MOYD3

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URL	https://doi.org/10.18429/JACoW-IPAC2025-MOYD3
Title	RF acceleration with short pulses: Breaking the high-gradient barrier
Authors	X. Lu, P. Piot Argonne National Laboratory, Northern Illinois University A. Ody, C. Whiteford, C. Jing, G. Chen, J. Power, R. Margraf-O'Neal, S. Doran, W. Liu Argonne National Laboratory E. Gomez, S. Kuzikov Euclid Techlabs (United States) E. Wisniewski Illinois Institute of Technology E. Knight Argonne National Laboratory, Illinois Institute of Technology J. Shao Institute of Advanced Light Source Facilities Shenzhen, Argonne National Laboratory
Abstract	Achieving high-gradient acceleration is critical to enabling future linear colliders, free-electron lasers, and other compact accelerator applications. The Argonne Wakefield Accelerator (AWA) group has pioneered short-pulse structure wakefield acceleration technology, which has shown remarkable promise for surpassing the long-standing barrier of ~100 MV/m in X-band normal-conducting structures. Recent experiments have demonstrated the feasibility of this approach, with gradients exceeding 300 MV/m in a variety of X-band accelerating structures and an X-band photogun. Experimental results indicate that the empirical scaling law used to estimate the RF breakdown rate (BDR ~ E^30 * t^5) may be too conservative for RF pulse durations below 10 ns. Potential advanced accelerator designs based on short-pulse acceleration will also be presented, including a conceptual design for an ultra-compact XFEL.
Paper	download: MOYD3.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	27 May 2025
Revised	04 June 2025
Accepted	04 June 2025
Issued	05 November 2025
DOI	10.18429/JACoW-IPAC2025-MOYD3
Pages	24-29
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.