Order-of-magnitude beam current improvement in compact cyclotrons
Name
Winklehner_2022_New_J._Phys._24_023038.pdf
Description
Published version
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6.02 MB
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Checksum (MD5)
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Author(s)
Winklehner, Daniel
Conrad, Janet M
Schoen, Devin
Yampolskaya, Maria
Adelmann, Andreas
Mayani, Sonali
Muralikrishnan, Sriramkrishnan
Date Issued
February 1, 2022
Journal
New Journal of Physics
Publisher
IOP Publishing
Citation
Winklehner, Daniel, Conrad, Janet M, Schoen, Devin, Yampolskaya, Maria, Adelmann, Andreas et al. 2022. "Order-of-magnitude beam current improvement in compact cyclotrons." New Journal of Physics, 24 (2).
Version
Final published version
Abstract
Abstract
There is great need for high intensity proton beams from compact particle accelerators in particle physics, medical isotope production, and materials- and energy-research. To address this need, we present, for the first time, a design for a compact isochronous cyclotron that will be able to deliver 10 mA of 60 MeV protons—an order of magnitude higher than on-market compact cyclotrons and a factor four higher than research machines. A key breakthrough is that vortex motion is incorporated in the design of a cyclotron, leading to clean extraction. Beam losses on the septa of the electrostatic extraction channels stay below 120 W (40% below the required safety limit), while maintaining good beam quality. We present a set of highly accurate particle-in-cell simulations, and an uncertainty quantification of select beam input parameters using machine learning, showing the robustness of the design. This design can be utilized for beams for experiments in particle and nuclear physics, materials science and medical physics as well as for industrial applications.
There is great need for high intensity proton beams from compact particle accelerators in particle physics, medical isotope production, and materials- and energy-research. To address this need, we present, for the first time, a design for a compact isochronous cyclotron that will be able to deliver 10 mA of 60 MeV protons—an order of magnitude higher than on-market compact cyclotrons and a factor four higher than research machines. A key breakthrough is that vortex motion is incorporated in the design of a cyclotron, leading to clean extraction. Beam losses on the septa of the electrostatic extraction channels stay below 120 W (40% below the required safety limit), while maintaining good beam quality. We present a set of highly accurate particle-in-cell simulations, and an uncertainty quantification of select beam input parameters using machine learning, showing the robustness of the design. This design can be utilized for beams for experiments in particle and nuclear physics, materials science and medical physics as well as for industrial applications.
MIT Department
Massachusetts Institute of Technology. Department of Physics
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Creative Commons Attribution 4.0 International license
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DOI of Published Version
https://doi.org/10.1088/1367-2630/ac5001
