STAR QA Board

[Frank Geurts <geurts@rice.edu>]

Hi,

As was mentioned last week, with DNP meeting in full swing we will not have a 
QA board meeting tomorrow. Our next meeting will be on Friday Nov. 6. 
Meanwhile, please use this list to share any recently updated QA reports.

Best,

-Frank



> On Oct 22, 2020, at 3:13 PM, Frank Geurts via STAR-QAboard-l 
> <star-qaboard-l@lists.bnl.gov> wrote:
> 
> Hello QA-board,
> 
> This week (and next week’s) QA board meeting will overlap with the RHIC/AGS 
> Users’s Meeting (and APS Fall meeting, resp.). Insead of a meeting, please 
> post to and/or follow-up on any QA items.
> 
> Specifically, Yingjie has posted an update on her comparison between the 
> SL18c and SL20c-based 54GeV productions.
> 
> Her slides can be found here [1] and in addition to ratios now shows 
> absolute differences in (normalized) yields for a number of observables. 
> While most differences are identifical to zero, she does show that for 
> primary track pt, eta, nHitsfit, nHitsPoss, and nHitsdEdx some differences 
> exist that should probably be understood before proceeding with the removal 
> of the older dataset.
> 
> Yingjie, thank you for your update. Can you remind me what we are to learn 
> from slides 16-18? I see a single data point (run-index) per histogram. Are 
> data for the other run indices outside the range of the y-axis? 
> 
> Also, to help us better appreciate what we see, can somebody summarize  
> between SL18c and SL20c?
> 
> 
> Thanks,
> 
> -Frank
> 
> 
> [1] https://drupal.star.bnl.gov/STAR/system/files/201022HF_54p7.pdf
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