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Characteristics of a nitrogen-jet system in KUR-ISOL |
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| Authors: | Taher Sharshar Kotoyuki Okano Yoichi Kawase |
| Affiliation: | Research Reactor Institute, Kyoto University, Kumatori-cho, Sennan-gun, Osaka 590-04, Japan |
| Abstract: | The basic characteristics of a N2-jet system coupled with a surface-ionization type ion source have been investigated at KUR-ISOL. The yields of transported activities and ionized ions have been measured under various conditions for both the He- and N2-jets. The effects of N2 gas upon the ionization and skimmer efficiency have been investigated. It was found that N2 gas has almost no effect upon the ionization efficiency, but causes poorer skimmer efficiency than He gas owing to the large opening angle of aerosol particles at the outlet of a capillary. A mixture of He and N2 gases was also tested. |
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