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Re: [Sphenix-magnet-l] Notification-Results of Superconducting Joint Measurements

From: "Yip, Kin" <kinyip AT bnl.gov>
To: "sphenix-magnet-l AT lists.bnl.gov" <sphenix-magnet-l AT lists.bnl.gov>
Cc: "Sandberg, Jon N" <jsandberg AT bnl.gov>
Subject: Re: [Sphenix-magnet-l] Notification-Results of Superconducting Joint Measurements
Date: Wed, 28 Jun 2023 14:08:20 +0000

HI,

Thanks for posting in the Elog (Project/sPhenix

Are you able to analyze those higher current data (500 A to 4620.3 A) ???

Kin

From: carls AT bnl.gov <carls AT bnl.gov>
Sent: Wednesday, June 28, 2023 9:46 AM
To: Yip, Kin <kinyip AT bnl.gov>
Cc: Schultheiss, Carl <carls AT bnl.gov>
Subject: Notification-Results of Superconducting Joint Measurements

================Attached entry from : [sPhenix] Elog==================

Entry Content:

Jun 28 09:37 Carl Schultheiss,Carl Schultheiss Results of Superconducting Joint Measurements

The graphs show the results of measuring the resistance of three of the four superconducting joints. We took 25 voltage readings at each current and averaged them to estimate the voltage at that current. These points are shown in the graphs. The slope of a linear fit to these points gives the joint resistance. The measured resistances were approximately 6 nanoOhms, 7 nanoOhms, and 6 nanoOhms. The results don't show a large difference in the resistance.

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Re: [Sphenix-magnet-l] Notification-Results of Superconducting Joint Measurements, Yip, Kin, 06/28/2023