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Experimental and theoretical investigation of the Preglow in ECRIS

Abstract : A careful study of pulsed mode operation of the PHOENIX ECR ion source has clearly demonstrated the reality of an unexpected transient current peak occurring at the very beginning of the gas breakdown. This regime was named the Preglow, as an explicit reference to the classical Afterglow occurring at the microwave pulse end. After the transient Preglow peak, the plasma regime relaxes to the classical steady state one. Argon Preglow experiments performed at LPSC are presented. A theoretical 0-dimension model of ECR gas breakdown in a magnetic trap, developed at IAP RAS, is presented in detail. Results of the simulation are compared with the experimental Preglow peaks and discussed.
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Submitted on : Tuesday, October 14, 2008 - 10:11:11 AM
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I.V. Izotov, T. Lamy, L. Latrasse, A.V. Sidorov, V.A. Skalyga, et al.. Experimental and theoretical investigation of the Preglow in ECRIS. IEEE Transactions on Plasma Science, Institute of Electrical and Electronics Engineers, 2008, 36/4, pp.1494-1501. ⟨10.1109/TPS.2008.927292⟩. ⟨in2p3-00193403v2⟩



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