Magnetic design and measurement of nonlinear multipole magnets for the APT beam expander system
Conference
·
OSTI ID:537329
- Los Alamos National Lab., NM (United States)
- Northrop Grumman Corp., Princeton, NJ (United States)
- Brookhaven National Lab., Upton, NY (United States)
Two prototype nonlinear multipole magnets have been designed for use in the 800-MeV beam test of the APT beam-expansion concept at LANSCE. The iron-dominated magnets each consist of three independent coils, two for producing a predominantly octupole field with a tunable duodecapole component, and one for canceling the residual quadrupole field. Two such magnets, one for shaping each transverse plane, are required to produce a rectangular, uniform beam current density distribution with sharp edges on the APT target. This report will describe the magnetic design of these magnets, along with field measurements, and a comparison to the magnetic design.
- Research Organization:
- Los Alamos National Lab., NM (United States)
- Sponsoring Organization:
- USDOE, Washington, DC (United States)
- DOE Contract Number:
- W-7405-ENG-36
- OSTI ID:
- 537329
- Report Number(s):
- LA-UR--97-1636; CONF-970503--236; ON: DE97008296
- Country of Publication:
- United States
- Language:
- English
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