• Main INDEX
  • Monthly INDEX
  • PREV
  • NEXT

    User name E.Chudakov

    Log entry time 08:04:30 on April28,2004

    Entry number 119675

    keyword=Owl Shift Summary

    Continue data taking with Be target
    01:10 - J.Segal called and asked to turn on gas flushing in the RICH.
    As a consequence HV VDC L tripped and was restored.
    01:40 - ROC12,ROC16 hung up - took about 15 min to restart
    02:50 - RICH: We noticed a few "red" numbers on the RICH gas panel:
    Argon flow (0), Radiator oxygen (-1.1ppm), radiator moisture
    (386ppm). We called Guido, he asked to call Jack, then
    Guido called and told that the it was no problem.
    04:40 - Beam is tripping, The current is reduced to 84uA.
    05:50-06:35 - Network switch in the hall tripped and had to
    be reset (Control Access).
    06:47 - data taking resumed

    Runs Taken



    
Run      time         Comment   
    
2858  .....-00:30    1M events
    
2959  00:30-00:52    1M events,
    
2960  00:53-01:13    1M events. VDC L tripped for about 1minute.
    
2961  01:14-01:37    1M events
    
2962  - does not exist
    
2963  01:53-02:13    1M events
    
2964  02:14-02:37    1M events
    
2965  02:37-02:58    1M events 
    
2966  02:58-03:21    1M events
    
2967  03:23-03:43    1M events
    
2968  03:44-04:09    1M events 
    
2969  04:09-04:30    1M events
    
2970  04:31-04:52    380K events
    
2971  04:55-05:29    1M events
    
2972  05:30-05:40    340k events (stopped because of the network failure)
    
2973  06:47-07:13    1M events
    
2974  07:14-07:46    1M events


    Summary


    15.6M events have been taken with the "thick" Be target.