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| WEPLT169 |
Benchmark and Threshold Analysis of Longitudinal Microwave Instability in the PSR
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2221 |
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- S.M. Cousineau, J.A. Holmes
ORNL/SNS, Oak Ridge, Tennessee
- C. Beltran, R.J. Macek
LANL/LANSCE, Los Alamos, New Mexico
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A set of inductive inserts used to provide passive longitudinal space charge compensation in the Los Alamos Proton Storage Ring cause a strong microwave instability in the beam when the inductors are at room temperature. We use the ORBIT code to perform benchmarks of the microwave instability dynamics, including the mode spectrum and the instability growth time. Additionally, we analyze the experimental instability intensity threshold and compare it with the simulated threshold. For all parameters benchmarked, results of simulations are in good agreement with the experimental data.
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