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Halo Generation and Beam Cleaning by Resonance Trapping
Author(s) -
Alex Chao
Publication year - 2003
Publication title -
aip conference proceedings
Language(s) - English
Resource type - Conference proceedings
SCImago Journal Rank - 0.177
H-Index - 75
eISSN - 1551-7616
pISSN - 0094-243X
DOI - 10.1063/1.1638375
Subject(s) - halo , resonance (particle physics) , beam (structure) , trapping , mechanism (biology) , nonlinear system , physics , optics , atomic physics , optoelectronics , materials science , quantum mechanics , galaxy , ecology , biology
One of the mechanisms of halo generation occurs when particles are trapped by a nonlinear resonance ν ≈ m/p as the tune ν is being modulated. This note is intended to renew some attention to this mechanism, and hopefully to trigger new study to understand it more quantitatively. This same mechanism used in reverse could serve to clean beam halos and to relax requirements on the collimators.

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