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RIS citation export for TUPO040: Tests of Multi-frequency Coaxial Resonators

AU  - Yao, Z.Y.
AU  - Keir, J.J.
AU  - Kolb, P.
AU  - Kong, A.
AU  - Laxdal, R.E.
AU  - Matheson, B.
AU  - Thoeng, E.
AU  - Waraich, B.S.
AU  - Zheng, Q.
AU  - Zvyagintsev, V.
ED  - Schaa, Volker RW
ED  - Pei, Guoxi
ED  - Chin, Yong Ho
ED  - Fu, Shinian
ED  - Zhao, Ning
TI  - Tests of Multi-frequency Coaxial Resonators
J2  - Proc. of LINAC2018, Beijing, China, 16-21 September 2018
CY  - Beijing, China
T2  - Linear Accelerator Conference
T3  - 29
LA  - english
AB  - A significant issue in low beta resonators is medium field Q-slope (MFQS) at 4K. To study the MFQS and the field dependence of surface resistance in low beta resonators, a quarter-wave resonator (QWR) and a half-wave resonator (HWR) were designed to be tested at integer harmonic frequencies of 200MHz, and up to 1.2GHz. A series of chemistry and heat treatments are proposed to these cavities. A systemic study on the surface resistance of the coaxial resonators associating with post-processing, RF field, and frequency is in progress. The cavities were designed and fabricated. The cold test results will be discussed in this paper.
PB  - JACoW Publishing
CP  - Geneva, Switzerland
SP  - 420
EP  - 422
KW  - cavity
KW  - niobium
KW  - rf-amplifier
KW  - controls
DA  - 2019/01
PY  - 2019
SN  - 2226-0366
SN  - 978-3-95450-194-6
DO  - DOI: 10.18429/JACoW-LINAC2018-TUPO040
UR  - http://jacow.org/linac2018/papers/tupo040.pdf
ER  -