DocumentCode
798936
Title
Superconducting Niobium Cavity Measurements at SLAC
Author
Allen, M.A. ; Farkas, Z.D. ; Hogg, H.A. ; Hoyt, E.W. ; Wilson, P.B.
Author_Institution
Stanford Linear Accelerator Center Stanford University, Stanford, California 94305
Volume
18
Issue
3
fYear
1971
fDate
6/1/1971 12:00:00 AM
Firstpage
168
Lastpage
172
Abstract
The program of measurements at SLAC on superconducting niobium cavities is described. Results for TE and TM mode X-band cavities are presented. An RF magnetic breakdown field of 960 gauss and Q values greater than 1011 were measured for an electron beam welded TE011 mode cavity at 10.5 GHz. The best result for a TM mode cavity was a Q of 1.4 × 109 and a breakdown field of 360 gauss, limited probably by the quality of the electron beam weld. Data on the effect of exposure to air and to nitrogen are presented.
Keywords
Electric breakdown; Electron beams; Gaussian processes; Magnetic field measurement; Niobium; Q measurement; Radio frequency; Superconducting magnets; Tellurium; Welding;
fLanguage
English
Journal_Title
Nuclear Science, IEEE Transactions on
Publisher
ieee
ISSN
0018-9499
Type
jour
DOI
10.1109/TNS.1971.4325998
Filename
4325998
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