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

Stepan Stepanyan stepanya at jlab.org
Thu Apr 11 11:47:11 EDT 2019


Dear all,

Here are my suggestions to drop the following histos:
e_rec_mon_312
- 1st in row 2 "electron HTCC Y vs X" (there is one similar at the end)
- 1st in row 3 "electron CC nphe" (there are similar better plots on 
other canvases)
- all "e W vs \phi S*" from row 6

2nd canvas (trig_sect_329)
- 1st row, not sure what are "N clust" and "1st cluster energy", which 
clusters are these ? either remove both (if these are for ECal 
definitely remove) or make it clear. The last graph is also not clear, 
why we need it.
- 2nd row, remove 2nd 4th and 5th graphs
- why we need 6 2D graphs for PCAL XY, can all be in one graph, for 6 
sectors
- why we need 6 2D graphs for HTCC XY, can it be 1  graph for the whole HTCC
- do we really have 5 deuterons or 14 protons per trigger per sector? 
How information in "prot/trig per sector" and "prot/trig" in the last 
row relate to each other
- remove last row, no x-axis

3rd canvas (e_sects_311)
- we do have "\theta vs p" for electrons for each sector in the 1st 
canvas, remove from here or from the first "e_rec_mon_312"
- we never will have LTCC sectors 1 and 4, no need for "LTCC nphe vs 
\theta" (row 10

4th canvas (e_ratio_sects_311)
- what is sect 7

6th canvas (dc_rec_mon_311)
- looking distributions on R1 are perhaps important for analysis, but do 
we really need them here. Propose to remove all R1 theta, phi, p, vz 
distributions
- the same for \phi kick graphs, why they need to be in monitoring
- also why vy distributions, does not give much info

7th canvas (TOF_310)
Whole this set can be dropped, if we are wondering about big time shifts 
due trigger windows or something else, it is enough to have one 1D 
distributions per sector (charge independent)

  Canvas 10 (HTCC_e_310)
It says HTCC but in reality repeats all electron related histograms, in 
somewhat differnet way. Absolutly redondent info, can be removed, the 
whole canvas.


I did not see anything on RF or on beam helicity. Will be good to have some.

Regards, Stepan


On 4/10/19 3:42 AM, silvia at jlab.org wrote:
> 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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>
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