Optics of beam recirculation in the CEBAF (Continuous Electron Beam Accelerator Facility) cw linac
The use of recirculation in linear accelerator designs requires beam transport systems that will not degrade beam quality. We present a design for the transport lines to be used during recirculation in the CEBAF accelerator. These beam lines are designed to avoid beam degradation through synchrotron radiation excitation or betatron motion mismatch, are insensitive to errors commonly encountered during beam transport, and are optimized for electron beams with energies of 0.5 to 6.0 GeV. Optically, they are linearly isochronous second order achromats based on a ''missing magnet'' FODO structure. We give lattice specifications for, and results of analytic estimates and numerical simulations of the performance of, the beam transport system.
- Research Organization:
- Continuous Electron Beam Accelerator Facility, Newport News, VA (USA)
- DOE Contract Number:
- AC05-84ER40150
- OSTI ID:
- 6317730
- Report Number(s):
- DOE/ER/40150-27; CEBAF-PR-86-002; CONF-860629-74; ON: DE87008673
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
430200* -- Particle Accelerators-- Beam Dynamics
Field Calculations
& Ion Optics
ACCELERATORS
BEAM OPTICS
BEAM TRANSPORT
BREMSSTRAHLUNG
CEBAF ACCELERATOR
COMPUTERIZED SIMULATION
DESIGN
ELECTROMAGNETIC RADIATION
ENERGY RANGE
GEV RANGE
GEV RANGE 01-10
LINEAR ACCELERATORS
PERFORMANCE
RADIATIONS
SIMULATION
SYNCHROTRON RADIATION