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First chemical on-line separation and detection of a subsecond α-decaying nuclide, 224Pa

  • B. Wierczinski
  • K. E. Gregorich
  • B. Kadkhodayan
  • D. M. Lee
  • L. G. Beauvais
  • M. B. Hendricks
  • C. D. Kacher
  • M. R. Lane
  • D. A. Keeney-Shaughnessy
  • N. J. Stoyer
  • D. A. Strellis
  • E. R. Sylwester
  • P. A. Wilk
  • D. C. Hoffman
  • R. Malmbeck
  • G. Skarnemark
  • J. Alstad
  • J. P. Omtvedt
  • K. Eberhardt
  • M. Mendel
  • A. Nähler
  • N. Trautmann
Article

Abstract

Subsecond 224 Pa (T 1/2 = 0.85 s) was produced via the 209 Bi(18 O,3n)224 Pa reaction at the 88 inch cyclotron at the Lawrence Berkeley National Laboratory. After production it was transported via a gas-jet system to the centrifuge system SISAK 3. Following on-line extraction with trioctylamine/scintillation solutions from 1M lactic acid, 224 Pa was detected applying on-line α-liquid scintillation counting. Unambiguous identification was achieved using time-correlated α-α-decay chain analysis. This constitutes the first chemical on-line separation and detection of a subsecond α-decaying nuclide, 0.85-s 224 Pa with the fast extraction system SISAK 3.

Keywords

Lawrence Berkeley National Laboratory Protactinium Liquid Scintillation Detection Swedish Natural Science Research Council Hydroxyisobutyric Acid 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Kluwer Academic Publishers/Akadémiai Kiadó 2001

Authors and Affiliations

  • B. Wierczinski
    • 1
    • 2
    • 3
  • K. E. Gregorich
    • 1
  • B. Kadkhodayan
    • 1
  • D. M. Lee
    • 1
  • L. G. Beauvais
    • 1
  • M. B. Hendricks
    • 1
  • C. D. Kacher
    • 1
  • M. R. Lane
    • 1
  • D. A. Keeney-Shaughnessy
    • 1
  • N. J. Stoyer
    • 1
  • D. A. Strellis
    • 1
  • E. R. Sylwester
    • 1
  • P. A. Wilk
    • 1
  • D. C. Hoffman
    • 1
  • R. Malmbeck
    • 2
  • G. Skarnemark
    • 2
  • J. Alstad
    • 4
  • J. P. Omtvedt
    • 4
  • K. Eberhardt
    • 5
  • M. Mendel
    • 5
  • A. Nähler
    • 5
  • N. Trautmann
    • 5
  1. 1.Nuclear Science Division, MS-70/319, Lawrence Berkeley National Laboratory, and Chemistry DepartmentUniversity of CaliforniaBerkeleyUSA
  2. 2.Department of Nuclear ChemistryChalmers University of TechnologyGöteborgSweden
  3. 3.Department of Radiochemistry, Interfaculty Reactor InstituteDelft University of TechnologyDelftThe Netherlands
  4. 4.Department of ChemistryUniversity of OsloOsloNorway
  5. 5.Institut für KernchemieJohannes Gutenberg-Universität MainzMainzGermany

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