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    Adhoc BI-TB for PS/SPS BGI systems

    → Europe/Zurich
    CERN

    CERN
    Description

    https://cern.zoom.us/j/95505784430?pwd=UWswZ2hvRGlRc3NnTmxYTTBGRDZkQT09

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    PS BGI systems (James/Steen)

    • Mechanics/detectors
      • BGI vertical magnet and vacuum chamber installed in August
      • BGI horizontal upgraded version being prepared
      • Ceramic PCB assembly proved difficult (soldering)
      • Timepix modules being assembled with EP-DT wire-bonding lab
      • In-vacuum instrument installation (scheduled for W1/2021)
    • Measurement modes (EDMS document: 2397728)
      • Beam profile (OP), Raw-data (MD) and TV (live view)
    • Electronics:
      • Reminder of system blocks from tunnel to surface (building 355)
      • Back-end will be based on VFC with HDMI mezzanine (BI built) once the system is commissioned (during 2021) - should be transparent for FESA software
    • Firmware (Hampus)
      • APIs documented on EDMS document : 2407507)
    • Software (Steen)
      • Request to acquire 100 profiles per cycle (operational settings)
      • BGIPXL FESA server accesses other devices (LTIMs and slow control)
      • Main communication from FEC to firmware based on IP-BUS (BE/CO now supports library and utility)
        • Possible topic for a future TB meeting
      • Description of the expert and operational properties and property to debug RT actions
      • BI expert application based on Python
        • BI-TB presentation proposed Spring 2021
      • First version of FESA server released
        • Operational integration for profiles by M. Cody (BE/OP)

    SPS BGI systems (James)

    • Current system status:
      • Vertical device moved during LS2 (beam dump project)
      • Instrument installation was foreseen next week
      • 15kV electrical feedthrough issue found on H and V
        • Inner connector diameter does not fit the HV cable plug (inner diameter too small)
      • Solutions under consideration with ML section (await installation until early 2021?)
      • BGI imaging systems appear to be available (two intensified cameras are working)
      • MCP ageing not seen as primary problem (operational use to be clarified)
      • Federico asked to present SPS BWS, BGI and BSRT performance by early 2021
    • Consolidated system (LS3)
      • Various components show weaknesses
      • New SPS BGI based on PS system
      • Main difference is distance from cathode to anode, the rest should stay as PS
      • Tentative (realistic?) plan shows we could have instruments ready by 22/23 YETS
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