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[Evgeny Shulga <mohaas33 AT gmail.com>]

Hello,

Ross, what do you mean here: "class/wrapper is needed for this histogram"?

Concerning R1 partial readout: Meanwhile, we can leave with what is available but is there an understanding of how the ADCs will be recorded/stored?

Cheers,

Evgeny

Department of Particle Physics and Astrophysics

Weizmann Institute of Science

E-mail: evgeny.shulga AT weizmann.ac.il

About me:  mohaas33.github.io/

Phone: +972536120793

Address: 234 Herzl St. PO Box 26, Rehovot 7610001 Israel

On Thu, Jun 3, 2021 at 4:50 PM Ross Corliss via sPHENIX-calibration-l <sphenix-calibration-l AT lists.bnl.gov> wrote:

I don't know that I see the effect you're discussing, Hugo.  Is that not just the fact that the R1 padrows are closer together than R2 and R3?

-Ross

On Jun 3, 2021, at 9:44 AM, Hugo Pereira Da Costa via sPHENIX-calibration-l <sphenix-calibration-l AT lists.bnl.gov> wrote:

Hi Evgeny,

others should correct me if I am wrong.

That there is nothing between r=20 and r=30 in your second plot is probably because we only read R1 chambers starting from r = 30cm. So you will get no hits for smaller radii.

That your ratio appears significantly larger for the half of the R1 chambers than for the others is unclear.

Hugo

On 6/3/21 7:23 AM, Evgeny Shulga via sPHENIX-calibration-l wrote:

Dear all,
During one of the meetings, it was discussed that it will be interesting to take a look at the tracking with "realistic" gain distribution.

I have produced 20 DST files with gain weighted with the attached distribution

<gain.png>

The files are here:

/sphenix/user/shulga/Work/IBF/macros/detectors/sPHENIX/Files/

It looks like half of the R1 module is not simulated.

Is it a correct statement?

See histogram below. It shows the ratio of weighted and not weighted ADC distributions (it should qualitatively coincide with the gain map).

<ratio_XY_OnPlane_noW_WIBF.png>

Cheers,

Evgeny

Department of Particle Physics and Astrophysics

Weizmann Institute of Science

E-mail: evgeny.shulga AT weizmann.ac.il

About me:  mohaas33.github.io/

Phone: +972536120793

Address: 234 Herzl St. PO Box 26, Rehovot 7610001 Israel

On Tue, Jun 1, 2021 at 3:58 AM Ross Corliss via sPHENIX-calibration-l <sphenix-calibration-l AT lists.bnl.gov> wrote:

Dear Distortions Folks,

Let's meet tomorrow at the usual coordinates and time, 11AM EDT, to discuss the status of TPC distortions software.  I will present a few slides for discussion of TPC alignment.  Other updates are, as always, encouraged.

https://stonybrook.zoom.us/j/94081538941?pwd=Y256N3ptUC9zV2M4cjNtUGgyWnJYdz09

https://indico.bnl.gov/event/12034/

-Ross

==========

Dr. Ross Corliss

If it's work hours, and I'm not in a meeting, feel free to look for me in my virtual office:
https://stonybrook.zoom.us/my/rossoffice?pwd=ZmZ2SlRIMVFvUUJwbUkyOVNVTmE5QT09

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