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CEPC Calorimeter Weekly Meeting on R&D activities

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ZOOM

ZOOM
Haijun Yang(Shanghai Jiao Tong University),Jianbei Liu(University of Science and Technology of China),Yong Liu(Institute of High Energy Physics)
Description
    • 1
      News
      Speakers: Haijun Yang(Shanghai Jiao Tong University), Jianbei Liu(University of Science and Technology of China), Yong Liu(Institute of High Energy Physics)
    • Talk on selected topics of CEPC calorimetry R&D
      Conveners: Haijun Yang(Shanghai Jiao Tong University), Jianbei Liu(University of Science and Technology of China), Tohru Takeshita(Shinshu University), Yong Liu(Institute of High Energy Physics)
    • Status updates on CEPC calorimetry R&D activities
      • 3
        Status on ScW-ECAL prototype beamtest studies

        Focusing on ScW-ECAL prototype beamtest data, including calibration, reconstruction, simulation (+digitisation), shower profile and PID studies

        Speakers: Jiaxuan Wang(University of Science and Technology of China), Tatsuki Murata(The University of Tokyo)
      • 4
        Status on AHCAL prototype beamtest studies

        Focusing on ACAL prototype beamtest data, including calibration, reconstruction, simulation (+digitisation), shower profile and PID studies

        Speakers: Dejing Du(IHEP), Ryunosuke Masuda(The University of Tokyo), Siyuan Song(Shanghai Jiao Tong University), Xin Xia(IHEP), Zhiyu Zhao(TDLI/SJTU), 洪滨 刁(中国科学技术大学)
      • 5
        Status on crystal calorimeter R&D

        Focusing on crystal calorimeter R&D, including hardware developments, beamtest data analysis, simulation (+digitisation), reconstruction and PFA studies.

        Speakers: Baohua Qi(IHEP), Fangyi Guo, Zhiyu Zhao(TDLI/SJTU)

        Digitization for CEPC BGO crystal ECAL

        • Digitization of Scintillation
          • Light yield uniformity among crystals: 1%
          • Response uniformity along crystal bar(40cmBGO): 5%
          • Scintillation photon fluctuation: Poisson
        • Digitization of SiPM
          • Fluctuation from response
          • Fluctuation from saturation correction
        • Digitization of ADC
          • ADC bit: 12
          • Noise(pedestal flucation): 3 ADC
          • Multi-gains: 3 gains, 0~1700MIP
            • High gain(0~2.7MIP): SPE calibration and muon calibrationn
            • Middle gain(2.7~67MIP): cover the enrgy range that most possiblely deposited in crystal
            • Low gain(67~1667MIP): high energy event like 120/180GeV Bhabha
        • Performance of algorithm is reasonable. Need to be checked with data from detector simulation.
      • 6
        Status on glass calorimeter R&D

        Focusing on glass calorimeter R&D, including hardware developments, beamtest data analysis, simulation (+digitisation), and PFA studies.

        Speakers: Dejing Du(IHEP), Peng Hu(IHEP)
    • 7
      AOB
      CEPC-Calo TDR Meeting
    • 8
      Minutes
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