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ELECTRICAL DESIGN OF ELECTROSTATIC DEFLECTORS FOR SECTORFOCUSED CYCLOTRONS

Author
Smith, B. H.
Published
United States : [publisher not identified], 1963.
[Oak Ridge, Tennessee] : [U.S. Atomic Energy Commission], 1963.
Physical Description
microfiche : negative ; 8 x 13 cm
Additional Creators
Grunder, H. A.

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Summary
>The new sector-focused cyclotrons have more energetic and better focused beams at the extraction radius than do ordinary cyclotrons. While the flrst characteristic requires a more intense electric field, the second permits this field to extend over a smaller volume. By tailoring the electrode geometry to these characteristics of the beam, the required deflector gap and electrode surface become smaller, and a higher gradient can be held without sparking. A different compromise between radioactivity, power dissipation, and resistance to spark damage must be made in selecting electrode materials. Carefully designed electrostatic deflectors perform very well in sector-focused cyclotrons of intermediate energy. Deflector efficiencies of about 50% and external-beam intensities of 20 mu amp have been obtained in the Lawrence Laboratory's 88-Inch cyclotron. (auth)
Report Numbers
UCRL-10654(Abridged)
Other Subject(s)
Collection
U.S. Atomic Energy Commission depository collection.
Note
DOE contract number: W-7405-ENG-48
NSA number: NSA-17-024526
OSTI Identifier 4707573
Research organization: California Univ., Berkeley, CA (US). Lawrence Radiation Lab.
View MARC record | catkey: 42518851