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RIS citation export for TUPO051: Design Considerations of a Balloon-shaped SSR Superconducting Cavity

TY  - CONF
AU  - Cha, H.J.
AU  - Jang, S.W.
AU  - Kim, E.-S.
AU  - Kim, K.R.
AU  - Park, S. H.
AU  - Yoon, J.Y.
ED  - Schaa, Volker RW
ED  - Pei, Guoxi
ED  - Chin, Yong Ho
ED  - Fu, Shinian
ED  - Zhao, Ning
TI  - Design Considerations of a Balloon-shaped SSR Superconducting Cavity
J2  - Proc. of LINAC2018, Beijing, China, 16-21 September 2018
CY  - Beijing, China
T2  - Linear Accelerator Conference
T3  - 29
LA  - english
AB  - A single spoke resonator (SSR, β = 0.51 and f = 325 MHz) is being developed at Korea University. It is well-known that a traditional spoke cavity having flat or round end walls has broad multipacting ranges in acceleration gradient, sometimes including operation region. In general, quite long conditioning time is consumed to overcome such multipacting barriers. In this study, we introduce a balloon-shaped SSR superconducting cavity for the multipacting mitigation due to structural simplicity. The electromagnetic modeling of the SSR was made based on the RF parameter optimization. The simulation results show much narrower multipacting bandwidth, compared to those for the traditional spoke cavity. Mechanical analyses with stiffening structure at maximum allowable working pressures indicate acceptable stresses at the SSR cavity wall. In addition, the resonant frequency shifts due to fabrication and processing for cold tests are predicted and power coupling and tuning mechanism are also investigated.
PB  - JACoW Publishing
CP  - Geneva, Switzerland
SP  - 448
EP  - 450
KW  - cavity
KW  - simulation
KW  - distributed
KW  - electron
KW  - multipactoring
DA  - 2019/01
PY  - 2019
SN  - 2226-0366
SN  - 978-3-95450-194-6
DO  - DOI: 10.18429/JACoW-LINAC2018-TUPO051
UR  - http://jacow.org/linac2018/papers/tupo051.pdf
ER  -