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- From: Richard Witt <witt AT usna.edu>
- To: Star-tpc L <Star-tpc-l AT lists.bnl.gov>
- Subject: [[Star-tpc-l] ] TPC Meeting Minutes
- Date: Thu, 23 Oct 2025 12:20:38 -0400
Present: Alexei, Jim, Flemming, Yuri, Gene, and myself == Hardware — used access to tune sensor for air flow — cathode dropped yesterday during the storm — may not be due to the flow sensor itself? — want to count beam dumps before and after
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Present: Alexei, Jim, Flemming, Yuri, Gene, and myself
== Hardware
— used access to tune sensor for air flow
— cathode dropped yesterday during the storm
— may not be due to the flow sensor itself?
— want to count beam dumps before and after kicker repair
— RHIC has experienced more uncontrolled beam loss since repair
— maybe due to other changes made by control after repair? timing changes?
— now tuning drift velocity
== Electronics
— still the usual losses and repairs of RDOs and FEEs ((usual 15% dead on average)
— one TPX sector masked out
== Software
— increased stats by factor 10 in transverse diffusion work
— updating hit errors for DAQ5000 work
— yesterday noticed drift velocity drop in lasers
— was confirmed by additional laser runs
— Alexei still tuning DV as mentioned above
== AOB
— Results of PAC suggest a possibility that we may run another 12 weeks
— open question about any systems that might not survive an additional 12 weeks
— answer from group seems to be no (we have enough methane until ~20th of Dec.)
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
United States Naval Academy Email: witt AT usna.edu
~~~***~~~***~~~***~~~***~~~***~~~***~~~***~~~***~~~***~~~***~~~***~
"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
United States Naval Academy Email: witt AT usna.edu
~~~***~~~***~~~***~~~***~~~***~~~***~~~***~~~***~~~***~~~***~~~***~
-
[[Star-tpc-l] ] TPC Meeting Minutes,
Richard Witt, 10/16/2025
- <Possible follow-up(s)>
- [[Star-tpc-l] ] TPC Meeting Minutes, Richard Witt, 10/23/2025
- [[Star-tpc-l] ] TPC Meeting Minutes, Richard Witt, 10/30/2025
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