[Clas12_rgb] Detector experts, please provide feedback on: a tentative set of offline monitoring histograms

silvia at jlab.org silvia at jlab.org
Wed Apr 10 03:42:59 EDT 2019


Dear Yordanka,
thank you very much for actively looking into this. To explain to the
whole list (to which I have added the various detectors' contact people
that may not be in clas12_rgb), we are trying to optimize the
reconstructed file size for the upcoming pass0 processing. The
"monitoring" mode takes up the biggest space, so Yordanka is looking into
reducing the set of monitoring histograms to the really necessary ones
(mainly in the perspective of timelines), to minimize the banks needed for
the cooked files.

I encourage detector experts to please look into these plots, and provide
Yordanka with feedback shortly. We'd like to converge both on the
monitoring histograms and on the timelines quickly, to be able to start
pass0 very soon.

I see no histograms for BAND and the RICH. Florian and Marco (a random
one): please provide feedback to Yordanka on this, if you're interested in
monitoring quantities related to your detector during pass0.

For the rest, Yordanka, I'll send you some other minor comments in a
private email not to saturate the mailing list.

Best regards,
Silvia


> Dear Colleagues,
>
> I have posted a v0 of a condensed set of offline monitoring plots at
> https://logbooks.jlab.org/entry/3677435 for your perusal. This set would
> be produced for each run during the next pass at the data (10 files per
> run).
>
> For the runs where we will process all the files, extra histograms will
> be added, such as missing and invariant masses of the few reaction
> channels we have seen in the past, i.e. epi+X, epi-X, epi+pi-X (for both
> d and p targets).
>
> Let me know if you think any important histogram is missing or if there
> are histograms in the set that should be removed. For example, do we
> want all the CVT histograms? Do we want all the 1-D distributions of
> CTOF timing (with SVT matching)?
>
> The 1D mass distributions per sector that I have still kept, will be
> combined into one mass distribution for each panel and particle charge,
> once we have the pion and the proton peak positions in the timelines.
>
> Let me know what you think.
>
> A tentative set of timelines will be coming soon.
>
> Best regards, Yordanka
>
>
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