The Continuous Electron Beam Accelerator Facility at 12 GeV

This review paper describes the energy-upgraded Continuous Electron Beam Accelerator Facility (CEBAF) accelerator. This superconducting linac has achieved 12 GeV beam energy by adding 11 new high-performance cryomodules containing 88 superconducting cavities that have operated cw at an average accelerating gradient of <a:math xmlns:a="http://www.w3.org/1998/Math/MathML" display="inline"><a:mrow><a:mn>20</a:mn><a:mtext> </a:mtext><a:mtext> </a:mtext><a:mi>MV</a:mi><a:mo>/</a:mo><a:mi mathvariant="normal">m</a:mi></a:mrow></a:math>. After reviewing the attributes and performance of the previous 6 GeV CEBAF accelerator, we discuss the upgraded CEBAF accelerator system in detail with particular attention paid to the new beam acceleration systems. In addition to doubling the acceleration in each linac, the upgrade included improving the beam recirculation magnets, adding more helium cooling capacity to allow the newly installed modules to run cold, adding a new experimental hall, and improving numerous other accelerator components. We review several of the techniques deployed to operate and analyze the accelerator performance and document system operating experience and performance. In the final portion of the document, we present much of the current planning regarding projects to improve accelerator performance and enhance operating margins, and our plans for ensuring CEBAF operates reliably into the future. For the benefit of potential users of CEBAF, the performance and quality measures for the beam delivered to each of the experimental halls are summarized in the Appendix. Published by the American Physical Society 2024

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Publication Details

Journal
Physical Review Accelerators and Beams
Published
2024-08-15
DOI
https://doi.org/10.1103/physrevaccelbeams.27.084802
Citations
17
Primary Topic
Particle accelerators and beam dynamics
Type
article
Field-Weighted Citation Impact
22.08

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The Continuous Electron Beam Accelerator Facility at 12 GeV

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The Continuous Electron Beam Accelerator Facility at 12 GeV

Marcy Stutzman, A. Burrill, Jean Delayen, J. Preble, M. Bruker, Y. Zhang, J. Fischer, D. Machie, J. Guo, C. Rode, Jason D. Hogan, Christopher Slominski, Rongli Geng, E. Feldl, R. Li, D. Spell, C. Keppel, John Kowal, Michele Joyce, M. H. Wood, C. M. Ginsburg, J. Matalevich, P. Adderley, J. McCarter, A. Freyberger, Y. Wang, Fay Hannon, Ramakrishna Bachimanchi, J. A. Clark, R. Suleiman, T. Hiatt, Clyde Mounts, T. Whitlatch, Joseph Grames, G. Wu, C. Hernandez-Garcia, W. Oren, H. Tian, O. M. Trofimova, Gianluigi Ciovati, K. Macha, Ryan Slominski, M.J. Bellido, J. Mammosser, D. BRUCE TURNER, T. Reilly, M. Wiseman, Michael Tiefenback, S. U. De Silva, M. BastaniNejad, Anne-Marie Valente-Feliciano, David Seidman, M. Drury, M. Keesee, Andrew Kimber, Trent Allison, G. Palacios-Serrano, Geoffrey Krafft, Richard M. Nelson, V. Ganni, J. Hansknecht, M. Stirbet, R. Lauzé, Y. Roblin, L. Phillips, Tomasz Plawski, M. Spata, A. Hutton, Robert Rimmer, Charles Reece, Karen White, Chris Tennant, H.-K. Park, Joshua Spradlin, D. W. Higinbotham, R. B. Overton, C. Hovater, S. Suhring, K. Baggett, K. Surles‐Law, Theodore Larrieu, S. Chattopadhyay, J. Musson, A. Seryi, M. McCaughan, B. Mastracci, James Henry, T. Satogata, Michael J. Kelley, Frank Marhauser, M. Bickley, F. Pilat, Michael Bevins, J. Gubeli, Kelly Mahoney, B. Bevins, Lawrence King, G. Lahti, S. Higgins, Ryan Bodenstein, L. S. Cardman, M. Poelker, P. Powers, J. Gómez, Mariel Wissman, Richard E. Dickson, Anna Shabalina, B. Yunn, L. Merminga, P. Kneisel, S. Zhang, R. Kazimi, Vasiliy Morozov, Sarin Philip, Randy Michaud, Haipeng Wang, F. Lin, Harley A. Robertson, C. Whitlatch, G. Croke, P. Kjeldsen, S.A. Bogacz, S. Yang, K. Jordan, Shahid Ahmed, C. D. Jones, Yu-Chiu Chao, C. Leemann, W. A. Clemens, Guang Cheng, J. Creel, A. Höfler, I. Shin, E. Daly, Lawrence Doolittle, G. Davis, R. Legg, D. Douglas, T. Powers
article en
17 citations

Abstract

This review paper describes the energy-upgraded Continuous Electron Beam Accelerator Facility (CEBAF) accelerator. This superconducting linac has achieved 12 GeV beam energy by adding 11 new high-performance cryomodules containing 88 superconducting cavities that have operated cw at an average accelerating gradient of <a:math xmlns:a="http://www.w3.org/1998/Math/MathML" display="inline"><a:mrow><a:mn>20</a:mn><a:mtext> </a:mtext><a:mtext> </a:mtext><a:mi>MV</a:mi><a:mo>/</a:mo><a:mi mathvariant="normal">m</a:mi></a:mrow></a:math>. After reviewing the attributes and performance of the previous 6 GeV CEBAF accelerator, we discuss the upgraded CEBAF accelerator system in detail with particular attention paid to the new beam acceleration systems. In addition to doubling the acceleration in each linac, the upgrade included improving the beam recirculation magnets, adding more helium cooling capacity to allow the newly installed modules to run cold, adding a new experimental hall, and improving numerous other accelerator components. We review several of the techniques deployed to operate and analyze the accelerator performance and document system operating experience and performance. In the final portion of the document, we present much of the current planning regarding projects to improve accelerator performance and enhance operating margins, and our plans for ensuring CEBAF operates reliably into the future. For the benefit of potential users of CEBAF, the performance and quality measures for the beam delivered to each of the experimental halls are summarized in the Appendix. Published by the American Physical Society 2024

Physical Review Accelerators and BeamsVol. 27(8)
Thomas Jefferson National Accelerator Facility (US), Dominion University College (GH), Old Dominion University (US)
U.S. Department of Energy, Office of Science, Nuclear Physics
Affordable and clean energy
Openalex Percentile: Top 1%
Particle accelerators and beam dynamics
22.08
DOIOpen Access PDFOpenAlex
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