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FFAG Workshop OSAKA 2005

Proton acceleration with added edge focusing. Introduction: Rick Baartman: “Spiral focusing slides” Fixed parameters: QF, QD, q QD , q QF Variables: edge angles. FFAG Workshop OSAKA 2005. Dejan Trbojevic December 6, 2005. Slides from the Rick Baartman presentation:

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FFAG Workshop OSAKA 2005

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  1. Proton acceleration with added edge focusing • Introduction: • Rick Baartman: “Spiral focusing slides” • Fixed parameters: QF, QD, qQD, qQF Variables: edge angles FFAG Workshop OSAKA 2005 Dejan Trbojevic December 6, 2005

  2. Slides from the Rick Baartman presentation: ‘Cyclotrons: Classic to FFAG’ - 2002 Thomas focusing and later the Okhawa-Symon-Kolomenski FFAG

  3. Slides from the Rick Baartman presentation: In 1954, Kerst realized that the sectors need not be symmetric.By tilting the edges, the one edge became more focusing and theother edge less. But by the strong focusing principle (larger betatron amplitudes in focusing, smaller in defocusing), one could gain nevertheless. This had the important advantage that reverse bends would not be needed (reverse bends made the machine excessively large). (Figure is from J.R. Richardson notes.) The resulting machines no longer had alternating gradients, but Kerst and Symon called them FFAGs anyway.

  4. Slides from the Rick Baartman presentation:

  5. Slides from the Rick Baartman presentation: Dejan Trbojevic Decmber 3, 2005

  6. e+ e- R sin q sin f f r = r R q Dejan Trbojevic December 4, 2005

  7. Polymorphic Tracking Code (PTC) edge effect calculation Dejan Trbojevic December 4, 2005

  8. Dejan Trbojevic April 3, 2005 FFAG Workshop 2005

  9. +q -q e Dejan Trbojevic December 4, 2005

  10. Dejan Trbojevic December 4, 2005

  11. Dejan Trbojevic December 4, 2005

  12. Dejan Trbojevic December 4, 2005

  13. Dejan Trbojevic December 4, 2005

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