Summary of Working Group on Storage Ring Collective Effects

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The purposes of this Workshop were to investigate the techniques available for the production of very low emittance electron beams, to explore the limitations of these techniques, and to consider new possibilities that might improve the present situation. Two uses for these low emittance beams are of interest here: to serve for a high energy linear collider, which requires very small beam sizes to achieve a suitable value for the luminosity; and to serve for a free-electron laser (FEL) in the short wavelength - say 40 A - regime, which requires both small transverse beam dimensions and a very low ... continued below

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Pages: 16

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Zisman, M.S. June 1, 1987.

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Description

The purposes of this Workshop were to investigate the techniques available for the production of very low emittance electron beams, to explore the limitations of these techniques, and to consider new possibilities that might improve the present situation. Two uses for these low emittance beams are of interest here: to serve for a high energy linear collider, which requires very small beam sizes to achieve a suitable value for the luminosity; and to serve for a free-electron laser (FEL) in the short wavelength - say 40 A - regime, which requires both small transverse beam dimensions and a very low longitudinal emittance. This paper contains a brief summary of the main topics discussed by the Working Group on Storage Ring Collective Effects. In the case of the linear collider application, the use of a damping ring (DR) to reduce, by radiation damping, the emittance of an intermediate energy linac beam prior to its subsequent injection into the remaining high energy linac is considered. For FEL use, a high-gain device with a storage ring to damp the beam periodically between passages through a bypass section containing the long FEL undulator is considered. Such designs - at a longer wavelength of 400 A - are already available, but the shorter wavelength of interest here is much more of a challenge.

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Pages: 16

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NTIS, PC A02/MF A01.

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  • ICFA workshop on low emittance e/sup -/ -e/sup +/ beams, Upton, NY, USA, 20 Mar 1987

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  • Other: DE87012890
  • Report No.: LBL-23484
  • Report No.: CONF-8703149-4
  • Grant Number: AC03-76SF00098
  • Office of Scientific & Technical Information Report Number: 6332072
  • Archival Resource Key: ark:/67531/metadc1206784

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  • June 1, 1987

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  • July 5, 2018, 11:11 p.m.

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  • Oct. 30, 2018, 2:07 p.m.

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Zisman, M.S. Summary of Working Group on Storage Ring Collective Effects, article, June 1, 1987; California. (digital.library.unt.edu/ark:/67531/metadc1206784/: accessed November 21, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.