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2022/12/11 (Sunday)

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  • Lab in-personnel:
Status Run 76 ending
Setup DCRC33(2)→HV control, NaI trigger signal → DCRCX(4)
Lead/poly shield fully assembled. Boron-filled socks covering NaI detectors.
PuBe removed from lab.
NaI scan in progress
Warming up. Mixture in dump. Mixture removed from LN2 Trap 1 but it still has contaminants. Some He exchange gas in cryostat vacuum jacket and IVC.
1323 Recovery = 700947.23 cuft (@ 13:23:14), 0.025 cuft/hr.
1330 MC(Cernox) = 230.775 K, 1.9 K/hr. Implies warming tau of 32.3 hours, should reach dew point (around 34 F) at Dec 13 03:25

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