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Title: RFQ device for accelerating particles

A superconducting radio frequency quadrupole (RFQ) device includes four spaced elongated, linear, tubular rods disposed parallel to a charged particle beam axis, with each rod supported by two spaced tubular posts oriented radially with respect to the beam axis. The rod and post geometry of the device has four-fold rotation symmetry, lowers the frequency of the quadrupole mode below that of the dipole mode, and provides large dipole-quadrupole mode isolation to accommodate a range of mechanical tolerances. The simplicity of the geometry of the structure, which can be formed by joining eight simple T-sections, provides a high degree of mechanical stability, is insensitive to mechanical displacement, and is particularly adapted for fabrication with superconducting materials such as niobium. 5 figs.
Inventors:
;
Issue Date:
OSTI Identifier:
63451
Assignee:
Univ. of Chicago, IL (United States) PTO; SCA: 430100; PA: EDB-95:092333; SN: 95001401182
Patent Number(s):
US 5,422,549/A/
Application Number:
PAN: 8-100,320
Contract Number:
W-31109-ENG-38
Resource Relation:
Other Information: PBD: 6 Jun 1995
Research Org:
Univ. of Chicago, IL (United States)
Country of Publication:
United States
Language:
English
Subject:
43 PARTICLE ACCELERATORS; QUADRUPOLE LINACS; DESIGN; RF SYSTEMS; SUPERCONDUCTORS; SUPPORTS; ALIGNMENT

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