Some Limitations in Lear
In order to operate a machine safely, one needs to find a working point in the center of a resonance free region of the tune diagram. This allows for easier beam manipulations at higher intensity. Resonances and LEAR tune diagram are discussed in the first part of this paper. In the second part, coherent instabilities are briefly mentioned. Emphasis is put on space charge which is one of the dominant problems in a low energy machine.
KeywordsSpace Charge Storage Ring Machine Axis Fold Symmetry Momentum Spread
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