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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
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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