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Design and Cold Model Test of 500 MHz Damped Cavity for ASP Storage Ring RF System

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12 Author(s)
J. Watanabe ; TOSHIBA Corporation, Yokohama 235-8523 Japan ; K. Nakayama ; K. Sato ; H. Suzuki
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TOSHIBA is manufacturing the storage ring RF system for the Australian Synchrotron Project(ASP). Two pairs of the 500MHz Higher Order Mode(HOM) damped cavities will be applied for this system. The cavity is a modified KEK-PF type with silicon-carbide(SiC) microwave absorber and has three rod-shaped HOM couplers for damping the longitudinal HOM impedance less than 20kΩ/GHz to comply with ASP Performance Specification. The shunt impedance has been improved more than 5% in comparison with the original design by reducing the beam bore diameter without degrading HOM damping capability. The design of the cavity and the test results of an aluminum (Al) cold model are described.

Published in:

Proceedings of the 2005 Particle Accelerator Conference

Date of Conference:

16-20 May 2005