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Chung, Moses
Intense Beam and Accelerator Lab.
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Simulation of beam-induced plasma in gas filled cavities

Author(s)
Yu, KSamulyak, R.Tollestrup, A.Yonehara, K.Freemire, B.Chung, Moses
Issued Date
2015-05-03
URI
https://scholarworks.unist.ac.kr/handle/201301/39510
Citation
6th International Particle Accelerator Conference (IPAC 2015), pp.731 - 733
Abstract
Understanding of the interaction of muon beams with plasma in muon cooling devices is important for the optimization of the muon cooling process. SPACE, a 3D electromagnetic particle-in-cell (EM-PIC) code, is used for the simulation support of the experimental program on the hydrogen gas filled RF cavity in the Mucool Test Area (MTA) at Fermilab. We have investigated the plasma dynamics in the RF cavity including the process of power dump by plasma (plasma loading), recombination of plasma, and plasma interaction with dopant material. By comparison with experiments in the MTA, simulations suggest several unknown properties of plasma such as the effective recombination rate, the electron attachment time on dopant molecule, and the ion - ion recombination rate in the plasma
Publisher
IPAC
ISBN
978-395450168-7

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