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Title: Wedge Absorbers for Final Cooling for a High-Energy High-Luminosity Lepton Collider

A high-energy high-luminosity muon collider scenario requires a "final cooling" system that reduces transverse emittance to ~25 microns (normalized) while allowing longitudinal emittance increase. Ionization cooling using high-field solenoids (or Li Lens) can reduce transverse emittances to ~100 microns in readily achievable configurations, confirmed by simulation. Passing these muon beams at ~100 MeV/c through cm-sized diamond wedges can reduce transverse emittances to ~25 microns, while increasing longitudinal emittance by a factor of ~5. Implementation will require optical matching of the exiting beam into downstream acceleration systems.
Authors:
 [1] ;  [2] ;  [3] ;  [4]
  1. Fermilab
  2. IIT, Chicago (main)
  3. IIT, Chicago
  4. Mississippi U.
Publication Date:
OSTI Identifier:
1264027
Report Number(s):
IPAC-2016-THPOR025; FERMILAB-CONF-16-133-AD-APC
1470629
DOE Contract Number:
AC02-07CH11359
Resource Type:
Conference
Resource Relation:
Conference: 7th International Particle Accelerator Conference, Busan, Korea, 05/08-05/13/2016
Research Org:
Fermi National Accelerator Laboratory (FNAL), Batavia, IL (United States)
Sponsoring Org:
USDOE Office of Science (SC), High Energy Physics (HEP) (SC-25)
Country of Publication:
United States
Language:
English
Subject:
43 PARTICLE ACCELERATORS