Scraping beam halo in mu+ mu- colliders
- Fermilab
- LBL, Berkeley
Beam halo scraping schemes have been explored in the 50×50 GeV and 2×2 TeV μ + μ − 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.
- Research Organization:
- Fermi National Accelerator Laboratory (FNAL), Batavia, IL (United States); Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States)
- Sponsoring Organization:
- USDOE Office of Science (SC), High Energy Physics (HEP) (SC-25)
- DOE Contract Number:
- AC02-07CH11359
- OSTI ID:
- 572829
- Report Number(s):
- FERMILAB-CONF-98-042; oai:inspirehep.net:467176
- Journal Information:
- AIP Conf.Proc., Journal Name: AIP Conf.Proc. Journal Issue: 1 Vol. 441
- Country of Publication:
- United States
- Language:
- English
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