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UNISOR on-line nuclear orientation facility (UNISOR/NOF)

  • New On-Line Facilities and Cryogenic Developments
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Abstract

The UNISOR on-line nuclear orientation facility (UNISOR/NOF) consists of a3He−4He dilution refrigerator on line to the isotope separator. Nuclei are implanted directly into a target foil which is soldered to the bottom accessed cold finger of the refrigerator. A 1.5 T superconducting magnet polarizes the ferromagnetic target foils and determines the axis of symmetry. Up to eight gamma detectors can be positioned around the refrigerator, each 9 cm from the target. A unique feature of this system is that the k=4 term in the directional distribution function can be directly and unambigously deduced so that a single solution for the mixing ratio can be found. The first on-line experiment at this facility reported here was a study of the decay of the191Hg and193Hg isotopes.

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Authors and Affiliations

  1. Vanderbilt University, 37235, Nashville, TN, U.S.A.

    I. C. Girit

  2. UNISOR, Oak Ridge Associated Universities, 37830, Oak Ridge, TN, U.S.A.

    I. C. Girit

  3. Oak Ridge National Laboratory, 37831, Oak Ridge, TN, U.S.A.

    G. D. Alton

  4. University of Tennessee, 37996, Knoxville, TN, U.S.A.

    C. R. Bingham

  5. UNISOR, Oak Ridge Associated Universities, 37830, Oak Ridge, TN, U.S.A.

    H. K. Carter & M. L. Simpson

  6. INEL, 83415, Idaho Falls, ID, U.S.A.

    J. D. Cole

  7. Mississippi State University, 39762, Mississippi State, MS, U.S.A.

    W. L. Croft

  8. Vanderbilt University, 37235, Nashville, TN, U.S.A.

    J. H. Hamilton, E. F. Jones, P. M. Gore, J. Kormicki & H. Xie

  9. University of Kentucky, 40506, Lexington, KY, U.S.A.

    B. D. Kern

  10. Oregon State University, 97331, Corvallis, OR, U.S.A.

    K. S. Krane & Y. S. Xu

  11. University of Maryland, 20742, College Park, MA, U.S.A.

    P. F. Mantica Jr. & B. E. Zimmerman

  12. Mississippi College, 39058, Clinton, MS, U.S.A.

    W. G. Nettles

  13. Louisiana State University, 70803, Baton Rouge, LA, U.S.A.

    E. F. Zganjar & M. O. Kortelahti

  14. Washington and Lee University, 24450, Lexington, VA, U.S.A.

    W. B. Newbolt

Authors
  1. I. C. Girit
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  2. G. D. Alton
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  3. C. R. Bingham
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  4. H. K. Carter
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  5. M. L. Simpson
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  6. J. D. Cole
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  7. W. L. Croft
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  8. J. H. Hamilton
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  9. E. F. Jones
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  10. P. M. Gore
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  11. J. Kormicki
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  12. H. Xie
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  13. B. D. Kern
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  14. K. S. Krane
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  15. Y. S. Xu
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  16. P. F. Mantica Jr.
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  17. B. E. Zimmerman
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  18. W. G. Nettles
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  19. E. F. Zganjar
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  20. M. O. Kortelahti
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  21. W. B. Newbolt
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Girit, I.C., Alton, G.D., Bingham, C.R. et al. UNISOR on-line nuclear orientation facility (UNISOR/NOF). Hyperfine Interact 43, 151–156 (1988). https://doi.org/10.1007/BF02398295

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  • DOI: https://doi.org/10.1007/BF02398295

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