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| MOPJE022 |
Physical Model of Partial RF Discharge in Isochronous Cyclotrons |
323 |
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- V.S. Dyubkov
MEPhI, Moscow, Russia
- S. Korenev
Siemens Medical Solutions Molecular Imaging, Knoxville, TN, USA
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The physical model for the partial RF discharge - based on the ionization of molecules of residual gas by electron detachment as a result of the electro-dissociation of negative hydrogen ions in isochronous cyclotrons - is proposed in this paper. The result of the simulation of the ionization of gas molecules by these electrons using RF voltage inside the Eclipse cyclotron (kinetic energy of 11 MeV) is presented. The analysis of the conductivity of the RF plasma (partial RF discharge) is given. The influence of the magnetic field on the properties of the partial RF discharge is discussed. The application of this model is for isochronous cyclotrons with low kinetic energy (10-15 MeV).
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| DOI • |
reference for this paper
※ https://doi.org/10.18429/JACoW-IPAC2015-MOPJE022
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