Test Results of a High-Gradient 2.856-GHz Negative Harmonic Accelerating Waveguide

We report the high-gradient tests results of a novel traveling wave accelerating structure for \beta =0.3 based on a novel approach of operating at the first negative spatial harmonic. Accelerating gradients of 50 MV/m and peak electric fields of 160 MV/m were achieved in a single structure consis...

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Bibliographic Details
Published in:IEEE microwave and wireless components letters 2021-09, Vol.31 (9), p.1098-1101
Main Authors: Kutsaev, S. V., Agustsson, R., Boucher, S., Chimalpopoca, O., Meyer, D., Murokh, A., Mustapha, B., Nassiri, A., Yu Smirnov, A., Smith, T., Yang, Y.
Format: Article
Language:English
Subjects:
Accelerating structure
carbon therapy
disk-loaded waveguide (DLW)
Electric breakdown
Electric fields
ENGINEERING
Harmonic analysis
high gradients
Linear accelerators
Linear particle accelerator
Medical treatment
negative spatial harmonic
Particle beams
Periodic structures
R&D
Radio frequency
Research & development
Traveling waves
Waveguides
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Summary:We report the high-gradient tests results of a novel traveling wave accelerating structure for \beta =0.3 based on a novel approach of operating at the first negative spatial harmonic. Accelerating gradients of 50 MV/m and peak electric fields of 160 MV/m were achieved in a single structure consisting of 15 coupled cells during tests at the advanced photon source. This work was performed by RadiaBeam, in collaboration with the Argonne National Laboratory, as a part of a Research and Development Program for the development of an ultrahigh-gradient linear accelerator, the Advanced Compact Carbon Ion Linac, for hadron therapy.
ISSN:1531-1309
2771-957X
1558-1764
2771-9588
DOI:10.1109/LMWC.2021.3081358