Alignment and steering scenarios for the APT linac

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The Accelerator for the Production of Tritium (APT) requires a very high proton beam current (100 mA cw). Requirement for hands-on maintenance limits the beam spill to less than 0.2 nA/m along most of the linac. To achieve this, it is important to understand the effects of fabrication, installation and operational errors, establish realistic tolerances, and develop techniques for mitigating their consequences. A new code, PARTREX, statistically evaluates the effects of alignment, quadrupole field, and rf phase and amplitude errors in the linac. This paper reviews the effects of quadrupole misalignments and present two steering algorithms that minimize the potential ... continued below

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4 p.

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Stovall, J.E.; Gray, E.R.; Nath, S.; Takeda, H.; Wood, R.L.; Young, L.M. et al. September 1, 1996.

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Description

The Accelerator for the Production of Tritium (APT) requires a very high proton beam current (100 mA cw). Requirement for hands-on maintenance limits the beam spill to less than 0.2 nA/m along most of the linac. To achieve this, it is important to understand the effects of fabrication, installation and operational errors, establish realistic tolerances, and develop techniques for mitigating their consequences. A new code, PARTREX, statistically evaluates the effects of alignment, quadrupole field, and rf phase and amplitude errors in the linac. This paper reviews the effects of quadrupole misalignments and present two steering algorithms that minimize the potential for particle loss from the beam halo. These algorithms were tested on the 8-to-20 MeV portion of the APT linac.

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4 p.

Notes

INIS; OSTI as DE96014802

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  • 18. international linac conference, Geneva (Switzerland), 26-30 Aug 1996

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  • Other: DE96014802
  • Report No.: LA-UR--96-2968
  • Report No.: CONF-9608123--20
  • Grant Number: W-7405-ENG-36
  • Office of Scientific & Technical Information Report Number: 378234
  • Archival Resource Key: ark:/67531/metadc680093

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  • September 1, 1996

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  • July 25, 2015, 2:20 a.m.

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  • Feb. 29, 2016, 8:23 p.m.

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Stovall, J.E.; Gray, E.R.; Nath, S.; Takeda, H.; Wood, R.L.; Young, L.M. et al. Alignment and steering scenarios for the APT linac, article, September 1, 1996; New Mexico. (digital.library.unt.edu/ark:/67531/metadc680093/: accessed August 21, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.