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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Arkan, T. Bauer, P. Bellantoni, L. Boffo, C. Borissov, E. Carter, H. Edwards, H. Foley, M. Gonin, I. Khabibouline, T. Mishra, S. Mitchell, D. Polubotko, V. Rowe, A. Terechkine, I. Solyak, N. |
| Copyright Year | 2005 |
| Description | Author affiliation: Fermilab, Batavia, IL 60510, U.S.A (Arkan, T.) |
| Abstract | A superconducting third harmonic 3.9 GHz accelerating cavity was proposed to improve the beam quality in the TTF-like photoinjector[1]. Fermilab has developed, built and tested several prototypes, including two copper 9-cell cavities, one niobium 3-cell cavity, and one 9-cell cavity. The helium vessel and frequency tuner for the 9-cell cavity was built and tested as well. In cold tests, we achieved a peak surface magnetic field of ∼ 100mT, well above the 70mT specification. The accelerating gradient was likely limited by thermal breakdown. Studies of the higher order modes in the cavity revealed that the existing cavity design with two HOM couplers will provide sufficient damping of these modes. In this paper we discuss the cavity design, results of the studies and plans for further development. |
| Starting Page | 3825 |
| Ending Page | 3827 |
| File Size | 687888 |
| Page Count | 3 |
| File Format | |
| ISBN | 0780388593 |
| DOI | 10.1109/PAC.2005.1591636 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2005-05-16 |
| Publisher Place | USA |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Acceleration Testing Particle beams Prototypes Copper Niobium Helium Frequency Tuners Magnetic fields |
| Content Type | Text |
| Resource Type | Article |
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