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[Hugo Pereira Da Costa <hugo.pereira-da-costa AT cea.fr>]

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

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).

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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