| 1 | DECRIS-4离子源的初步测试结果(英文)显示文摘The ECR ion source DECRIS-4 has been designed and constructed at the FLNR JINR to be used as a second injector of heavy multiply charged ions for the U-400 cyclotron.The design of the magnetic structure of the source was based on the idea of the so-called'magnetic plateau'.The axial magnetic field is formed by three independent solenoids enclosed in separated iron yokes.As a result the superposition of the coils and hexapole magnetic fields creates the enlarged resonance volume.The first experiments showed that the source was able to produce more than 300eμA of Ar8+ when only 100W of microwave power was used. During the last experiment almost 500eμA of Ar8+ was extracted with the same power.In this paper we will present the preliminary results with other gaseous ions,such as oxygen,krypton and xenon. | V.Bekhterev S.Bogomolov A.Efremov G.Gulbekian Yu.Kostyukhov A.Lebedev M.Leporis V.Loginov N.Yazvitsky | 2007 | Chinese Physics C2007，31，S1： | 0 |
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