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    ESB/DAQ Readout

    → US/Eastern
    Description
    https://uregina-ca.zoom.us/j/98915102548?pwd=6Be10hz7OQ3WLS2NvFGKcenSx5MbF6.1
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    ESB/Systems Testing Meeting

    October 20, 2026

    Attendees: Halen Davies, Bo Gyeong Seo, Norbert Novitzky, Jun Hyung Park, Bobae Kim, Wouter Deconinck, Adam Schoenwald, Zisis Papandreou

    Regrets: Tegan Beattie, Shinhyung Kim, Maria Żurek

    Agenda

    1. Announcements, Updates, Goals
    2. Reports.
    3. Action Items
    4. AOB
    5. Next meeting

     

    Minutes

     

    Zoom Notes Summary

    Key Outcomes

    The team is progressing on budgeting, DAC review preparation, and QC tray design for SiPM testing. A 3D-printed tray is being developed locally to enable easier transfer of SiPMs from Hamamatsu trays without manual handling. Beam test analysis is now moving forward after technical issues were resolved. 

    Announcements

    • DAC review is scheduled for the 28th and 30th of next week; a dry run was held last Friday. 
    • EPIC collaboration meeting will be in Vancouver, Canada, from January 11th to 15th. 
    • GTLs from North America and Korea will meet the day before the EPIC meeting to finalize how funds from three countries flow into the BIC budget. 
    • NASA engineering meeting is coming up in a couple of weeks; attendance is expected from NASA, Manoj, and potentially people from Oklahoma. 
    • Beam test analysis meeting is scheduled for this afternoon at 6 p.m. Eastern. 

    Progress & Status

    • QC tray design: Akshaya has started designing a 3D-printed tray similar in size to the one Yale uses for smaller SiPMs. 
    • Tray capacity: The current design may only fit four or fewer SiPMs, which would create a ~7-hour test cycle requiring frequent reloading; the goal is to fit 24 hours of work in one load. 
    • Beam test analysis: Halen and Aram have resolved compilation issues and can now automatically pull 2D histograms from May and August data. 
    • Fiber validation: Production fiber validation currently uses a specific wavelength; results in Chicago are consistent with Hamamatsu and are cross-checked. 

     

    Decisions Made

    • Local design first: The team will iterate on the 3D-printed tray design locally before involving external groups, because the Hungarian group lacks the necessary SiPMs and Hamamatsu trays to iterate effectively. 
    • Variable wavelength source: Savino Longo’s variable wavelength source is not currently needed for production QC, but may be useful for academic studies or future QC steps. 

    Pending Confirmation

    • Tray capacity: The team needs to evaluate how much larger the tray can be within the existing robot constraints. 
    • External collaboration: Norbert offered a contact (Balazs) who designs for the LFH cal and could help redesign the top plate/push-pin connector once the local design is more mature. 

    Action Items

    • Akshaya: Continue designing the 3D-printed tray and verify it can be tiled over Hamamatsu trays to avoid manual handling. 
    • Wouter/Team: Establish initial QC steps to inform the final tray design. 
    • Halen/Aram: Proceed with beam test analysis using the now-accessible 2D histograms. 

     

    Next meeting:  November 3, 2026 (clocks change this weekend in Europe and next weekend in n. America - Regina goes -1hr to EST, so 8am Regina local time meetings - YES)

    There are minutes attached to this event. Show them.
      • 09:00 → 09:10
        Announcements and Updates 10m
        Speaker: Zisis Papandreou (University of Regina)