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TY - CONF AU - Nakazawa, Y. AU - Hasegawa, K. AU - Hayashizaki, N. AU - Iinuma, H. AU - Iwashita, Y. AU - Iwata, Y. AU - Kawamura, N. AU - Kitamura, R. AU - Kondo, Y. AU - Mibe, T. AU - Morishita, T. AU - Otani, M. AU - Saito, N. AU - Sue, Y. AU - Yamazaki, T. AU - Yasuda, H.Y. AU - Yoshida, M. ED - Boland, Mark ED - Tanaka, Hitoshi ED - Button, David ED - Dowd, Rohan ED - Schaa, Volker RW ED - Tan, Eugene TI - Development of Inter-Digital H-Mode Drift-Tube Linac Prototype with Alternative Phase Focusing for a Muon Linac in the J-PARC Muon G-2/EDM Experiment J2 - Proc. of IPAC2019, Melbourne, Australia, 19-24 May 2019 CY - Melbourne, Australia T2 - International Particle Accelerator Conference T3 - 10 LA - english AB - An inter-digital H-mode drift-tube linac (IH-DTL) is developed in a muon linac at the J-PARC E34 experiment. IH-DTL will accelerate muons from 0.34 MeV to 4.5 MeV at a drive frequency of 324 MHz. Since IH-DTL adopts an APF method, with which the beam is focused in the transverse direction using the RF field only, the proper beam matching of the phase-space distribution is required before the injection into the IH-DTL. Thus, an IH-DTL prototype was fabricated to evaluate the performance of the cavity and beam transmission. As a preparation of the high-power test, a test coupler is designed and fabricated. In this paper, the development of the coupler and the result of the low-power measurement will be presented. PB - JACoW Publishing CP - Geneva, Switzerland SP - 606 EP - 609 KW - cavity KW - linac KW - DTL KW - coupling KW - experiment DA - 2019/06 PY - 2019 SN - 978-3-95450-208-0 DO - DOI: 10.18429/JACoW-IPAC2019-MOPRB017 UR - http://jacow.org/ipac2019/papers/moprb017.pdf ER -