• Main INDEX
  • Monthly INDEX
  • PREV
  • NEXT

    User name X. Zheng

    Log entry time 00:03:42 on May15,2004

    Entry number 121747

    keyword=swing shift summary

    16:00 Hall in power permit;
    16:00 - 18:05 changing Wien angle for Hall C;
    18:05 start 100 uA, energy spread high (4.5x10-5);
    19:48 energy spread finally reached 2.8x10-5, start production;
    23:05 MCC: lost beam, will recover soon; run#3551 ended early;
    23:15 beam is back, energy spread 2.3x10-5!
    23:37 RICH HV trip; run#3552 ended early;


    run summary:

    3544 is a cosmic run

    run#   start   stop     #event   comment

    3545   19:48   20:17   1M    
    3546   20:19   20:48   1M    
    3547   20:49   21:16   1M    
    3548   21:17   21:45   1M    
    3549   21:47   22:27   1M    
    3550   22:29   22:56   1M    
    3551   22:57   23:10   242K   end early due to no beam (7 out of 13 minutes)
    3552   23:17 23:38   678K   end early due to RICH HV trip
    3553   23:42