Superconducting Cavity Development for the CEBAF Upgrade

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Long-term plans for CEBAF at Jefferson Lab call for achieving 12 GeV in the middle of the next decade and 24 GeV after 2010. In support of these plans, an Upgrade Cryomodule, capable of providing more than twice the operating voltage of the existing CEBAF modules within the same length, is being developed. In particular, this requires the development of superconducting cavities capable of consistently operating at gradients above 12 MV/m and Q {approximately} 10{sup 10}. We have engaged in a complete review of all the processes and procedures involved in the fabrication and assembly of cavities, and are modifying ... continued below

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460 Kilobytes pages

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Campisi, I.E.; Delayen, J.R.; Doolittle, L.R.; P.Kneisel; Mammosser, J. & Phillips, L. March 1, 1999.

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Long-term plans for CEBAF at Jefferson Lab call for achieving 12 GeV in the middle of the next decade and 24 GeV after 2010. In support of these plans, an Upgrade Cryomodule, capable of providing more than twice the operating voltage of the existing CEBAF modules within the same length, is being developed. In particular, this requires the development of superconducting cavities capable of consistently operating at gradients above 12 MV/m and Q {approximately} 10{sup 10}. We have engaged in a complete review of all the processes and procedures involved in the fabrication and assembly of cavities, and are modifying our chemical processing, cleaning, and assembly facilities. While we have retained the cell shape of existing CEBAF cavities, the new superconducting structure will be substantially different in several respects, such as the higher-order-modes damping and the fundamental power coupling systems. Design features and experimental results will be presented.

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460 Kilobytes pages

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  • 1999 Particle Accelerator Conference, New York, NY (US), 03/29/1999--04/02/1999

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  • Report No.: DOE/ER/40150--1421
  • Report No.: JLAB-ACT-99-01
  • Grant Number: AC05-84ER40150
  • Office of Scientific & Technical Information Report Number: 755075
  • Archival Resource Key: ark:/67531/metadc709388

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  • March 1, 1999

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  • Sept. 12, 2015, 6:31 a.m.

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  • Feb. 5, 2016, 8:59 p.m.

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Campisi, I.E.; Delayen, J.R.; Doolittle, L.R.; P.Kneisel; Mammosser, J. & Phillips, L. Superconducting Cavity Development for the CEBAF Upgrade, article, March 1, 1999; Newport News, Virginia. (digital.library.unt.edu/ark:/67531/metadc709388/: accessed December 16, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.