Scraping beam halo in {mu} {sup +} {mu} {sup minus} colliders

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Beam halo scraping schemes have been explored in the 50 x 50 GeV and 2 x 2 TeV {mu}{sup +}{mu}{sup -} colliders using both absorbers and electrostatic deflectors. Utility sections have been specially designed into the rings for scraping. Results of realistic STRUCT- MARS Monte-Carlo simulations show that for the low-energy machine a scheme with a 5 m long steel absorber suppresses losses in the interaction region by three orders of magnitude. The same scraping efficiency at 2 TeV is achieved only by complete extraction of beam halo from the machine. The effect of beam-induced power dissipation in the collider ... continued below

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9 p.; Other: FDE: POSTSCRIPT; PL:

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Drozhdin, A.; Mokhov, N.; Johnstone, C.; Wan, W. & Garren, A. January 1, 1998.

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Beam halo scraping schemes have been explored in the 50 x 50 GeV and 2 x 2 TeV {mu}{sup +}{mu}{sup -} colliders using both absorbers and electrostatic deflectors. Utility sections have been specially designed into the rings for scraping. Results of realistic STRUCT- MARS Monte-Carlo simulations show that for the low-energy machine a scheme with a 5 m long steel absorber suppresses losses in the interaction region by three orders of magnitude. The same scraping efficiency at 2 TeV is achieved only by complete extraction of beam halo from the machine. The effect of beam-induced power dissipation in the collider superconducting magnets and detector backgrounds is shown both for the first few turns after injection and for the rest of the cycle.

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9 p.; Other: FDE: POSTSCRIPT; PL:

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INIS; OSTI as DE98052008

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  • 4. international conference on physics potential and development of muon-muon colliders, San Francisco, CA (United States), 10-12 Dec 1997

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  • Other: DE98052008
  • Report No.: FNAL/C--98/042
  • Report No.: CONF-971215--
  • Grant Number: AC02-76CH03000
  • Office of Scientific & Technical Information Report Number: 572829
  • Archival Resource Key: ark:/67531/metadc693461

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  • January 1, 1998

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  • Aug. 14, 2015, 8:43 a.m.

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  • April 1, 2016, 5:47 p.m.

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Drozhdin, A.; Mokhov, N.; Johnstone, C.; Wan, W. & Garren, A. Scraping beam halo in {mu} {sup +} {mu} {sup minus} colliders, article, January 1, 1998; Batavia, Illinois. (digital.library.unt.edu/ark:/67531/metadc693461/: accessed September 22, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.