[Pansophy] LCLS2 cavity eccentricities
Megan McDonald
megan at jlab.org
Thu Sep 8 15:13:38 EDT 2022
Michelle,
For LCLS2, I made travelers that pulled in the vendor data from Zanon and RI (pictured below). My thought was to figure out what the field names are that these were taken in, we can do a user defined query. I don't really know which "holdpoint" these values came in. If you could figure out what fields this data went in, I can help with the data retrieval
[cid:image003.png at 01D8C395.90F246D0]
Megan
From: Michelle Oast <weinmann at jlab.org>
Sent: Thursday, September 8, 2022 1:20 PM
To: Megan McDonald <megan at jlab.org>; Valerie Bookwalter <bookwalt at jlab.org>
Cc: Gary Cheng <cheng at jlab.org>
Subject: LCLS2 cavity eccentricities
Hi Megan and Valerie,
Gary and I are working on defining a possible issue with LCLS2 cavity alignment. In order to determine the severity of the problem, I need to know the most eccentric cavities from the LCLS2 cryomodules. I'm hoping either of you could produce something similar to the plots below (pg. 36 of attached tech note):
[cid:image002.png at 01D8C395.913DF5D0]
At the top is the vendor data (I've attached an example excel sheet) and the bottom are plots including the eccentricities for all cavities produced by each vendor (what I'd like to have). The cavity vendor eccentricity data sheets from L2 are linked below, please let me know if you have issues accessing.
RI Hold Point Data<https://jeffersonlab.sharepoint.com/:f:/r/sites/LCLS-IICryomodules/Shared%20Documents/SRF%20Cavities/Cavities-RI/RI%20Hold%20Point%20Data?csf=1&web=1&e=NteYxj>
Zanon Hold Point Data<https://jeffersonlab.sharepoint.com/:f:/r/sites/LCLS-IICryomodules/Shared%20Documents/SRF%20Cavities/Cavities-Zanon/Zanon%20Hold%20Point%20Data?csf=1&web=1&e=cuJddq>
If you have any questions please let me and Gary know.
Thanks,
Michelle
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