Tailoring of Specific Sizes of Cluster Ions for Producing Intense Negative Ion Beams

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概要

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• For the purpose of producing an intense beam of monoatomic negative hydrogen ions from a beam of accelerated positive hydrogen cluster ions, the mean specific size of the cluster ions of 10^3 atoms/charge for an acceleration voltage of 1 MV is necessary for efficient formation of the negative ions. A fundamental investigation on the tailoring of specific sizes has been carried out by using nitrogen cluster ions with a mean specific size of 10^5 atoms/charge. The nitrogen cluster ions were accelerated at a voltage of up to 20 kV before entering the divider which reduced their specific sizes by multiple ionization. The order of magnitude of the mean reduced specific size is 10^3-10^4 atoms/charge for the ionizing electron current up to 140 mA. These values were crosschecked by defferent experimental methods, examined theoretically and concluded to be resonable.

• 社団法人応用物理学会の論文
• 1978-09-05

著者

• Enjoji Hiroshi

  Thermonucler Fusion Laboratory The Institute Of Physical And Chemical Research

• Enjoji Hiroshi

  Thermonuclear Fusion Laboratory Institute Of Physical And Chemical Research

• Be Suck

  Thermonucler Fusion Laboratory The Institute Of Physical And Chemical Research

• YANO Katsumi

  Thermonucler Fusion Laboratory, The Institute of Physical and Chemical Research

• Yano Katsumi

  Thermonucler Fusion Laboratory The Institute Of Physical And Chemical Research

関連論文

• Tailoring of Specific Sizes of Cluster Ions for Producing Intense Negative Ion Beams
• Discharge Mechanism of Energetic Carbon Arc
• A Bisection Break-Up Theory for Cluster Ions and Its Application to the Design of Mean Specific Size Controllers
• Low-Frequency Oscillations in a Magnetized Carbon Arc
• Effects of Break-Up Ratios and Distribution Functions of Specific Size on the Mean Specific Size of Cluster Ions

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