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- Lab Update
- Tried moving source mover, just 4 steps. Fridge heats up as in Run71
- Checked whether we lost phonon collection efficiency. But other effects confused the situation - running out of N2 for the Ebox purge increased current leakage and seemed to introduce low-amplitude junk events. After fixing this, found lower gain but only in DCRC1 channels; rebooted DCRC1 and gain came back. So not sure whether we lost PCE at all.
- Planning to add more 4He to mixture today
- Copper Shield Results Jack
- General Updates