On-line commissioning of the HRIBF resonant ionization laser ion source

  • Y. Liu
  • , C. U. Jost
  • , A. J. Mendez
  • , D. W. Stracener
  • , C. L. Williams
  • , C. J. Gross
  • , R. K. Grzywacz
  • , M. Madurga
  • , K. Miernik
  • , D. Miller
  • , S. Padgett
  • , S. V. Paulauskas
  • , K. P. Rykaczewski
  • , M. Wolinska-Cichocka

    Research output: Contribution to journalArticlepeer-review

    22 Scopus citations

    Abstract

    A highly selective resonant ionization laser ion source has been successfully commissioned at the Holifield Radioactive Ion Beam Facility, Oak Ridge National Laboratory, for the production of pure beams of short-lived nuclei for spectroscopic studies. The laser ion source provided beams of neutron-rich Ga isotopes to the Low-energy Radioactive Ion Beam Spectroscopy Station for beta decay measurements. The radioactive Ga isotopes were produced by 50-MeV proton induced fission of 238U and ionized by laser radiation using a two-step resonant ionization scheme. Isobarically pure 83Ga, 85Ga, and 86Ga beams were delivered to the experiment at approximate rates of 12,000 ions/s, 100 ions/s, and 3 ions/s, respectively.

    Original languageEnglish
    Pages (from-to)5-12
    Number of pages8
    JournalNuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms
    Volume298
    DOIs
    StatePublished - 2013

    Funding

    Notice: This manuscript has been authored by UT-Battelle, LLC, under Contract No. DE-AC05-00OR22725 with the U.S. Department of Energy. The United States Government retains and the publisher, by accepting the article for publication, acknowledges that the United States Government retains a non-exclusive, paid-up, irrevocable, world-wide license to publish or reproduce the published form of this manuscript, or allow others to do so, for United States Government purposes. We gratefully acknowledge the hard work by the operations staff of HRIBF in delivering the high intensity proton beams. This work is supported by the U.S. Department of Energy , Office of Nuclear Physics, under contract number DE-AC05-00OR22725 with UT-Battelle, LLC, and sponsored in part by the National Nuclear Security Administration under the Stewardship Science Academic Alliances program through DOE Cooperative Agreement No. DE-FG52-08NA28552 and Office of Nuclear Physics , U.S. Department of Energy under contract DE-FG02-96ER40983 .

    Keywords

    • Gallium
    • Laser ion source
    • Radioactive ion beam
    • Resonant ionization

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