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| MOPIK104 |
Top-Up Injection With Anti-Septum |
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- C.H. Gough, M. Aiba
PSI, Villigen PSI, Switzerland
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We present a novel improvement for injection into the very restricted machine aperture of future light source synchrotrons. A conventional injection scheme is based on a septum to deflect the injected bunch plus a fast pulsed three or four kicker bump to bring the stored beam close to the septum wall. With the novel improvement, the bump kickers are fitted with a thin wall longitudinal metal plate which screens the injected bunch from deflection without changing the stored beam bump behaviour. This metal screen then forms the final septum, but inverted in function of the conventional approach, hence the name anti-septum. The approach does not remove the need for the main septum magnet, but for modest cost it permits the injected bunch to be brought closer to the stored beam. Application of the anti-septum to the SLS-2 project and simulation results on a prototype are presented.
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| DOI • |
reference for this paper
※ https://doi.org/10.18429/JACoW-IPAC2017-MOPIK104
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