MPGD-HCAL

Thursday 2 Oct 2025, 10:00 → 11:50 Europe/Zurich

10:00 → 10:10 News

Speaker: Luigi Longo (Universita e INFN, Bari (IT))

Structure_Assembly_2Lambda.pdf

• Preparation area, close to the buffer zone, should be ok:
  • ground point
  • 220V socket
  • gas: still a question mark. At the North area, Safety allowed me to vent directly to the air
• Prototype will be moved from the North area on Tuesday Oct 7:
  • The handling with crane on Monday Oct 6 (Michele will take care)
  • Internal transport scheduled on Oct 7 at 2pm from North Area to Est Area
  • main gas lines routed
    
  • Maria Teresa got the chambers position info ( see attached file)
• 50x50cm2 chambers should be delivered by Rui at the beginning of next week
  
• Scintillators
  
  • all the scintillators use the same PMT H11284
  • WP could be around 1.3kV, slightly lower for "Bottom" one
• Trackers:
  • more info from Alessandro
• DAQ & DQ:
  • storage:
    • /eos/user/h/hcal/Documents -> all the people having subscribed our mailing list have editor rights
    • https://cernbox.cern.ch/files/spaces/eos/user/h/hcal/Documents 
  • account hcal can be used with cernbox on our DAQ pc, so that we can have a common eos area for DAQ and data; reconstruction can be run directly from lxplus
  • Antonello has created an instance for database and grafana for HV monitoring
  • 4VMM+FEC+DVMM from RM3 and Naples
• equipment:
  • NIM crate + trigger logic
  • HV:
    • SY mainframe with ethernet connection
    • 3 HV boards A7435DN 12CH.3.5KV/3.5MA COMM.FLOAT  
    • For the tracker, it could be we would need to use the N1470 (NIM HV board) -> moving GEM from ArCO2 to ArCO2CF4 we would need to rise the HV point
• mattermost channel for quick discussion: https://mattermost.web.cern.ch/signup_user_complete/?id=66r6aj1je7ygzxhoohbkhbm3mw&md=link&sbr=su

10:10 → 10:50 Roundtable

10:10 GEM characterization

Speaker: Alessandro De Robertis (Universita e INFN, Bari (IT))

TrackerUpdate.pdf