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2022/07/20 (Wednesday)

Previous Day

  • Lab in-personnel: Matt
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 on North side of lead/poly shield.
NaI trigger scans with PuBe on North side of shield done overnight, ending promptly at 12:32
1320 Put PuBe drum back behind lead wall on West side of shield.
1325 MC/Coldplate = 29.3/157 mK, Still = 1.13 K / 0.110 mbar / 0 mW, G1/G2 = 124/131 mbar, 1K Pot = 60° / 1.54 K / 7.5±0.5 mbar, MB = 66.8%
1330 Fill LN2 cold trap bath

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