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    User name jpchen

    Log entry time 00:05:44 on May20,2009

    Entry number 274924

    keyword=swing shift summary

    Swing shift summary

    shift workers: J. P. Chen (SL), K. Pan(TO), B. Norum (3rd).

    16:00 Hall in power permit -> beam permit.
    16:15 2 uA position at (-0.5,2), with raster off, BeO position
    checked fine.
    16:20 harp scan, size fine.
    16:25 Raster 4x4 (MCC 7x5), checked fine.
    16:33 Beam off, MCC need access NL to restart turbo pump at 1L06.
    ~1 hour.
    17:30 MCC called to inform us that they will need to replace turbo,
    estimation ~2 hours down.
    17:35 moved target to pol. He3.
    18:30 NMR=47%, moved back to BeO
    19:10 beam back. position check 2 uA on BeO, spot check.
    19:15 asked for harp scan, 5uA.
    19:25 asked for raster 4x4 (MCC 7x5)
    19:35 Filled reference cell to 135 psig H2, moved to reference cell.
    19:35-19:55 checked raster on reference cell: 4x4, 6x6, then 2x2.
    20:00 started production 10 uA on H2, raster 4x4. 2477/21386.
    started happex run 31386.
    21:30 started production 5uA on multi-12C.
    22:00 moved to pol. He3, NMR=50.55%. Lower than expected.
    22:00 started production 10uA on pol. He3.
    23:00-23:10 EPR to check target polarzation. 52%-47%.
    23:10 restart production on pol. He3.

    run L/R
    2470/21376 raster check 4x4, 2uA on BeO
    2472/21381 spot check, raster off, 2uA on BeO
    2473/21382 raster check 4x4, 5uA on BeO
    2474/21383 raster check 4x4, 5uA on 135 psig H2
    2475/21384 raster check 6x6, 5uA on H2
    2476/21385 rsater check 2x2, 5uA on H2

    Production runs (reference H2/multi-12C)
    2477/21386 10uA on H2 4M/4.5M
    2478/21387 10uA on H2 4M/4.5M
    2479/21388 5uA on multi-12C, .3M/.4M, right deadtime high (26%),
    2480/21389 5uA on multi-12C, 4M/3.5M. changed PS1=2 (right).

    Prodcution runs on pol. He3
    2481/21390 10uA on pol. He3, 4M/4.3M
    2482/21391 10uA on pol. He3, 4M/4.3M
    2483/21392 10 uA on He3. 4M/4.3M
    2484/21393 10uA on He3, still ongoing at the end of shift.