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    User name Li Ye

    Log entry time 16:01:59 on November28,2009

    Entry number 303307

    keyword=Shift summary

    08:05 start the shift with beam current=109ua ,target is fine continue to take production data with a parity run 14286 ,the compton coda is running at 21283.

    08:45 LeCroy 1461 High Voltage alarmed,turned HVoff then back on,the alarm gone

    09:45 compton coda crashed and reboot it start run #21284 at 09:52
    10:10 LeCroy 1461 Hight Voltage alarmed,turned HVoff then back on ,the alarm gone.
    10:35 there is no food in counting house and we are so sad.
    11:23 pan ask to stop all runs (#14289 #5390 #25833) to turn on FADC and then restart #14290 #25836 #5393
    11:55 compton coda crashed and reboot it at #21285
    12:25 compton coda crashed and reboot it at #21286
    12:27 when the #14290 ended,pan turned the FADC off and then start production run #14291.
    13:10 compton coda crash and there is something wrong with the rate,mark try to fix it.
    13:28 when the run #14291 ended ,stop all runs for doing some tests as R.subedy asked.
    13:33 change the prescale factor to do some short tests run for 20min each (start at #14292 #5395 #25838)
    14:17 tests have done, start production run at 110ua (#14295 #5398 #25841).
    15:00 start the compton run 21289
    15:49 R.subedy end all runs and ask MCC for 80ua beam current
    15:50 compton coda crashed and end compton run
    15:50 start the test runs #14297 #5399 #25842


    -----------------------------------------------------------
    Time Run #pvdis run #events/comments
    07:34-08:30 14286 100K
    08:30-09:28 14287 100K
    09:29-10:24 14288 100K
    10:25-11:23 14289 100K
    11:24-12:23 14290 100K /FADC OFF
    12:23-13:20 14291 100K
    13:33-13:57 14292 43K /test
    13:34-14:24 14293 43K /test
    14:25-14:46 14294 35K /test
    14:47-15:45 14295 100K


    Time Run #HRSL run #HRSR run #events
    07:34-08:54 5389 25832 5.7/5.4
    08:55-10:17 5390 25833 5.7/5.3
    10:18-11:23 5391 25834 4.6/4.2
    11:24-12:23 5393 25836 0.48/0.47 /FADC OFF
    12:23-13:27 5394 25837 0.82/0.91
    13:33-13:57 5395 25838 0.36/0.40 /test
    13:34-14:24 5396 25839 2.3/ 2.8 /test
    14:24-14:46 5397 25840 3.4/5.0 /test
    14:47-15:45 5398 25841 4.2/4.0