CEBAF Upgrade Cryomodule Component Testing in the Horizontal Test Bed (HTB)

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The planned upgrade of the CEBAF electron accelerator includes the development of an improved cryomodule. Several components differ substantially from the original CEBAF cryomodule; these include: the new 7-cell, 1.5 GHz cavities with integral helium vessel, a new, backlash-free cavity tuner, the waveguide coupler with its room-temperature ceramic window, and the HOM damping filters. In order to test the design features and performance of the new components, a horizontal cryostat (Horizontal Test Bed) has been constructed which allows testing with a turn around time of less than three weeks. This cryostat provides the environment for testing one or two cavities, ... continued below

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219 Kilobytes pages

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Campisi, I.E.; Carpenter, B.; Davis, G.K.; Delayen, J.; Drury, M.; Feldl, E. et al. June 1, 2001.

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The planned upgrade of the CEBAF electron accelerator includes the development of an improved cryomodule. Several components differ substantially from the original CEBAF cryomodule; these include: the new 7-cell, 1.5 GHz cavities with integral helium vessel, a new, backlash-free cavity tuner, the waveguide coupler with its room-temperature ceramic window, and the HOM damping filters. In order to test the design features and performance of the new components, a horizontal cryostat (Horizontal Test Bed) has been constructed which allows testing with a turn around time of less than three weeks. This cryostat provides the environment for testing one or two cavities, with associated auxiliary components, in a condition similar to that of a real cryomodule. A series of tests has been performed on a prototype 7-cell cavity and the above-mentioned systems. In this paper the results of the tests on the cryostat, on the cavity performance, on its coupler, on the tuner characteristics, and on the microphonics behavior will be reported.

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219 Kilobytes pages

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  • PAC 2001, Chicago, IL (US), 06/18/2001--06/22/2001

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  • Report No.: JLAB-ACT-01-09
  • Report No.: DOE/ER/40150-1883
  • Grant Number: AC05-84ER40150
  • Office of Scientific & Technical Information Report Number: 783668
  • Archival Resource Key: ark:/67531/metadc716814

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

Office of Scientific and Technical Information (OSTI) is the Department of Energy (DOE) office that collects, preserves, and disseminates DOE-sponsored research and development (R&D) results that are the outcomes of R&D projects or other funded activities at DOE labs and facilities nationwide and grantees at universities and other institutions.

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  • June 1, 2001

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  • Sept. 29, 2015, 5:31 a.m.

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  • Feb. 5, 2016, 7:55 p.m.

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Campisi, I.E.; Carpenter, B.; Davis, G.K.; Delayen, J.; Drury, M.; Feldl, E. et al. CEBAF Upgrade Cryomodule Component Testing in the Horizontal Test Bed (HTB), article, June 1, 2001; Newport News, Virginia. (digital.library.unt.edu/ark:/67531/metadc716814/: accessed December 12, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.