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    User name A. Deur

    Log entry time 07:59:50 on January22,2004

    Entry number 116403

    keyword=shift summary

    00:005 We did a harp scan. File numbers are scan_1942.data and scan_1943.data (both are good scans).
    run 1998 00:012-00:017 Prescale factor 6 is 15. We stop the run to put ps6 at 240. Deadtine is ~20%. Yesterday it was close to 0% (but maybe not reliable since it was sometine negative).
    run 1999 00:17-0046 800K ps6=240 Deadtime is still 20%. Events size is ~2.5 Kbyte. Franscesco is going to update the rich pedestals. But 20% might not be a problem since the 1% of yesterday was not reliable.
    run 2000 00:46-01:18 800K
    run 2001 01:18-01:47 800K
    run 2002 01:48-02:16 800K
    run 2003 02:17-02:54 800K
    run 2004 02:54-03:20 800K
    run 2005 03:20-03:50 800K
    run 2006 03:50-04:25 800K
    run 2007 04:25-04:52 800K
    run 2008 04:52-05:24 800K
    run 2009 05:24-05:51 800K
    05:51 run 2010 is junk. Just after starting, MCC called saying that they will start the work on the chopper phase match to remove beam current oscillations in Hall B and possible dE/E degradation for us.
    06:26 Done with the source work. Harp scans before and after did not show much change, according to MCC.
    06:35. Beam back at 100 uA. Start run 2011
    run 2011 06:35-07:04 800K
    run 2012 07:04-07:24 400K Beam off at the end due to cavity problems.
    At 7:16, beam went off due to cavity problem.
    7:28. Beam back, start run 2013
    run 2013 07:28-07:57 800K
    run 2014 started at 07:58