Actions for Progress on the high-current 704 MHz superconducting RF cavity at BNL [electronic resource].

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Progress on the high-current 704 MHz superconducting RF cavity at BNL [electronic resource].

Published
Washington, D.C. : United States. Dept. of Energy. Office of Science, 2012.
Oak Ridge, Tenn. : Distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy.
Additional Creators
Brookhaven National Laboratory, United States. Department of Energy. Office of Science, and United States. Department of Energy. Office of Scientific and Technical Information
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Summary
The 704 MHz high current superconducting cavity has been designed with consideration of both performance of fundamental mode and damping of higher order modes. A copper prototype cavity was fabricated by AES and delivered to BNL. RF measurements were carried out on this prototype cavity, including fundamental pass-band and HOM spectrum measurements, HOM studies using bead-pull setup, prototyping of antenna-type HOM couplers. The measurements show that the cavity has very good damping for the higher-order modes, which was one of the main goals for the high current cavity design. 3D cavity models were simulated with Omega3P code developed by SLAC to compare with the measurements. The paper describes the cavity design, RF measurement setups and results for the copper prototype. The progress with the niobium cavity fabrication will also be described.
Report Numbers
E 1.99:bnl--96823-2012-cp
bnl--96823-2012-cp
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Note
Published through SciTech Connect.
05/20/2012.
"bnl--96823-2012-cp"
"KB0202011"
2012 International Particle Accelerator Conference (IPAC 2012); New Orleans, LA; 20120520 through 20120525.
Ben-Zvi, I.; Belomestnykh, S.; Xu W.; Astefanous, C.
Funding Information
DE-AC02-98CH10886
KBCH139
18074
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