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2022/09/02 (Friday)

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  • Lab in-personnel:Giulia, Zach
Status Run 76 in progress
Setup Cables 2/3/1 → diverter/nothing/nothing → Side2-readout HV CONN 1/3/2 → HV 1(L)/2(R) → DCRC50(3)/DCRC55(1), DCRC33(2)→HV control, NaI trigger signal → DCRCX(4)
Lead/poly shield fully assembled. Boron-filled socks covering NaI detectors.
PuBe behind lead wall on West side of lead/poly shield.
NaI trigger window: 7.6-11.2 MeV
fourth 5K pumpout yesterday. Pumping IVC overnight.
1140 MC/Coldplate = 9.78/21 K, Still = 13.9 K, G1/G2 = 125/131 mbar, 1K Pot = 6.99 K, MB = 39.7 % .
1155 Fill LN2 cold trap bath.
1554 Begin LHe transfer @ MB = 33.8%
1634 Ended LHe transfer @ MB = 91.9%

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