Design of a Pulsed Flux Concentrator for the ILC Positron Source

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The Positron Source for the International Linear Collider requires an optical matching device after the target to increase the capture efficiency for positrons. Pulsed flux concentrators have been used by previous machines to improve the capture efficiency but the ILC has a 1 ms long pulse train which is too long for a standard flux concentrator. A pulsed flux concentrator with a 40 ms flat top was created for a hyperon experiment in 1965 which used liquid nitrogen cooling to reduce the resistance of the concentrating plates and extend the lifetime of the pulse. We report on a design for ... continued below

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Gronberg, J; Abbott, R; Brown, C; Javedani, J; Piggott, W T & Clarke, J May 17, 2010.

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The Positron Source for the International Linear Collider requires an optical matching device after the target to increase the capture efficiency for positrons. Pulsed flux concentrators have been used by previous machines to improve the capture efficiency but the ILC has a 1 ms long pulse train which is too long for a standard flux concentrator. A pulsed flux concentrator with a 40 ms flat top was created for a hyperon experiment in 1965 which used liquid nitrogen cooling to reduce the resistance of the concentrating plates and extend the lifetime of the pulse. We report on a design for a 1 ms device based on this concept.

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PDF-file: 5 pages; size: 1 Mbytes

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  • Presented at: International Particle Accelerator Conference, Kyoto, Japan, May 24 - May 28, 2010

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  • Report No.: LLNL-CONF-432197
  • Grant Number: W-7405-ENG-48
  • Office of Scientific & Technical Information Report Number: 1018008
  • Archival Resource Key: ark:/67531/metadc829713

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  • May 17, 2010

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  • May 19, 2016, 3:16 p.m.

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  • Dec. 7, 2016, 10:28 a.m.

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Gronberg, J; Abbott, R; Brown, C; Javedani, J; Piggott, W T & Clarke, J. Design of a Pulsed Flux Concentrator for the ILC Positron Source, article, May 17, 2010; Livermore, California. (digital.library.unt.edu/ark:/67531/metadc829713/: accessed December 17, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.