STAR QA Board

["Ting Lin" <tinglin@sdu.edu.cn>]

Hi all:

A brief minutes for today's meeting:
https://drupal.star.bnl.gov/STAR/comp/qa/pwg-qa/run-22-qa

For Run-22 offline QA:
>From Lanny Ray: 
1. On day 008, (last Saturday) iTPC 8, RDO 4 was masked, but possibly without 
rebooting the processor, resulting in what appears as a low number of hits in 
several runs, e.g. run 23008086. -> This will be discussed in the TPC 
meeting. 
2. Run 23009044 had an excess number of clusters for eta < 0
3. On day 012 a new spike appeared at ~5 units (GeV?) in the BTOW cluster 
energy distribution, e.g. run 23012073. It looks like a new hot towers in 
BEMC, and it is persist till the latest run.
4. On day 012, one tray in the MTD was masked out in backleg 3, channels > 
48, e.g. run 23012073: -> This will be mask out through the run.

>From pwg: 
1. Bassam found that some of the MuDst files have IO problem. FCS clustering 
in the production chain may be the reason (it was took out after day 008, 
then things look normal). But what happened at 364 is not understood, as FCS 
options were already included before this date.
3. Continue to see vertex difference TPC Vz - VPD Vz = 4cm
4. The signed DCA has large variations, and there are some small difference 
in proton mass and kaon mass for the positive and negative charges.-> The 
space charge is not well-calibrated, this maybe the reason..

For BES-II 14.6GeV data QA:
1. 369 Injection runs(~ 25.2%) excluded and No pile-up rejection
2. 116 bad runs(~7.92%) flagged.
3. A few inconsistencies between Ashik and Li-Ke could be due to uncertain 
rcf behaviour in reading the events

Best,
Ting

> -----Original Messages-----
> From: "Ting Lin" <tinglin@sdu.edu.cn>
> Sent Time: 2022-01-13 14:01:28 (Thursday)
> To: "star-qaboard-l@lists.bnl.gov" <star-qaboard-l@lists.bnl.gov>
> Cc: 
> Subject: QA Board Meeting January 14
> 
> Hi all:
> 
> We will have a QA board meeting tomorrow at noon BNL time, 
> https://drupal.star.bnl.gov/STAR/comp/qa/pwg-qa/run-22-qa
> 
> If you have slides to show, please link to the meeting page (in below link) 
> or send it to me.
> https://drupal.star.bnl.gov/STAR/event/2022/01/14/QA-Board-Meeting
> 
> Join ZoomGov Meeting:
> https://urldefense.com/v3/__https://bnl.zoomgov.com/j/1618435669?pwd=L3B6M3JKcjRFMVFxQTNhaEdBdkZ5UT09__;!!P4SdNyxKAPE!T6x2PdrMkGGK4iletnX8OnzBXePG2ZkyJQREEPNvgHwozQk-85ZxeCp6gJO6tTSpy2Xse-sWwik$
>  
> Meeting ID: 161 843 5669
> Passcode: 194299
> 
> Thanks and Happy New Year!
> Ting