Experimental results on low alpha electron-storage rings

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The authors report on experiments performed in two synchrotron light sources, UVSOR and Super-ACO, where the momentum compaction factor is reduced in order to reduce the bunch length. By controlling the second-order momentum compaction factor, UVSOR and Super-ACO have managed to reduce the first-order momentum compaction factor by 100. At low current the resulting bunch lengths are less than 10 ps, a factor of 10 smaller than normal. Measurements of current dependent bunch lengthening in UVSOR are presented and the cause of the bunch lengthening is determined to be potential-well distortion. The authors also show that by operating with a ... continued below

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15 p.

Creation Information

Robin, D.; Hama, H. & Nadji, A. September 1, 1995.

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This article is part of the collection entitled: Office of Scientific & Technical Information Technical Reports and was provided by UNT Libraries Government Documents Department to Digital Library, a digital repository hosted by the UNT Libraries. More information about this article can be viewed below.

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  • Robin, D. Lawrence Berkeley Lab., CA (United States)
  • Hama, H. UVSOR Facility, Okazaki (Japan). Inst. for Molecular Science
  • Nadji, A. LURE, Orsay (France). Centre Univ. de Paris-Sud

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Description

The authors report on experiments performed in two synchrotron light sources, UVSOR and Super-ACO, where the momentum compaction factor is reduced in order to reduce the bunch length. By controlling the second-order momentum compaction factor, UVSOR and Super-ACO have managed to reduce the first-order momentum compaction factor by 100. At low current the resulting bunch lengths are less than 10 ps, a factor of 10 smaller than normal. Measurements of current dependent bunch lengthening in UVSOR are presented and the cause of the bunch lengthening is determined to be potential-well distortion. The authors also show that by operating with a negative momentum compaction factor, SuperACO has achieved shorter bunch lengthening and higher peak currents than at positive momentum compaction.

Physical Description

15 p.

Notes

INIS; OSTI as DE96002445

Source

  • MicroBunches workshop, Upton, NY (United States), 28-30 Sep 1995

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  • Other: DE96002445
  • Report No.: LBL--37758
  • Report No.: CONF-9509227--6
  • Grant Number: AC03-76SF00098
  • Office of Scientific & Technical Information Report Number: 132768
  • Archival Resource Key: ark:/67531/metadc619635

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Creation Date

  • September 1, 1995

Added to The UNT Digital Library

  • June 16, 2015, 7:43 a.m.

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  • April 5, 2016, 10 a.m.

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Robin, D.; Hama, H. & Nadji, A. Experimental results on low alpha electron-storage rings, article, September 1, 1995; California. (digital.library.unt.edu/ark:/67531/metadc619635/: accessed August 21, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.