Multipass Beam Breakup in the CEBAF Superconducting Linac.

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Beam breakup (BBU) instabilities in superconducting linacs are a significant issue due to the potentially high Q values of the cavity higher order modes (HOMs). The CEBAF accelerator, which employs high CW current and 5- pass recirculation through two superconducting linacs, poses unique instability problems. An experimental investigation of multipass BBU along with energy recovery has been completed using a single recirculation through the CEBAF injector linac. Experimental results are compared with computer simulation of multipass BBU.

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Krafft, Geoffrey & Bisognano, Joseph June 1, 1986.

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Beam breakup (BBU) instabilities in superconducting linacs are a significant issue due to the potentially high Q values of the cavity higher order modes (HOMs). The CEBAF accelerator, which employs high CW current and 5- pass recirculation through two superconducting linacs, poses unique instability problems. An experimental investigation of multipass BBU along with energy recovery has been completed using a single recirculation through the CEBAF injector linac. Experimental results are compared with computer simulation of multipass BBU.

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  • Talk compiled for Linear Accelerator Conference (LINAC86), 2-6 Jun 1986, Stanford, California

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  • Report No.: CEBAF-PR-86-01
  • Report No.: DOE/ER/40150-7
  • Grant Number: AC05-84ER40150
  • Office of Scientific & Technical Information Report Number: 954044
  • Archival Resource Key: ark:/67531/metadc930574

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Office of Scientific & Technical Information Technical Reports

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  • June 1, 1986

Added to The UNT Digital Library

  • Nov. 13, 2016, 7:26 p.m.

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  • Nov. 29, 2016, 8:41 p.m.

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Krafft, Geoffrey & Bisognano, Joseph. Multipass Beam Breakup in the CEBAF Superconducting Linac., article, June 1, 1986; [Newport News, Virginia]. (digital.library.unt.edu/ark:/67531/metadc930574/: accessed July 22, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.