Ionization cooling in the muon collider

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The muon beams in a high luminosity muon collider are produced with a very large emittance. The process of ionization cooling offers a method for reducing the 6-dimensional normalized emittance of the beam by a factor of {approx} 10{sup 6}. A simple analytic theory has been developed that demonstrates the dependence of the net cooling on various experimental parameters. The simple theory has been checked and realistic arrangements have been examined using Monte Carlo simulations. Transverse cooling of the initial beam can be achieved using passive Li absorbers in a FOFO lattice. The last factor of 10 in transverse cooling ... continued below

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35 p.

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Fernow, R. C.; Gallardo, J. C.; Kirk, H. G. & Palmer, R. B. October 1996.

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Description

The muon beams in a high luminosity muon collider are produced with a very large emittance. The process of ionization cooling offers a method for reducing the 6-dimensional normalized emittance of the beam by a factor of {approx} 10{sup 6}. A simple analytic theory has been developed that demonstrates the dependence of the net cooling on various experimental parameters. The simple theory has been checked and realistic arrangements have been examined using Monte Carlo simulations. Transverse cooling of the initial beam can be achieved using passive Li absorbers in a FOFO lattice. The last factor of 10 in transverse cooling probably requires the use of current-carrying Li lenses. Efficient longitudinal cooling requires the use of wedge shaped absorbers in a dispersive section of the beam line. An example, multi-stage cooling scenario has been developed that meets the requirements of the muon collider. Preliminary designs have been made of solenoids for use in the FOFO lattice and of solenoids and dipoles for use in the emittance exchange sections. Detailed simulation work, farther optimization, and preparations for experimental demonstrations of critical components are currently in progress.

Physical Description

35 p.

Notes

INIS; OSTI as DE97001953

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  • Other Information: PBD: Oct 1996

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  • Other: DE97001953
  • Report No.: BNL--63615
  • Report No.: CAP--153-MUON-96R
  • Grant Number: AC02-76CH00016;AC02-76CH03000;AC03-76SF00098
  • DOI: 10.2172/419071 | External Link
  • Office of Scientific & Technical Information Report Number: 419071
  • Archival Resource Key: ark:/67531/metadc685873

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

Office of Scientific and Technical Information (OSTI) is the Department of Energy (DOE) office that collects, preserves, and disseminates DOE-sponsored research and development (R&D) results that are the outcomes of R&D projects or other funded activities at DOE labs and facilities nationwide and grantees at universities and other institutions.

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Creation Date

  • October 1996

Added to The UNT Digital Library

  • July 25, 2015, 2:20 a.m.

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  • April 18, 2016, 3:38 p.m.

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Fernow, R. C.; Gallardo, J. C.; Kirk, H. G. & Palmer, R. B. Ionization cooling in the muon collider, report, October 1996; Upton, New York. (https://digital.library.unt.edu/ark:/67531/metadc685873/: accessed May 24, 2019), University of North Texas Libraries, Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.