Paul Trap Simulator Experiment to Model Intense Beam Propagation in Alternating-gradient Transport Systems

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The results presented here demonstrate that the Paul Trap Simulator Experiment (PTSX) simulates the propagation of intense charged particle beams over distances of many kilometers through magnetic alternating-gradient (AG) transport systems by making use of the similarity between the transverse dynamics of particles in the two systems. Plasmas have been trapped that correspond to normalized intensity parameters s = wp2 (0)/2wq2 * 0.8, where wp(r) is the plasmas frequency and wq is the average transverse focusing frequency in the smooth-focusing approximation. The measured root-mean-squared (RMS) radius of the beam is consistent with a model, equally applicable to both PTSX and ... continued below

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916 Kilobytes pages

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Gilson, Erik P.; Davidson, Ronald C.; Efthimion, Philip C. & Majeski, Richard January 29, 2004.

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The results presented here demonstrate that the Paul Trap Simulator Experiment (PTSX) simulates the propagation of intense charged particle beams over distances of many kilometers through magnetic alternating-gradient (AG) transport systems by making use of the similarity between the transverse dynamics of particles in the two systems. Plasmas have been trapped that correspond to normalized intensity parameters s = wp2 (0)/2wq2 * 0.8, where wp(r) is the plasmas frequency and wq is the average transverse focusing frequency in the smooth-focusing approximation. The measured root-mean-squared (RMS) radius of the beam is consistent with a model, equally applicable to both PTSX and AG systems that balances the average inward confining force against the outward pressure-gradient and space-charge forces. The PTSX device confines one-component cesium ion plasmas for hundreds of milliseconds, which is equivalent to over 10 km of beam propagation.

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916 Kilobytes pages

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INIS; OSTI as DE00821520

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  • Other Information: PBD: 29 Jan 2004

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  • Report No.: PPPL-3920
  • Grant Number: AC02-76CH03073
  • DOI: 10.2172/821520 | External Link
  • Office of Scientific & Technical Information Report Number: 821520
  • Archival Resource Key: ark:/67531/metadc778626

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  • January 29, 2004

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  • Dec. 3, 2015, 9:30 a.m.

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  • June 10, 2016, 6:43 p.m.

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Gilson, Erik P.; Davidson, Ronald C.; Efthimion, Philip C. & Majeski, Richard. Paul Trap Simulator Experiment to Model Intense Beam Propagation in Alternating-gradient Transport Systems, report, January 29, 2004; Princeton, New Jersey. (digital.library.unt.edu/ark:/67531/metadc778626/: accessed May 27, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.