The solenoidal transport option: IFE drivers, near term research facilities, and beam dynamics

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Solenoidal magnets have been used as the beam transport system in all the high current electron induction accelerators that have been built in the past several decades. They have also been considered for the front end transport system for heavy ion accelerators for Inertial Fusion Energy (IFE) drivers, but this option has received very little attention in recent years. The analysis reported here was stimulated mainly by the recent effort to define an affordable {open_quotes}Integrated Research Experiment{close_quotes} (IRE) that can meet the near term needs of the IFE program. The 1996 FESAC IFE review panel agreed that an integrated experiment ... continued below

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33 p.

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Lee, E.P. & Briggs, R.J. September 1, 1997.

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  • Lee, E.P. Ernest Orlando Lawrence Berkeley National Lab., CA (United States)
  • Briggs, R.J. Science Applications International Corp., Pleasanton, CA (United States)

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Description

Solenoidal magnets have been used as the beam transport system in all the high current electron induction accelerators that have been built in the past several decades. They have also been considered for the front end transport system for heavy ion accelerators for Inertial Fusion Energy (IFE) drivers, but this option has received very little attention in recent years. The analysis reported here was stimulated mainly by the recent effort to define an affordable {open_quotes}Integrated Research Experiment{close_quotes} (IRE) that can meet the near term needs of the IFE program. The 1996 FESAC IFE review panel agreed that an integrated experiment is needed to fully resolve IFE heavy ion driver science and technology issues; specifically, {open_quotes}the basic beam dynamics issues in the accelerator, the final focusing and transport issues in a reactor-relevant beam parameter regime, and the target heating phenomenology{close_quotes}. The development of concepts that can meet these technical objectives and still stay within the severe cost constraints all new fusion proposals will encounter is a formidable challenge. Solenoidal transport has a very favorable scaling as the particle mass is decreased (the main reason why it is preferred for electrons in the region below 50 MeV). This was recognized in a recent conceptual study of high intensity induction linac-based proton accelerators for Accelerator Driven Transmutation Technologies, where solenoidal transport was chosen for the front end. Reducing the ion mass is an obvious scaling to exploit in an IRE design, since the output beam voltage will necessarily be much lower than that of a full scale driver, so solenoids should certainly be considered as one option for this experiment as well.

Physical Description

33 p.

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INIS; OSTI as DE98050030

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  • Other Information: PBD: Sep 1997

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  • Other: DE98050030
  • Report No.: LBNL--40774
  • Report No.: HIFAN--914
  • Grant Number: AC03-76SF00098
  • DOI: 10.2172/552777 | External Link
  • Office of Scientific & Technical Information Report Number: 552777
  • Archival Resource Key: ark:/67531/metadc692638

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  • September 1, 1997

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  • Aug. 14, 2015, 8:43 a.m.

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  • April 5, 2016, 10:48 a.m.

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Lee, E.P. & Briggs, R.J. The solenoidal transport option: IFE drivers, near term research facilities, and beam dynamics, report, September 1, 1997; California. (digital.library.unt.edu/ark:/67531/metadc692638/: accessed August 18, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.