Cherenkov Detector
- Discussion Process: Zhonghua presented preliminary considerations for a Cherenkov detector at CEPC, discussing motivations, design options, and photon detector requirements.
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Details
- Zhonghua Qin: Highlighted the need for a Cherenkov detector to enhance particle identification capabilities, especially in the high-momentum range.
- Joao: Suggested using coincidence to reduce noise in the detector.
- XiaoLong: Discussed the potential for using tracking information to reduce fake hits.
- Finalize Cherenkov detector specifications, including material budget and noise reduction strategies.
- Simulate detector performance to assess the impact of design choices.
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Conclusion
- The need for a Cherenkov detector was reaffirmed, with a focus on addressing noise reduction and material budget concerns.
Luminosity Monitor (LumiCal)
- Discussion Process: Lei Zhang presented the plan for LumiCal, covering the detector's design, testing, and challenges.
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Details
- Lei Zhang: Outlined the detector's components, including silicon trackers and LYSO+SiPM calorimeters, and discussed testing at BESIII.
- Imad: Raised concerns about radiation hardness and background contribution.
- Joao: Suggested using diamond detectors for real-time background monitoring.
- Collaborate with the background group to better understand and mitigate background effects on LumiCal.
- Investigate the use of diamond detectors for real-time background monitoring.
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Conclusion
- LumiCal's design and testing progress were acknowledged, with a recognition of the need to address radiation hardness and background challenges.
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