Phys. Rev. E 61, 855–861 (2000)Particle-core study of halo dynamics in periodic-focusing channelsReceived 4 August 1999; published in the issue dated January 2000 This paper reports on an approach to investigate the dynamics of halo particles in mismatched charged-particle beams propagating through periodic-focusing channels using the particle-core model. The proposed method employs canonical transformations to minimize, in new phase-space variables, the flutter due to the periodic focusing to allow making stroboscopic plots. Applying this method, we find that in periodic-focusing systems, certain particles initially not in the halo region can be brought into resonance with the core oscillation to become halo particles. © 2000 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevE.61.855
DOI:
10.1103/PhysRevE.61.855
PACS:
41.85.-p, 29.17.+w, 29.27.Bd
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