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Combined target-ion source unit for production of rare nuclides

Abstract : A combined target-ion source unit (ionizing target) has been developed for the on-line production of radioactive single-charged ions. The target is able to withstand temperatures of up to 2500 °C and also acts as an ion source of surface, electron-beam, and laser ionizations. Using tantalum foil as a target material, the on-line combined target-ion source unit efficiency, which is the product of the ionization and release efficiencies, has been obtained for neutron-deficient isotopes of Eu, Gd, and Yb. These nuclides were ionized by the surface ionization inside a hot tungsten target container, holding tantalum foils as a target material. The results of the combined target-ion source unit use for on-line laser resonant ionization spectroscopy investigation of neutron-deficient Gd isotopes have been also presented. For neutron-rich isotopes produced from a high-density UC target, which were ionized by the surface ionization inside the target container, the ionization efficiency values have been obtained close to 100% for Rb and Cs and 10% for In. For Ag and Sn neutron-richisotopes, the values of the electron-beam ionization efficiency in the volume of the targetcontainer, correspondingly equal to 4% and 2%, have been obtained.
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http://hal.in2p3.fr/in2p3-00025880
Contributor : Michel Lion <>
Submitted on : Monday, April 3, 2006 - 11:36:56 AM
Last modification on : Wednesday, September 16, 2020 - 4:08:30 PM

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V. N. Panteleev, A. E. Barzakh, D. V. Fedorov, A. M. Ionan, K. A. Mezilev, et al.. Combined target-ion source unit for production of rare nuclides. 11th International Conference on Ions Sources (ICIS05), Sep 2005, Caen, France. pp.03A705, ⟨10.1063/1.2163869⟩. ⟨in2p3-00025880⟩

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