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Teleconference link: https://umn.zoom.us/j/9024497080?omn=98454621599
Meeting ID: 902 449 7080
Domestic: 1-408-638-0968 (US toll)
Access code:
  • Lab Update - Run 82 preparation
    • Fridge Status : Fridge is at base temp of 45 mK,
    • On Friday, Paul suggested to repeat cycles of one-shot and adding mixture from dump to go lower in temperature.
    • We are at a stable base temperature of 45 mK. (earlier we get to 30-35 mK)
    • Tower is warm at 112 mK. Turned on DCRCs to tune SQUIDs.
    • Tower at 138 mK.
    • Electrical checks on channels show no shorts, but Side2pD feedback is not stable reading, might be a pin issue on the warmer side. Needs more checks. All other channels looks fine. Motor Coil resistances at ~ 36 ohm. (room temperature R ~ 150 ohm).
    • Running IbIs on phonon channels. But donot see any pulses yet.
    • Turned on new DAQ but L2Trigger showing error to start. Yan came in the late afternoon and found one L2Trigger old instance. Hopefully we can run it today.