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sphenix-maps-l - [Sphenix-maps-l] second half barrel tested

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Subject: sPHENIX MAPS tracker discussion

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  • From: "Schambach, Jo" <schambachjj AT ornl.gov>
  • To: "sphenix-maps-l AT lists.bnl.gov" <sphenix-maps-l AT lists.bnl.gov>
  • Subject: [Sphenix-maps-l] second half barrel tested
  • Date: Wed, 26 Oct 2022 15:02:34 +0000

Cameron, Zhaozong and I completed the “fast” stave test on all staves of the second half barrel this morning. All staves tested “gold”. So the transport did not seem to have damaged anything. There was one stave which had the analog power firefly connector slightly detached, but after pushing it back in, that stave responded properly as well.

During our cooling loop tests yesterday we discovered one stave where the PT100 measured around 154 Ohms (instead of around 112 Ohms as compared to the other staves). We are not sure what the problem is with that one.

The surveyors will 3d-scan the barrel later today at 1p

 

Jo

 

--

Joachim Schambach

Oak Ridge National Laboratory

PO Box 2008

Bldg. 6000,  MS 6368

Oak Ridge, TN 37831-6368

Phone: (865) 341-0694

Email: schambachjj AT ornl.gov

 




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