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In this paper,two injection scenarios with different chopping rate are discussed.The waveforms of the RF voltage are studied and optimized,respectively.Some suggestions are made,concerning chopping and momentum painting of the injected beam.Furthermore,the momentum spread and transverse tune shift are calculated so that the beam aperture and the beam loss can be estimated.Finally,the beam loss with magnet field error is analyzed.
In this paper, two injection scenarios with different chopping rate are discussed.The waveforms of the RF voltage are studied and optimized, respectively.Some suggestions are made, concerning chopping and momentum painting of the injected beam. Future, the momentum spread and transverse tune shift are calculated so that the beam aperture and the beam loss can be estimated. Finally, the beam loss with magnet field error is analyzed.