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star-qaboard-l - Re: [STAR-QAboard] ** different time ** QA meeting, tomorrow at 3h30 pm

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  • From: "Van Buren, Gene" <gene@bnl.gov>
  • To: "Videbaek, Flemming" <videbaek@bnl.gov>
  • Cc: Frank Geurts via STAR-QAboard-l <star-qaboard-l@lists.bnl.gov>
  • Subject: Re: [STAR-QAboard] ** different time ** QA meeting, tomorrow at 3h30 pm
  • Date: Sun, 23 May 2021 03:36:30 +0000

Hi, Flemming

I've been seeing issues with these rows since 2004 or earlier I believe it to
be an issue with the anode wires there.

https://drupal.star.bnl.gov/STAR/blog/genevb/2009/aug/11/sector-5-anomaly
https://drupal.star.bnl.gov/STAR/blog/genevb/2009/sep/17/sector-5-gains-over-years

-Gene


> On May 22, 2021, at 3:55 PM, videbaek <videbaek@bnl.gov> wrote:
>
> Hi all and in particular Lanny
>
> You brought up the feature that sector 5 in rows ~64,65 seems inefficient
> in the cluster ADC plot.
> I looked at the runs you mentioned and indeed already in ADC value the
> signal is reduced.
> It has taken some digging, but looking back 1.5 years!! I see that I the QA
> files I have (selected runs only)
> these all have a weak ADC response vs. padrow, and time bin too It has
> though changed slowly over time
> and in particular since the run that was mentioned Friday more hits /charge
> show up near the GG timing start.
> I suspect that there are issue developing over time with the ABDB board
> making the it more pronounced
> developing poor response.I suspect it has possibly been present throughout
> the life of the outer sector.
>
> I will put together a blog page for next week.
>
> best Flmming
>
>
> On 2021-05-20 12:05, Frank Geurts via STAR-QAboard-l wrote:
>> Dear All,
>> To accomodate those that are attending the SQM2021 conference, we will
>> shift our QA meeting to 3h30pm EDT. This is very late/early for those
>> that attend from timezones in India/China - so please do not feel
>> obliged to do so: only posting your reports to drupal will be fine.
>> Meeting details, including the Zoom link can be found at the following
>> event link:
>> https://drupal.star.bnl.gov/STAR/event/2021/05/21/run-21-qa-board-meeting
>> Best,
>> -Frank
>> Topic: STAR QA Board
>> Time: This is a recurring meeting Meet anytime
>> Join Zoom Meeting
>> https://urldefense.com/v3/__https://riceuniversity.zoom.us/j/95314804042?pwd=ZUtBMzNZM3kwcEU3VDlyRURkN3JxUT09__;!!P4SdNyxKAPE!WKaSoVMpheNPvDWKFd2RFy9I9iWxc-b0ByAasf_IStAXEJDii_uyN5NrF1j4BeOr-Z9Eo22YpbE$
>> Meeting ID: 953 1480 4042
>> Passcode: 2021
>> _______________________________________________
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>> STAR-QAboard-l@lists.bnl.gov
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>
> --
> Flemming Videbaek
> senior scientist
> videbaek @ bnl.gov
> Brookhaven National Lab
> Physics Department
> Bldg 510D
> Upton, NY 11973
>
> phone: 631-344-4106
> cell : 631-681-1596





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