TUPS049

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URL	https://doi.org/10.18429/JACoW-IPAC2025-TUPS049
Title	Low-power test of bridge coupler in disk-and-washer structure for muon acceleration
Authors	A. Kondo, T. Iijima, K. Sumi Nagoya University Y. Takeuchi Shanghai Jiao Tong University E. Cicek, H. Ego, M. Otani, Y. Nakazawa, K. Futatsukawa, T. Mibe, M. Yoshida High Energy Accelerator Research Organization Y. Kondo, T. Morishita Japan Atomic Energy Agency Y. Iwashita Kyoto University
Abstract	A muon linear accelerator is under development at J-PARC for precise measurement of the muon anomalous magnetic moment (g-2) and electric dipole moment (EDM). A disk-and-washer (DAW) structure is employed to accelerate muons from 30% of the speed of light (kinetic energy = 4 MeV) to 70% (40 MeV) at 1296 MHz. The muon DAW consists of tanks accelerating the muons and bridge couplers that couple the tanks and focus the beam using an internal quadrupole doublet. A bridge-coupler prototype is currently being fabricated and will be tested. This paper presents the design and performance evaluation of the bridge coupler prototype.
Paper	download: TUPS049.pdf
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Conference	16th International Particle Accelerator Conference
Series
Location	Taipei, Taiwan
Date	01-06 Jun 2025
Publisher	JACoW Publishing, Geneva, Switzerland
Editorial Board	* Ming-Chyuan Lin - National Synchrotron Radiation Research Center * Yoichi Sato - KEK * Jui-Che Huang - National Synchrotron Radiation Research Center * David Button - Australian Nuclear Science and Technology Organisation * Ping-Shun Chuang - National Synchrotron Radiation Research Center
Online ISBN	978-3-95450-248-6
Online ISSN	2673-5490
Received	07 April 2025
Revised	30 May 2025
Accepted	31 May 2025
Issued	05 November 2025
DOI	10.18429/JACoW-IPAC2025-TUPS049
Pages	1538-1541
Copyright	Published by JACoW Publishing under the terms of the Creative Commons Attribution 4.0 license. Any further distribution of this work must maintain attribution to the author(s), the published article's title, publisher, and DOI.