| Paper |
Title |
Page |
| TUPKF022 |
Constructionand Testing of the Beta=0.31, 352 MHz Superconducting Half-wave Resonator for the SPES Project
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1012 |
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- A. Facco, W. Lu, F. Scarpa
INFN/LNL, Legnaro, Padova
- E. Chiaveri, R. Losito
CERN, Geneva
- V. Zviagintsev
TRIUMF, Vancouver
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The interest in low- and medium- beta superconducting cavities is presently focused to future high intensity proton, deuteron and heavy ion linacs. A particular application is acceleration of cw and pulsed beams of variable q/A, which requires cavities with a small number of gaps and excellent mechanical stability. We have designed and constructed a 2 gap, 352 MHz SC half wave cavity aiming to similar characteristics and fitting the requirements of the intermediate-beta section of the LNL-SPES driver. The status of the project and the first test results will be presented.
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| TUPKF023 |
Construction of a 161 MHz, beta=0.16 Superconducting QWR with Steering Correction for RIA
|
1015 |
| |
- A. Facco, W. Lu, F. Scarpa
INFN/LNL, Legnaro, Padova
- E. Chiaveri, R. Losito
CERN, Geneva
- T.L. Grimm, W. Hartung, F. Marti, R.C. York
NSCL, East Lansing, Michigan
- V. Zviagintsev
TRIUMF, Vancouver
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We have built a 161 MHz, b=0.16 superconducting Quarter Wave Resonator with steering correction for the low beta section of RIA. This bulk niobium, double wall cavity, compatible with both separate vacuum between beam line and cryostats or unified one, was designed in collaboration between MSU-NSCL and LNL. The design is suitable for extension to other frequencies, e.g. to obtain the 80 MHz, beta=0.085 cavity required in RIA. The shaped drift tube allows correction of the residual QWR steering that can cause emittance growth especially in light ions; this could make this resonator a good alternative to Half-Wave resonators in high intensity proton-deuteron linacs, like the SPES injector project at LNL. First test results will be presented.
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