Hi, Karen!
I remember this now... I guess what I was trying to say was that I stopped
writing pedestals run by run once that decision was made, even if we have
not started sparsifying yet... but recording them once a day (when those
threshold are ready) is good enough.
Adrian
-------------------------------
Adrian Sindile
Research Assistant
Nuclear Physics Group
University of New Hampshire
phone: (603)862-1691
FAX: (603)862-2998
email: asindile@alberti.unh.edu
http://einstein.unh.edu/~adrian/
On Tue, 6 Jan 2004, Karen Dow wrote:
>
> Actually we're NOT sparsifying the ADCs yet on readout. Pete has
> been working on the code to look at pedestals and calculate an appropriate
> readout threshold. When those look reasonable (i.e. we don't lose real
> signals but we do cut pedestals), we'll use them. Maybe once a day we'll
> use the configuration pedrun to read ALL ADC channels, so we have a daily
> measure of the pedestals.
>
> Karen
>
> At 09:39 PM 1/5/2004 -0500, Adrian T Sindile wrote:
> >Hi, Chi!
> >
> > > 1. blast.sc_cal: I am personally very excited about the calibration Pete
> > > put out. In the mean time, i have the following questions:
> > > adc pedestals: Adrian knows them by heart but unfortunately, they are
> > > not written into blast.sc_cal. It is partly because, I guess, Pete
> > > generates tdc offsets by program which does not know about
> > > pedestals.
> >
> >Following is an email I just retrieved from Blast_Talk. In it I was
> >pointing Tancredi to a file created just for this purpose.
> >I stopped recording pedestals into the database, at Karen's suggestion
> >(they seemed pretty stable, so it was decided to sparsify ADCs).
> >
> >===========================================================================
> >Hi, Tancredi!
> >Here is a file containing the TOF pedestals. It was created on Monday, but
> >the run we looked at was 1048 (which was one of the first e-p runs after
> >the last TOF gain-matching):
> >
> >/home/daq/blast/pro2003/analysis/macros/Raw/raw_adc_landau-1048.dat
> >
> >In the same directory, we also looked at more runs - file
> >raw_adc_landau-3250.dat was created for cosmics run taken on Monday.
> >
> >Adrian
> >===========================================================================
> >
> >
> >
> >Hope this helps, Chi!
> >
> >Adrian
>
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