| Paper |
Title |
Page |
| THP056 |
Design of 325-MHz Single and Triple Spoke Resonators at FNAL
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707 |
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- I. G. Gonin, G. Apollinari, T. K. Khabiboulline, G. Lanfranco, G. Romanov
Fermilab, Batavia, Illinois
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We present the design of two 325 MHz superconducting single spoke resonators at β=0.22 and β=0.4 and a 325 MHz superconducting triple spoke resonator at β=0.62 for the front end of a 2 MW proton linac. We describe the optimization of the spoke resonator electromagnetic performance and how the resonator structural integrity and shape is ensured. We describe the mechanical design of the slow tuner mechanism and, via a coupled ANSYS-MWS analysis, how the mechanism adjusts the resonator operating frequency. The RF design of the power coupler is also presented
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| THP057 |
Design of Normal Conducting 325-MHz Crossbar H-Type Resonators at Femirlab
|
710 |
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- L. Ristori, I. G. Gonin, T. K. Khabiboulline, G. Romanov
Fermilab, Batavia, Illinois
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The warm section of the proposed High Intensity Neutrino Source at Fermilab is designed to accelerate H- ions and protons from 2.5 MeV to 10 MeV (β=0.0744 to β=0.1422). After the ion source, the beam will travel through a radio frequency quadrupole, a medium energy beam transport (two buncher cavities and a chopper) and finally 16 normal-conducting resonators, all separated by superconducting solenoids in individual cryostats. Over 10 MeV the design uses superconducting resonators and solenoids in common cryomodules. In this paper the electromagnetic design and optimization of all the 325 MHz Crossbar H-type normal-conducting resonators is presented. The mechanical design, performance and fabrication of the first prototype (β=0.0744) is presented in detail. The design of the prototype for the input coupler that will be used in the resonators is included.
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