4-Iteration - raw tower spectra for sector 1-12
Final absolute tower gains for sectors 1-4, 9-12

  • events from the selected runs with TPC in the data were added together, runList
  • any minB triggered events are used (fast & slow), total 1.5M accepted eve
  • Goal-1: look for pathologies & DB inconsistency
  • Goal-2: fit slopes for all towers

    Tower spectra. 5 plots per row for subsec A-E. 6 rows per plot for eta bins 1-6 or 7-12.
    ADC-ped range: tower [-20,100], Fit range : tower [15,50]
    detector eta bin plot already
    masked
    6 new fatal (F)
    problems,
    will be marked in DB
    slopes + integral
    sector 1 1-6 GIF PS.gz - - ASCII table
    7-12 GIF PS.gz - A09 -only ped (F)
    sector 2 1-6 GIF PS.gz - - ASCII table
    7-12 GIF PS.gz - B10 -only ped (F)
    sector 3 1-6 GIF PS.gz - - ASCII table
    7-12 GIF PS.gz - -
    sector 4 1-6 GIF PS.gz B07 - sticky bit,OK - ASCII table
    7-12 GIF PS.gz - B10 -only ped (F)
    sector 5 1-6 GIF PS.gz E03 -only ped (F) - ASCII table
    7-12 GIF PS.gz D10 -only ped (F) -
    sector 6 1-6 GIF PS.gz A03 - broken FEE (F)
    D11 is hot (F)
    A07 - sticky bit,OK
    D01-03 & D08-12 have
    wide ped base, OK
    - ASCII table
    7-12 GIF PS.gz -
    sector 7 1-6 GIF PS.gz - - ASCII table
    7-12 GIF PS.gz B09 -only ped (F) -
    sector 8 1-6 GIF PS.gz B07 - sticky bits,OK - ASCII table
    7-12 GIF PS.gz D04 fee w/ negat ped (F) -
    sector 9 1-6 GIF PS.gz - E03 - ped only (F) ASCII table
    7-12 GIF PS.gz - B07 - only ped (F)
    sector 10 1-6 GIF PS.gz - D06 ped only (F) ASCII table
    7-12 GIF PS.gz - -
    sector 11 1-6 GIF PS.gz C01-03 & C08 double
    ped (not seen here), OK
    B04 sticky bits, OK ASCII table
    7-12 GIF PS.gz - -
    sector 12 1-6 GIF PS.gz - - ASCII table
    7-12 GIF PS.gz - -

    Note:
    * 10E08 has double ped,slope is fine, ped was fixed later in DB.
    * Slope for 11TB04 (sticky bits) was refitted by hand.




    Final absolute tower gains for sectors 1-4, 9-12

    the slopes (listed in ASCII tables) were used to calculate abolute gains.
    Formula : g(ch/GeV) =fac(eta)/slope was used.
    The eta-dependent factor was found based on MIP peak using UxV method for sector 5-8, as described in iteration 5 (the next one).

  • 6 out of 480 towers have no gains:
    - ped only: 01TA09 , 02TB10, 04TB10, 09TE03, 09TB07, 10TD06
    FINAL GAINS FOR 2004 DATA
  • DB format {name, gain, error} gains01tower.dat , gains02tower.dat , gains03tower.dat , gains04tower.dat , gains09tower.dat , gains10tower.dat , gains11tower.dat , gains12tower.dat .
  • Suggested HV change for 2005 run.
    For towers with gain deviation above +/- 10% from the goal gains it is worth change HV. The detailed list of towers with desire gain change factor . Table below summaries # of towers in sectors 1-4 and 9-12 with low/high/ok HV vs. eta bin.
    eta bin high HV low HV OK HV dead in pp200
    1 0 20 20 -
    2 4 7 29 -
    3 3 3 33 1
    4 0 17 23 -
    5 0 26 14 -
    6 0 17 22 1
    7 0 17 22 1
    8 1 26 13 -
    9 1 13 25 1
    10 1 6 31 2
    11 2 9 29 -
    12 2 9 29 -
    sum 14 170 290 6 total=480

    1. Comparison of Y=gains(MIP UxV) vs. X=gain(slopes). One plot for each eta bin. Green diagonal line is Y=X. Blue horizontal line shows ideal gain, dashed +/- 10 %. The range of both axis is the same, fixed to [0,50] ch/GeV. ( PS ).

    2. The ratio of gains(MIP UxV) to gain( slope AuAu200).( PS ).


      Jan's code to display all this plots twGmult.C