STAR QA Board

[Tong Liu <tong.liu@yale.edu>]

Hi all,

I just uploaded my slides today with all the bad runs categorized and matched to shift log entries. As usual some of the runs didn't have any correspondence in the shift log, and are probably false alarms. Please take a look and advise.

Cheers,

Tong Liu

Ph.D. Student '2023 

Physics Dept., Yale University

Tel: 203-435-2130

On Fri, Apr 30, 2021 at 2:15 PM Benjamin Kimelman via STAR-QAboard-l <star-qaboard-l@lists.bnl.gov> wrote:

Hello all,

After the discussion we had this morning regarding the jumps in the mean run dE/dx I made a plot of the mean event dE/dx vs time as Flemming requested. I put together a few slides on this and uploaded them to today's meeting on Drupal. You can also find the slides here: https://drupal.star.bnl.gov/STAR/system/files/High_dEdx_Investigation.pdf

It seems like the mean (event) dE/dx does start high and decrease back toward the nominal value over the course of this single run. There are fewer statistics for these later times though so it is hard to say for certain exactly what is happening.

Ben Kimelman

Ph.D. Candidate, Nuclear Physics Group

UC Davis

He/him/his

On Thu, Apr 29, 2021 at 9:25 AM Frank Geurts via STAR-QAboard-l <star-qaboard-l@lists.bnl.gov> wrote:

Hi,


We will have our Run21 QA meeting tomorrow (Friday) at noon (EST).

=> I would like to ask the PWG delegates to start preparing separate set of slides that combine past reports and give a summary in terms of proposed good/bad event selection criteria, and associated total event statistics. Tomorrow might be bit too early, but it would be good to have by next week.


Meeting details, including the Zoom link can be found at the following event link:

https://drupal.star.bnl.gov/STAR/event/2021/04/30/run-21-qa-board-meeting





Thanks,

-Frank



Topic: STAR QA Board
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Frank Geurts   (he/him/his)
Professor of Physics   • Rice University, Houston TX
T.W. Bonner Nucl. Lab. • Dept. of Physics & Astronomy
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