STAR QA Board

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

There are still a few jobs running, but many have finished if anyone wants to 
take a quick look before the noon QA meeting.

-Gene


> On Jul 30, 2020, at 11:58 PM, Van Buren, Gene via STAR-QAboard-l 
> <star-qaboard-l@lists.bnl.gov> wrote:
> 
> 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
>>> _______________________________________________
>>> STAR-QAboard-l mailing list
>>> STAR-QAboard-l@lists.bnl.gov
>>> https://lists.bnl.gov/mailman/listinfo/star-qaboard-l
>> 
>> 
>> 
>> -- 
>> 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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