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    User name Higinbotham

    Log entry time 21:22:14 on February28,2000

    Entry number 34968

    keyword=Kinematics # 20:

    Kinematics # 20:

    Normalization Run : Theta_E= 33.305 deg, p_E = 2593 MeV
    Theta_P= 41.261 deg, p_P = 1915 MeV
    Run # 2428, I = 100 uA, Raster ON

    Change hadron arm: Theta_P=28.42 deg, p_P = 2999 MeV

    Prescale to 2.5, 12, 10,20,1,

    Run Events Sum Time Current Charge
    (M) Events (min) (uA) (C)
    2429 0.9M 0.9M 50 mins ~105 uA
    2430 0.14M 1.0M 6 mins ~113 uA
    2431 1.5M 2.5M 80 mins ~107 uA
    2432 1.5M 4.0M 70 mins ~107 uA
    2433 0.9M 4.9M 70 mins ~108 uA
    2434 Junk -- to fix CODA End of Run problem
    2435 0.1M 5.0M ~10 mins ~108uA
    2436-2439 Junk
    2440 47k beam off for 1/2 hour

    Run Events Sum Time Current Charge
    2441 1.50 6.5 81 min. 109 uA 0.512
    2442 0.27 6.8 20 min. 109 uA 0.091
    2443 1.50 8.3 80 min. 106 uA 0.514

    -----------------------------------
    Systematic Checks
    -----------------------------------

    10 cm Dummy with Raster On and 30 uA
    2444 Changing the prescale factors
    2445 0.225 0.225 14 min. 30 uA 0.024

    10cm Dummy with Raster Off and 5 uA
    2446 Changing the prescale factors
    2447 0.035 0.035 5 min 5 uA

    4cm Dummy with Raster Off and 5 uA
    2448 0.050 0.050 11 min 5 uA

    Carbon Target with Raster On and 50 uA
    2449 0.176 0.176 12 min 5 uA