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Analysis and Control of Beam Dynamics in EMMA

Kai Hock and Andy Wolski. Analysis and Control of Beam Dynamics in EMMA. STFC PPRP Meeting, Glasgow, 24 June 2009. Overview. The objective The project The risks Our track record The STFC mission The conclusion. The objective.

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Analysis and Control of Beam Dynamics in EMMA

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  1. Kai Hock and Andy Wolski Analysis and Control of Beam Dynamics in EMMA STFC PPRP Meeting, Glasgow, 24 June 2009

  2. Overview • The objective • The project • The risks • Our track record • The STFC mission • The conclusion

  3. The objective To develop the methods to accelerate particles in a nonscaling FFAG accelerator: Liver cancer 1 month later To carry out simulation for the proton beam that would be used for cancer treatment. To develop methods to control the complex beam behaviours. To test these on a prototype , called EMMA, which uses electrons. Tsukuba University, Japan

  4. The project This type of accelerator is called a nonscaling FFAG. It is expected to be smaller and cheaper than existing alternatives. This has smaller magnets than a cyclotron, and can accelerate much faster than a synchrotron. Beam can become unstable more easily when accelerated. As revolution time decreases, particles would not synchronise with the accelerating cavities. We have to develop new methods to control the beam. EMMA, Daresbury

  5. The risks Accelerator physicists have calculated and simulated the nonscaling FFAG for 10 years: PoP FFAG EMMA is an electron machine. It is designed to test muon acceleration. For cancer therapy, protons and ions are used. New tests must be developed. EMMA is the first nonscaling FFAG. This project would contribute to the UK leadership. FFAG (Japan) EMMA Nonscaling FFAG (UK)

  6. Our track record The Liverpool accelerator physics group has strong expertise in circular accelerators: We are the international leader in damping rings. We have experience in beam optics, instabilities and modellingmagnetic fields. These topics are crucial to beam control in the nonscaling FFAG We work in close collaboration with ASTeC, who is building EMMA.

  7. The STFC mission The potential applications of nonscaling FFGA are: Medicine. Energy can be changed easy. So the beam could target cancer cells in different parts of the body. Also cheaper. Energy. High beam current is possible. This could be used in subcritical reactors to produce safe, clean nuclear power. Science. The rapid acceleration could be appropriate for short lived particles, such as muons. Industry. The above researches have strong potential for knowledge transfer.

  8. Conclusion We plan to use EMMA to model a nonscaling FFAG for protons and ions. We propose to: contribute to developing an online model to enable rapid tuning and effective control of the machine, participate in beam commissioning when EMMA is completed, and develop and test beam control methods for cancer treatment. To carry out this work, we would like to request for 1 postdoc and 1 PhD student.

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