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The potassium background is the key in the accelerator ion source for 40K measurement. The high-pure copper is adopted to investigate the potassium background in the experiment. The cathode of the ion source is made of high-pure copper directly. After one
The potassium background is the key in the accelerator ion source for 40K measurement. The high-pure copper is adopted to investigate the potassium background in the experiment. The cathode of the ion source is made of high-pure copper directly. After one