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Comments on the Behavior of al in Main Injector y, Jump Schemes
| Content Provider | Semantic Scholar |
|---|---|
| Author | Peggs, Stephen |
| Copyright Year | 1991 |
| Abstract | Tracking studies of transition crossing in the Main Injector have shown that the Johnsen effect is the dominant cause of beam loss and emittance blow up. To suppress this effect one has to have control over a, (dispersion of the momentum compaction factor ol). Various yr jump configurations are examined and the resulting changes in a, are assessed. These results are further validated by comparison between the simulation and simple analytic or-formulas derived for a model FODO lattice with full chromaticity compensation in the presence of an eddy current sextupole component. A scheme involving the introduction of a dispersion wave in the arcs of the Main Injector, around transition time, seems to be promising if one regards the strength of the eddy current sextupole family as an external “knob” to control values of a,. |
| File Format | PDF HTM / HTML |
| Alternate Webpage(s) | http://epaper.kek.jp/p91/pdf/pac1991_1657.pdf |
| Language | English |
| Access Restriction | Open |
| Content Type | Text |
| Resource Type | Article |