[Clas12_calcom] [EXTERNAL] RG-D Pass0 Timelines

[Lamiaa El Fassi]

Hi, Dan, all,

The location of RG-D Pass0.1 reconstructed files is /volatile/clas12/rg-d/
production/pass0.1.

Thanks,

Lamiaa

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* Assoc. Prof. Lamiaa El Fassi  /  email: le334 at msstate.edu
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On Thu, Oct 19, 2023 at 6:09 PM Daniel Carman <carman at jlab.org> wrote:

> Lamiaa,
>
> For the most part things are in decent shape carrying over the calibration
> constants from RG-C in November 2022
> and projecting them into the RG-D run range. What is see is very much what
> I expected. There are some things to
> note from my perspective looking at things quickly:
>
> 1) DC - residual means relative constant vs. run number but shifts up to
> 300 microns. sigmas are already in spec.
> 2) FTOF - energy calibration needs adjustment. panel-1b timing within
> +/-40 ps of nominal. Resolution out of spec
> due to poor energy calibration (which affects time walk correction).
> 3) r18360-18369 - S2 problem needs investigation
> 4) CTOF - timing is a mess. Is this because of event selection not
> associated with the electron trigger?
> 5) EC- empty plots for r18432-18474. Why? Otherwise sampling fraction is
> reasonable. Timing shifted by 250 ps
> before r18401.
> 6) HTCC - gain and timing pretty good. However, S2 is missing in a lot of
> the plots.
> 7) CND - timing within 100 ps with a slow worsening drift vs. run number.
>
> Seems S2 is a significant problem across a sizeable fraction of the run
> range. We can talk about this tomorrow at
> CALCOM.
>
> Regards,
> Daniel
>
> On Oct 19, 2023, at 6:48 PM, Lamiaa El Fassi via Clas12_calcom <
> clas12_calcom at jlab.org> wrote:
>
> Dear Detectors/Calibration Experts,
>
> Thanks to Nathan and Mikhail, we finally have the first RG-D Pass 0
> timelines up and running; please see this link:
>
> https://clas12mon.jlab.org/rgd/pass0.1/tlsummary/
>
> Please check your subsystem and let us know what you think about the
> quality of the first online calibration of RG-D inbending and
> outbending runs. I believe some subsystems are in better shape than others,
> but I am eager to hear your opinion and make a plan for the step forward.
>
> Best,
>
> Lamiaa
>
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> * Assoc. Prof. Lamiaa El Fassi  /  email: le334 at msstate.edu
> **************************************************************************
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> <carman at jlab.org>
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