Barrel HCal Meeting

Friday 5 Sept 2025, 09:00 → 19:40 US/Eastern

Murad Sarsour is inviting you to a scheduled ZoomGov meeting.

 

Topic: Epic Barrel HCal

Time: This is a recurring meeting Meet anytime

 

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Meeting ID: 161 050 1083

Passcode: 040716

 

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Meeting ID: 161 050 1083

Passcode: 040716

 

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Meeting ID: 161 050 1083

Passcode: 040716

 

Minutes BHCal meeting 2025-09-05 (compiled by Stefan)

High-Bay:  Anjaly:  spoke to Martin, space is clean, move next week (Martin confirms)

David:  LED system:  reached out to Steve Boose, Steve will provide preliminary design before he retires; David has lab space at NMSU and is setting up LED lab

Norbert:  sending boards to David for LED tests

Oleg:  preliminary design review: Week of October 6 :  8am-2pm, one presentation 2nd day (We or Th) around lunch time (just one presentation)

• Template slides?  Oleg will make some.  No more than 30 minutes
• Design (pretty much finished)
• Cover everything that leads up to calo roc board
• Refurbishment work
• Chimney modifications
• Schedule
• Work planning
  • To update basis of estimate
  • For November readiness review, in preparation for CD2 in March
• Page-turn on 23rd
• 29th post everything
• Charge by next week
• discussion on background radiation damage (combined for all subsystems, so we won’t have to talk about that), so we talk about performance and how we’ll reach them
• Heat load:  (see email). Rough estimate:  < 5 kW total
  • Engineers want to do a full thermal simulation, also for A/C
  •  

David:  K-means neural network to fix clustering, asked Derek for pointers to variables

1 General

Speakers: Murad Sarsour (Georgia State University), Stefan Bathe (Baruch College, CUNY, &amp; RBRC)

2 HCal prototype status and plans

Speakers: Eric Mannel (Brookhaven National Laboratory), John Haggerty (Brookhaven National Laboratory), Martin Purschke (BNL), Bayal Rehman (Georgia State University), Murad Sarsour (Georgia State University), Norbert Novitzky (ORNL), Stefan Bathe (Baruch College, CUNY, &amp; RBRC), Anjaly Menon (City University of New York)

3 Preliminary design review organization

Speaker: Oleg Eyser (BNL)