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In this paper, we focus on a PIG source for producing intense H-ions inside a9 MeV cyclotron. The properties of the PIG ion source were simulated for avariety of electric field distributions and magnetic field strengths using CSTparticle studio. After analyzing secondary electron emission (SEE) as afunction of both magnetic and electric field strengths, we found that for themodeled PIG geometry a magnetic field strength of 0.2 T provided the bestresults in terms of the number of secondary electrons. Furthermore, at 0.2 Tthe number of secondary electrons proved to be greatest regardless of thecathode potential. Also the modified PIG ion source with quartz insulationtubes was tested in KIRAMS-13 cyclotron by varying gas flow rate and arccurrent, respectively. The capacity of the designed ion source was alsodemonstrated by producing plasma inside the constructed 9MeV cyclotron. As aresult, the ion source is verified to be capable of producing intense H- beamand high ion beam current for the desired 9 MeV cyclotron. The simulationresults provide experimental constraints for optimizing the strength of theplasma and final ion beam current at target inside a cyclotron.

Simulation of Electron Behavior in PIG Ion Source for 9MeV Cyclotron