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THPO066 |
First High Power Test of the ESS High Beta Elliptical Cavity |
cavity, SRF, linac, accelerating-gradient |
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- H. Li, L. Hermansson, M. Jobs, R.J.M.Y. Ruber, R. Santiago Kern
Uppsala University, Uppsala, Sweden
- G. Devanz, T. Hamelin
CEA/DSM/IRFU, France
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ESS, the European Spallation Source, will adopt elliptical multi-cell superconducting cavities with a beta value of 0.86 to accelerate the proton beam up to 2 GeV at the last section of the linac. A 5-cell high-beta cavity for ESS project was tested with high power at FREIA Laboratory. A pulse mode test stand based on a self-excited loop was used in this test. The qualification of the cavity package involved a 5-cell elliptical cavity, a fundamental power coupler, a cold tuning system, LLRF system and a RF station. These tests represented an important verification before the series production. This paper presents the test configuration, RF conditioning history, first high power performance and experience of this cavity package.
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Slides THPO066 [1.437 MB]
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DOI • |
reference for this paper
※ https://doi.org/10.18429/JACoW-LINAC2018-THPO066
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About • |
paper received ※ 14 September 2018 paper accepted ※ 21 September 2018 issue date ※ 18 January 2019 |
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