Performance of superconducting cavities for CEBAF

Peter Kneisel, John Mammosser, Ganapati Rao, Kenji Saito, Ron Sundelin

    Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

    2 Scopus citations

    Abstract

    The Continuous Electron Beam Accelerator Facility (CEBAF) consists of approximately 160 m of 5-cell niobium cavities manufactured from high thermal conductivity niobium with residual resistance ratio (RRR) values >250. After an initial six month period of first article manufacturing at a rate of three cavities per month, the full in October 1990. These cavities are chemically treated at CEBAF, assembled into hermetically sealed cavity pairs, and tested in a vertical configuration prior to installation in the accelerator. The performance of all cavities received from the manufacturer and tested at CEBAF has exceeded CABAF's design criteria for Q values >2.4 × 109 at 2 K and accelerating gradients Eacc >5, MV/m. Q0 values as high as 1010 and accelerating gradients of Eacc ≥ 18 MV/m have been achieved.

    Original languageEnglish
    Title of host publicationConference Record of 1991 IEEE Particle Accelerator Conference
    PublisherPubl by IEEE
    Pages2384-2386
    Number of pages3
    ISBN (Print)0780301358
    StatePublished - 1991
    EventConference Record of 1991 IEEE Particle Accelerator Conference Part 5 (of 5) - San Francisco, CA, USA
    Duration: May 6 1991May 9 1991

    Publication series

    NameConference Record of 1991 IEEE Particle Accelerator Conference

    Conference

    ConferenceConference Record of 1991 IEEE Particle Accelerator Conference Part 5 (of 5)
    CitySan Francisco, CA, USA
    Period05/6/9105/9/91

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