Re: Shift report 20000809 16:00-24:00

From: Peter H. L. Christiansen (pchristi@nbi.dk)
Date: Wed Aug 09 2000 - 09:54:37 EDT

  • Next message: Konstantin Olchanski: "Re: Shift report 20000809 00:00-08:00"

    Hi, 
    
    I have looked through most of run2144seq000.dat with Alv's new tpc
    display and I don't see any nice tracks in T2 ( All the other detectors
    have nice tracks ). You can find small parts of tracks (see for example 
    evnt 2000) and "weak" tracks (see for example event 12182, and lower the
    minimum ADC value). If somebody has a real nice track in any resent event
    please write the data sequence and event number.
    
    BTW, I thought the triggerword1 had the same 2 digits in front as in the
    back (0101, 2121 etc ), but I sometimes see 2939, 2030, is there a reason
    for this ?  
    
    Is anybody thinking of including clustering, tracking etc. in Alv's code ?
    I have looked at it and will try to include it as a clickable feature if
    no one else is doing / have done (please;) it.
    
    Ciao
       Peter
    
    :-) --------------------------------- )-:
    |Peter H L Christiansen aka PAN @ NBI	|
    |EMAIL  : pchristi@nbi.dk		|
    |OFFICE : Tb1 @ NBI			|
    |PHONE  : 353 25269 <- New!!		|
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    |PHONE  : 38 872042 			|
    :-D --------------------------------- \-:
    
    On Wed, 9 Aug 2000, http account wrote:
    
    > 
    > ------------------------------------------------------------
    > Date: Wed Aug  9 00:11:14 2000, Shift: 16:00-24:00
    > Supervisor: TT, with: JN
    > Log book#4 pages 32 - 37
    > 
    > Shift Summary:
    > ------------------------------------------------------------
    > 1. Power supply work until 20.30, then injection and 
    >    ramping..
    >    21.12: Beam stored and cogged at gamma=70.  Steering 
    >    for Phenix.
    >    22.12: Attempt to steer for Brahms.
    > 
    > 2. Run 2144 from 22.14 to 23.27.  Varying scaler rates 
    >    (see logbook)
    >    Contains 477 collision events, probably good run!
    >    Interaction vertex seems to be at right place.  Tracks 
    >    seen in all 4 TPCs.
    >    T2b anode voltage raised from 1250 V to 1280 V before 
    >    starting run 2145 (still running.)  
    >    Some improvement in cluster quality.
    >    
    > 3. No special problems (except MTPC2 and T2a anode wires 
    >    tripped once due to sudden beam injection during HV 
    >    shift check test, and T3 anode wires were found tripped 
    >    at the same time.)  Otherwise stable.
    > ------------------------------------------------------------
    > 
    



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