STAR QA Board

["Van Buren, Gene" <gene@bnl.gov>]

I indeed missed it and just learned about it now by reading this thread. 
Database updated, and we'll reprocess the run.

Thanks,
-Gene


> On Jul 30, 2020, at 11:28 PM, Benjamin Kimelman via STAR-QAboard-l 
> <star-qaboard-l@lists.bnl.gov> wrote:
> 
> Hi Rosi,
> 
> I agree. I think many of us were caught unaware of the fact that we were 
> going to collect FXT data. Now that we know it is a possibility during CeC 
> running, I hope we can set the vertexing correct for the future.
> 
> Ben Kimelman
> Ph.D. Candidate, Nuclear Physics Group
> UC Davis
> He/him/his
> 
> 
> On Thu, Jul 30, 2020 at 8:20 PM Rosi Reed <rosijreed@lehigh.edu> wrote:
> Hi Ben,
> 
> We could ask Gene to change the settings - and then perhaps have
> another small production done in order to give you something to
> analyze from the whole data set.  I suppose we will be doing this
> again so probably can have the FXT settings loaded for the CeC running
> in the future.
> 
> Cheers,
> 
> Rosi
> 
> On Thu, Jul 30, 2020 at 7:52 PM Benjamin Kimelman via STAR-QAboard-l
> <star-qaboard-l@lists.bnl.gov> wrote:
> >
> > Hi QA board,
> >
> > Yesterday evening we had one run of 26.5GeV FXT data during CeC running. 
> > You can look at my QA for that one run here: 
> > https://www.star.bnl.gov/protected/lfsupc/bkimel/run20QA/AuAu_26p5GeV_FXT/day211/AuAu_26p5GeV_FXT_run_21211028_QA.pdf
> >
> > There are a few things I want to point out:
> >
> > The vertexing algorithm was not adjusted for FXT (I'm guessing that Gene 
> > didn't know that we were going to take FXT data and didn't change the 
> > algorithm, but I only found out at the end of the run)
> > On slides 7&8, the right column shows only tracks that have dE/dx<1. In 
> > 2019, we had seen an issue with a large number of tracks having dE/dx<1, 
> > which is why these QA plots exist. This seems to be a similar issue, 
> > although it appears that the particle bands in dE/dx are very wide. I 
> > cannot remember the cause of this, but I will look back through emails to 
> > identify that before we meet tomorrow.
> > On slide 5, we can see shadow bands in the eToF 1/beta and mass 
> > distribution, which shows that it is not properly calibrated.
> >
> > Ben Kimelman
> > Ph.D. Candidate, Nuclear Physics Group
> > UC Davis
> > He/him/his
> > _______________________________________________
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> 
> 
> 
> -- 
> Rosi Reed
> RHIC/AGS UEC member
> Associate Professor, Physics Department
> Lehigh University
> (610)758-3907
> 16 Memorial Drive East Office 406
> Bethlehem, PA 18015
> she/her/hers
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