR
      Convener: Jianbei Liu (University of Science and Technology of China)
      • 14:25
        Plastic scintillator ECAL and HCAL 5m
        Speaker: Yunlong Zhang (University of Science and Technology of China)
      • 14:30
        Silicon ECAL and glass-RPC HCAL 5m
        Speaker: Haijun Yang (Shanghai Jiao Tong University)
      • 14:35
        Highly granular crystal/glass ECAL 5m
        Speaker: Dr Yong Liu (Institute of High Energy Physics)
        2024_0606_CEPC_Crystal_Calorimeter_Electronics_Discussions.pdf
        2024_0607_CEPC_CrystalCalo_Electronics_Requirements_Draft.pdf
      • 14:40
        Stereo crystal ECAL 5m
        Speaker: Huaqiao ZHANG (IHEP)
      • 14:45
        Glass HCAL 5m
        Speakers: Peng Hu (IHEP) , Sen Qian (高能所)
      • 14:50
        Wrap-up 5m
        Speaker: Jianbei Liu (University of Science and Technology of China)
    • 14:50 → 14:53
      AOB 3m
      Speaker: All
    • 14:53 → 14:55
      Minutes 2m
      Speakers: Fangyi Guo, Dr Yong Liu (Institute of High Energy Physics)

      ## Date and Time
      * Participants
          * IHEP MB A420: Baohua Qi, Huaqiao Zhang, Dejing Du, Boxiang Yu, Yatian Fei, Jinfan chang, Fangyi Guo, Yong Liu
          * Remote on Zoom: Haoyu Shi, Jianbei Liu (chair), Haijun Yang, Weizheng Song, Junsong Zhang, Wei Wei, Tohru Takeshita, Qi Yan, Zhiyu Zhao, Yang Zhang, Hengne Li, Shaojing Hou, Shengsen Sun, Ji-yuan Chen, Quan Ji
      * New time arrangements: 14:00 - 16:00

      ## Beam-induced Backgrounds
      * Brief talk by Haoyu Shi
          * A summarised table: background types, Higgs/Z mode, noise estimates, radiation does
          * For several background types, ready for mass production
              * Pending on computing resources
              * Also depend on the detector geometry description in CEPCSW

      ## AHCAL Mechanics Design
      * First mechanics design for AHCAL: talk by Yatian Fei
          * 2 mm for 3 barrel segments along Z
          * 0.4 mm for 4 barrel segments along Z and also including 2-point constraints in phi-module
      * Discussions
          * AHCAL module assembly procedure -> 
          * Tolerances per layer -> area of absorber plates -> production precision

      ## Crystal  calorimeter mechanics design
      * Updated mechanics (schematics) of long-bar crystal calorimeter: talk by Shaojing Hou
          * (No simulation results of deformation)
      * Discussions
          * 
       

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