Reduction of beam breakup growth by cavity cross-couplings in recirculating accelerators | Zendy

D. Colombant | Zendy; Y. Y. Lau | Zendy; D. Chernin | Zendy

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<title>Reduction of beam breakup growth by cavity cross-couplings in recirculating accelerators</title>

Author(s) -

D. Colombant,

Y. Y. Lau,

D. Chernin

Publication year - 1991

Publication title -

proceedings of spie, the international society for optical engineering/proceedings of spie

Language(s) - English

Resource type - Conference proceedings

SCImago Journal Rank - 0.192

H-Index - 176

eISSN - 1996-756X

pISSN - 0277-786X

DOI - 10.1117/12.43524

Subject(s) - breakup , reduction (mathematics) , physics , upgrade , beam (structure) , beam energy , nuclear physics , coupling (piping) , atomic physics , amplitude , particle accelerator , optics , mechanics , engineering , computer science , mechanical engineering , mathematics , geometry , operating system

1407_54It is shown that cross-coupling among cavities may reduce beam breakup (BBU) growth in a recirculating accelerator. The main reason for this growth reduction is the sharing of the deflecting mode energy among coupled cavities. This result is based on a numerical study of the proof-of-principle experiment currently planned for the spiral line induction accelerator (SLIA, 35 ns, 10 kA, 8.5 MeV). Reduction of BBU amplitude by factors of several hundreds is also predicted for a SLIA upgrade (35 ns, 10 kA, 25 MeV) which consists of a 7-turn, 70-cavity system. Various issues are addressed.

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