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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
    • LN2 transfer with LHe stick was unsuccessful, which implied stick has issues.
    • Did LN2 transfer with the original LN2 transfer stick to keep fridge at 77K overnight.
    • Check vacuum in the transfer stick pieces, one side shows less vacuum. Used turbo to vacuum it further.
    • Replaced o-ring with exact metric dimension one, Thanks to Mike.
    • Zach suggested to keep transfer stick low on the dewar side and keeping the telescoping piece intact. The transfer went well!
    • Closed valve to dump at 400 mbar mixture pressure in the line to see how that changes the base temperature numbers.
    • Currently, fluctuating with an upward trend at 88 mK.
    • Plan is to introduce mixture in burst and see we can get lower and stable base temperature.
  • Priority Updates
  • General Updates
    • Himangshu
    • Shubham
    • Zach
    • Elliott