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Improved charge breeding efficiency of light ions with an electron cyclotron resonance ion source

R. Vondrasek 1 P. Delahaye 2 S. Kutsaev 1 L. Maunoury 2
1 ANL - Argonne National Laboratory [Lemont]
2 GANIL - Grand Accélérateur National d'Ions Lourds
Abstract : The Californium Rare Isotope Breeder Upgrade is a new radioactive beam facility for the Argonne Tandem Linac Accelerator System (ATLAS). The facility utilizes a 252Cf fission source coupled with an electron cyclotron resonance ion source to provide radioactive beam species for the ATLAS experimental program. The californium fission fragment distribution provides nuclei in the mid-mass range which are difficult to extract from production targets using the isotope separation on line technique and are not well populated by low-energy fission of uranium. To date the charge breeding program has focused on optimizing these mid-mass beams, achieving high charge breeding efficiencies of both gaseous and solid species including 14.7% for the radioactive species 143Ba27+. In an effort to better understand the charge breeding mechanism, we have recently focused on the low-mass species sodium and potassium which up to present have been difficult to charge breed efficiently. Unprecedented charge breeding efficiencies of 10.1% for 23Na7+ and 17.9% for 39K10+ were obtained injecting stable Na+ and K+ beams from a surface ionization source.
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http://hal.in2p3.fr/in2p3-00770823
Contributor : Michel Lion <>
Submitted on : Monday, January 7, 2013 - 3:28:09 PM
Last modification on : Thursday, February 1, 2018 - 1:33:20 AM

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R. Vondrasek, P. Delahaye, S. Kutsaev, L. Maunoury. Improved charge breeding efficiency of light ions with an electron cyclotron resonance ion source. Review of Scientific Instruments, American Institute of Physics, 2012, 83, pp.113303. ⟨10.1063/1.4768533⟩. ⟨in2p3-00770823⟩

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