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INTERNAL H- ION SOURCE FOR CYCLOTRONS

The results of experimental studies of the ion source with a cold hollow cathode for production of H− ions are presented. The cavity parameters for effective hollow cathode operation in the PIG‐type of discharge have been found and a H−‐ion current up to 2 mA at a small gas flow rate has been obtained. The ion source can be used as an internal ion source in cyclotrons.