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    User name J. LOPEZ

    Log entry time 16:10:35 on December 1,2007

    Entry number 217573

    keyword=Day Shift Summary

    8:00 START OF SHIFT

    HE4 - 10uA

    LEFT ARM - RUN 3116 - NO BEAM FOR A LONG TIME; HIGH PEAK IN COMPTON RATE - STOPPED
    RIGHT ARM - RUN 21336 - STOPPED

    HE4 - 10uA
    LEFT - RUN 3117 - #EVENTS = 353k
    RIGHT - RUN 21337 - #EVENTS = 394K

    CHANGING MOMENTUM - LEFT ARM -> 381.39 / RIGHT ARM -> 409.05

    HE4 - 10uA
    LEFT - RUN 3118 - STOPPED

    BEAM POSITION IS NOT CORRECT - IS (-1,1) AND SHOULD BE (-1,0) --> RUNS 3117 AND 3118 (LEFT ARM) AND RUN 21337 (RIGHT) ARE JUNK
    MOVING TO EMPTY TARGET

    9:05 - BPM IS (-0.95,0.1)
    MOVING TO HE4
    9:10 - BPM IS AGAIN BAD ...
    9:25 - BPM IS FIXED (-1,-0.1)

    STARTING ACQUIRING DATA
    HE4 - 10uA
    LEFT - RUN 3119 - #EVENTS = 420K
    RIGHT - RUN 21338 - #EVENTS = 464K

    9:41 -
    PB - 10uA
    LEFT - RUN 3120 - #EVENTS = 320K
    RIGHT - RUN 21339 - #EVENTS = 330K

    9:49
    H2 - 10uA
    LEFT - RUN 3121 - #EVENTS = 217K
    RIGHT - RUN 21340 - #EVENTS = 232K

    10:05
    DUMMY 10cm - 10uA
    LEFT - RUN 3122 - #EVENTS = 221K
    RIGHT - RUN 21341 - #EVENTS = 228K

    10:25
    C LEFT - 50uA
    LEFT - RUN 3123 - #EVENTS = 345K
    RIGHT - RUN 21342 - #EVENTS = 355K

    Fe LEFT -40uA
    LEFT - RUN 3124 - #EVENTS = 231K
    RIGHT - RUN 21343 - #EVENTS = 202K

    10:43 -- CHANGING SPECT. MOMENTUM
    LEFT -> 355.393 MeV/c
    RIGHT -> 355.393 MeV/c

    Fe LEFT - 40uA
    LEFT - RUN 3125 - #EVENTS 335K

    C LEFT - 50uA
    LEFT - RUN 3126 - #EVENTS 177k

    11:07
    DUMMY 10cm - 10uA
    LEFT - RUN 3127 - #EVENTS 113k

    11:14
    H2 - 10uA
    LEFT - RUN 3128 - #EVENTS = 217k

    11:27
    Pb - 10uA
    LEFT - RUN 3129 - #EVENTS = 268K

    11:37
    He4 - 10uA
    LEFT - RUN 3130 - #EVENTS = 361k

    11:48 - CHANGING LEFT SPECTROMETER MOMENTUM --> 331.154MeV/c
    RIGHT SPECTROMETER NOW IS READY TO MEASURE

    11:50 -
    He4 - 10uA
    LEFT - RUN 3131 - #EVENTS= 607K
    RIGHT - RUN 21344 - #EVENTS= 477K

    12:00 -
    Pb - 10uA
    LEFT - RUN 3132 - #EVENTS= 374K
    RIGHT - RUN 21345 - #EVENTS= 320K

    12:22 -
    H2 - 15uA
    LEFT - RUN 3133 - #EVENTS = 302K
    RIGHT - RUN 21346 - #EVENTS = 252K

    12:32 -
    DUMMY - 10uA
    LEFT - RUN 3134 - #EVENTS = 237K
    RIGHT - RUN 21347 - #EVENTS = 215k

    12:57 -
    C LEFT - 50uA
    LEFT - RUN 3135 - #EVENTS = 367K
    RIGHT - RUN 21348 - #EVENTS = 350K

    13:04 -
    Fe LEFT - 40uA
    LEFT - RUN 3136 - #EVENTS = 289K
    RIGHT - RUN 21349 - #EVENTS = 249K

    13:15 - CHANGING MOMENTUM FOR BOTH SPECTROMETERS
    LEFT --> 309.12 MeV/c
    RIGHT --> 309.12 MeV/c

    13:20 -
    Fe LEFT - 40uA
    LEFT - RUN 3137 - #EVENTS = 336K

    13:26 -
    C LEFT - 50uA
    LEFT - RUN 3138 - # EVENTS = 324K

    13:37 -
    DUMMY - 15uA
    LEFT - RUN 3139 - #EVENTS = 303K

    13:50
    H2 - 15uA
    LEFT - RUN 3140 - #EVENTS = 229k

    14:00
    Pb -
    LEFT - RUN 3141 - JUNK (BEAM TUNING)
    14:16
    Pb
    LEFT - RUN 3142 - #EVENTS=

    14:20
    He4 -
    LEFT - RUN 3143 - JUNK
    RIGHT - RUN 21350 - JUNK

    CHANGING MOMENTUM (LEFT ARM) --> 0.288GeV/c
    We have realized that RUN 3143 was junk (problem with prescale factors) --> We'll measure it again
    CHANGING MOMENTUM (LEFT ARM) --> 0.309GeV/c
    We have not cycled the magnets as we are below 0.450GeV/c

    14:50
    He4 -
    LEFT - RUN 3144 - #EVENTS = 590K
    RIGHT - RUN 21351 - #EVENTS = 574K

    CHANGING MOMENTUM (LEFT ARM) --> 0.288GeV/c

    He4
    LEFT - RUN 3145 - #EVENTS = 441K
    RIGHT - RUN 21352 - #EVENTS= 393K

    15:20
    Pb
    LEFT - RUN 3146 - #EVENTS = 390k
    RIGHT - RUN 21353 - #EVENTS = 300k

    15:30
    H2
    LEFT - RUN 3147 - #EVENTS = 216k
    RIGHT - RUN 21354 - #EVENTS = 166k

    15:54
    DUMMY - 10 uA
    LEFT - RUN 3148 - #EVENTS = 330k
    RIGHT - RUN 21355 - #EVENTS = 300k