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[videbaek <videbaek AT bnl.gov>]

Hi for your info
I added Jim's comment to the minutes on the 'tpc minutes page
https://drupal.star.bnl.gov/STAR/subsys/tpc/tpc-group-meetings

-F

On 2024-01-04 12:23, Richard Witt via Star-tpc-l wrote:
> Present: Tommy, Gene, Jim, Flemming, Yuri, and myself
>
> == Hardware
>  — Nothing new reported, Alexei back next week
>
> == Electronics
>  — Tim and Tonko started working on outstanding issues (replacing
> cables, fuses, etc.)
>
> == Software
>  — TPC survey was done, Yuri does not yet have results he needs from
> the survey
>  — they were promised to him for next week
>  — Yuri revisited alignment based on the studies shown by Rongrong
> before the holidays
>  — was some T0 change that was not accounted for and exploring
> alignment parameters
>  — would like to have alignment done for all of past 5 years
>  — Tommy working on TPC RS
>  — comparing DAQ 5k and DAQ 1000
>
> == AOB
>  — Gene looking at field cages shorts from past couple years
>  — spotted a sharp jump of ~15 volts in central membrane voltage
>  — decayed down by ~5 volts over a few days
>  — all 4 field cage currents showed a sharp rise at the same time
> though the decay profile was different
>
> Best Regards,
>   Richard
>
> Sent from my iPad
> --
> "Education is the most powerful weapon which you can use to change
> the world."
>
> --Nelson Mandela
>
> ~~~***~~~***~~~***~~~***~~~***~~~***~~~***~~~***~~~***~~~***~~~***~
>  Richard Witt, Professor of Physics     Phone (USNA): 410-293-6675 [1]
>     United States Naval Academy         Email: witt AT usna.edu
> ~~~***~~~***~~~***~~~***~~~***~~~***~~~***~~~***~~~***~~~***~~~***~
>
> Links:
> ------
> [1] tel:410-293-6675
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--
Flemming Videbaek
senior scientist, emeritus
videbaek @ bnl.gov
Brookhaven National Lab
Physics Department
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Upton, NY 11973

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