TUBN01

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URL	https://doi.org/10.18429/JACoW-NAPAC2025-TUBN01
Title	Flat beam PWFA theory and experiment at AWA
Authors	A. Ody, E. Wisniewski, J. Power, P. Piot, R. Scott, W. Liu Argonne National Laboratory C. Manna Istituto Nazionale di Fisica Nucleare, Laboratori Nazionali del Sud G. Andonian, J. Rosenzweig, J. Mann, P. Manwani University of California, Los Angeles N. Majernik SLAC National Accelerator Laboratory Y. Kang Particle Beam Physics Lab (PBPL)
Abstract	A wakefield experiment at the Argonne Wakefield Accelerator (AWA) facility utilizes flat electron beams with highly asymmetric transverse emittances to drive plasma wakefields in the underdense regime. These beams create elliptical blowout structures, producing asymmetric transverse focusing forces. The experiment utilizes a compact 4-cm-long capillary discharge plasma source developed at UCLA. Analytic models of blowout ellipticity and matching conditions, supported by particle-in-cell simulations, guide the experiment's design. Engineering preparations including the use of windows for vacuum-gas separation, beam transport and diagnostics are discussed along with the first beam runs which involve flat beam generation and transport. The theory of flat beam plasma wakefield interaction will also be discussed
Paper	download: TUBN01.pdf
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Conference	6th North American Particle Accel. Conf. (NAPAC2025)
Series
Location	Sacramento, CA, USA
Date	10-15 Aug 2025
Publisher	JACoW Publishing, Geneva, Switzerland
Editorial Board	Tor O. Raubenheimer (SLAC), Roark A. Marsh (LLNL), Eric Prebys (UC Davis), Ling Wang (MSU), Petr M. Anisimov (LANL), Kip Bishofberger (LANL), Gustavo Bruno (ANL), Zhichu Chen (SARI), Jan Chrin (PSI), Kelly Jaje (ANL), Jaeyu Lee (POSTECH), Magdalena Montes-Loera (SLAC), Mary Saethre (PHENOTYPE), Tasha Summers (SLAC), Kent Wootton (ANL)
Online ISBN	978-3-95450-261-5
Online ISSN	2673-7000
Received	09 August 2025
Revised	13 August 2025
Accepted	14 August 2025
Issued	28 January 2026
DOI	10.18429/JACoW-NAPAC2025-TUBN01
Pages	314-316
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.