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Brice Cannon † ** Research Advisor (s): Fredrik Wenander **, Anna Gustafsson **

Design of Beam Line for Ion Transport at Low Energies and The Ejection of Specific Ions From Electron Beam. Brice Cannon † ** Research Advisor (s): Fredrik Wenander **, Anna Gustafsson ** Supervisor: Alexander Herlert ** CERN**,Norfolk State University †. Introduction. ISOLDE REX-ISOLDE

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Brice Cannon † ** Research Advisor (s): Fredrik Wenander **, Anna Gustafsson **

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  1. Design of Beam Line for Ion Transport at Low Energies and The Ejection of Specific Ions From Electron Beam Brice Cannon†** Research Advisor (s): Fredrik Wenander **, Anna Gustafsson** Supervisor: Alexander Herlert** CERN**,Norfolk State University†

  2. Introduction • ISOLDE • REX-ISOLDE • Beam Line • EBIS • RF-Field • Conclusion • Experiences

  3. ISOLDE & REX-ISOLDE

  4. Initial Beam Line Ions from REX-EBIS 2.96m Ions to WITCH Ions from REX-EBIS 1.56 m

  5. Emittance: Initial Design

  6. Final Beam line Ions from REX-EBIS Ions to WITCH 2.96m Ions from REX-EBIS 1.56 m

  7. Emittance: Final Design

  8. Original vs. Final Design

  9. Design of Beam Line for Ion Transport at Low Energies and The Ejection of Specific Ions From Electron Beam Brice Cannon†** Research Advisor(s): Fredrik Wenander **, Anna Gustafsson** Supervisor: Alexander Herlert** CERN**,Norfolk State University†

  10. Electron Beam Ion Source • Maximum efficiency is ~25% • Charge state distribution • Eject ions from electron beam • Orbit around beam • Higher efficiency 1+ xn+ 4+ 6+ 1+ A/q 4+ 2+ 1+ A/q

  11. Electron Beam Potential Direction of Electron Beam 0 V -490 V

  12. Results of EBIS RF-Field Angular velocity of 15 rad/µsec RF voltage of 250 V 16O 1+ 10 cm 2+ 4+ 8+

  13. Conclusion • 100% transmission for beam line to WITCH experiment • Further development of the beam line and construction • All components of the EBIS simulation with RF-field are complete individually • Implement the EBIS with RF-field into different program and test

  14. Experiences

  15. Questions Questions?

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