Improvements on the accuracy of beam bugs

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At LLNL resistive wall monitors are used to measure the current and position used on ETA-II show a droop in signal due to a fast redistribution time constant of the signals. This paper presents the analysis and experimental test of the beam bugs used for beam current and position measurements in and after the fast kicker. It concludes with an outline of present and future changes that can be made to improve the accuracy of these beam bugs. of intense electron beams in electron induction linacs and beam transport lines. These, known locally as ''beam bugs'', have been used throughout ... continued below

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579 Kilobytes pages

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Chen, Y.J. & Fessenden, T. August 17, 1998.

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Description

At LLNL resistive wall monitors are used to measure the current and position used on ETA-II show a droop in signal due to a fast redistribution time constant of the signals. This paper presents the analysis and experimental test of the beam bugs used for beam current and position measurements in and after the fast kicker. It concludes with an outline of present and future changes that can be made to improve the accuracy of these beam bugs. of intense electron beams in electron induction linacs and beam transport lines. These, known locally as ''beam bugs'', have been used throughout linear induction accelerators as essential diagnostics of beam current and location. Recently, the development of a fast beam kicker has required improvement in the accuracy of measuring the position of beams. By picking off signals at more than the usual four positions around the monitor, beam position measurement error can be greatly reduced. A second significant source of error is the mechanical variation of the resistor around the bug.

Physical Description

579 Kilobytes pages

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INIS; OSTI as DE00007495

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  • 19th International Linear Accelerator Conference, LINAC'98, Chicago, IL (US), 08/23/1998--08/28/1998

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  • Report No.: UCRL-JC-130426
  • Report No.: 39DP01000
  • Grant Number: W-7405-ENG-48
  • Office of Scientific & Technical Information Report Number: 7495
  • Archival Resource Key: ark:/67531/metadc702229

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  • August 17, 1998

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  • Sept. 12, 2015, 6:31 a.m.

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  • May 6, 2016, 1:29 p.m.

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Chen, Y.J. & Fessenden, T. Improvements on the accuracy of beam bugs, article, August 17, 1998; California. (digital.library.unt.edu/ark:/67531/metadc702229/: accessed August 19, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.