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High-Energy eFFAG Accelerator Design Study for Sterilization Applications

Join the collaborative effort led by Yuasa, Yoshimasa Working Group, and NHVC to develop a cutting-edge 10MeV electron accelerator surpassing IBA Rhodtron. Explore the innovative design requirements for this promising technology.

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High-Energy eFFAG Accelerator Design Study for Sterilization Applications

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  1. eFFAG design study YUASA, Yoshimasa Working Group 3

  2. Collaborators • NHVC • Baba, Yuasa, Takahashi • MELCO • Nagayama, Tanaka, Ishi • MHI • Yoshida • KEK • Kurokawa, Mori, Taki, Win, Yonemura • Hiroshima Univ. • Okabe

  3. Motivation • Sterilization • 10MeV electron accelerator • IBA Rhodtron • TT300 (10MeV, 200kW)

  4. Goal • The eFFAG must be beyond IBA Rhodtron • Requirements for 10MeV, 200kW eFFAG • Energy 100keV-10MeV • Average/Peak current 20mA/100mA • Duty 20% • Outer diameter <3m • Power consumption <500kW • Weight <11 ton • Cost <¥500M

  5. View in Goal • Based on FFAG03 design

  6. Works • Optics design • Linear optics • Injection scheme • Base on FFAG03 work • Induction acceleration • Core design • Magnet design • Distributed coil model • Extraction scheme • Massless septum

  7. Optics • Linear optics (hard edge)

  8. Optics • Parameters

  9. Induction acceleration • Core design

  10. Magnet • Distributed coil model It is K=1.6 !

  11. Extraction • Massless Septum • FFAG03

  12. Extraction • Massless septum • Resonance

  13. View

  14. Summary • 10 MeV eFFAG is promising… • Parameters • Energy 100keV-10MeV • Outer diameter 2.3m < 3m • Average/Peak current 20mA / 100mA • Duty 20% • Repetition 5kHz • Power consumption <500kW • Weight 8ton < 11ton • Cost ¥300M < ¥500M • 40% cost down!!!

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