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Alpha decay properties of199Rn and199mRn

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Zeitschrift für Physik A Atoms and Nuclei

Abstract

Theα-decays of199Rn (E α = (6.989±0.010) MeV,T 1/2>300ms) and of199mRn (E α = (7.060±0.015) MeVT 1/2=(61 +32−2 ) ms) were identified by anα-α-correlation method. They proceed via separated decay paths to195Po and195mPo, respectively. The spins of the involved states are discussed by aid of the shell model, and a tentative spin assignment is given.

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References

  1. Hyde, E.K., Ghiorso, A., Seaborg, G.J.: Phys. Rev.77, 765 (1950)

    Google Scholar 

  2. Valli, K., Nurmia, M.J., Hyde, E.K.: Phys. Rev.159, 1013 (1967)

    Google Scholar 

  3. Hornshøj, P., Wilsky, K., Hansen, P.G., Lindahl, A., Nilsen, O.B.: Nucl. Phys. A163, 277 (1971)

    Google Scholar 

  4. DiRienzo, A.C., Enge, H.A., Gazes, S.B., Salomaa, M.K., Sperduto, A., Schier, W., Wegner, H.E.: Phys. Rev. C21, 2101 (1980)

    Google Scholar 

  5. Enge, H.A., Salomaa, M.K., Sperduto, A., Schier, W., Wegner, H.E.: Phys. Rev. C24, 298 (1981)

    Google Scholar 

  6. Münzenberg, G., Faust, W., Hofmann, S., Armbruster, P., Güttner, K., Ewald, H.: Nucl. Instrum. Methods161, 65 (1979)

    Google Scholar 

  7. Clerc, H.-G., Gerhardt, H.J., Richter, L., Schmidt, K.-H.: Nucl. Instrum. Methods113, 325 (1973)

    Google Scholar 

  8. Schmidt, K.-H., Faust, W., Münzenberg, G., Clerc, H.-G., Lang, W., Pielenz, K., Vermeulen, D., Wohlfahrt, H., Ewald, H., Güttner, K.: Nucl. Phys. A318, 253 (1979)

    Google Scholar 

  9. Vermeulen, D., Clerc, H.-G., Lang, W., Schmidt, K.-H., Münzenberg, G.: Z. Phys. A — Atoms and Nuclei294, 149 (1980)

    Google Scholar 

  10. Perlmann, L., Rasmussen, J.O.: Handbuch der Physik. Vol. 42, p. 109. Göttingen, Heidelberg: Springer 1957

    Google Scholar 

  11. Lederer, C.M., Shirley, V.S.: Table of Isotopes. 7th ed. New York: John Wiley & Sons 1978

    Google Scholar 

  12. Sikkeland, T., Silva, R.J., Ghiorso, A., Nurmia, M.J.: Phys. Rev. C1, 1564 (1970)

    Google Scholar 

  13. LeBeyec, Y., Hahn, R.L., Toth, K.S., Eppley, R.: Phys. Rev. C14, 1038 (1976)

    Google Scholar 

  14. Reisdorf, W.: Int. Worksh. on Gross Prop. of Nuclei and Nuclear Excitation. Hirschegg, Austria 1979, Institut für Kernphysik TH Darmstadt, Darmstadt 1979, p. 93

    Google Scholar 

  15. Bohr, A., Mottelson, B.: Nuclear Structure. New York: Benjamin 1969

    Google Scholar 

  16. Rasmussen, J.O.: Phys. Rev.115, 1675 (1959)

    Google Scholar 

  17. UNISOR Project ORNL-5025, 68 (1975) Nuclear Physics Research

  18. Liran, S., Zeldes, N.: At. Data Nucl. Data Tables17, 411 (1976)

    Google Scholar 

  19. Myers, W.D.: Droplet model of atomic nuclei. New York: Plenum 1977

    Google Scholar 

  20. Möller, P., Nix, J.R.: At. Data Nucl. Data Tables26, 165 (1981)

    Google Scholar 

  21. Rytz, A.: At. Data Nucl. Data Tables12, 479 (1973)

    Google Scholar 

  22. Valli, K., Hyde, E.K., Borggreen, J.: Phys. Rev. C1, 2115 (1970)

    Google Scholar 

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Authors and Affiliations

  1. Institut für Kernphysik, Technische Hochschule Darmstadt, Federal Republic of Germany

    R. Hingmann, H. -G. Clerc, C. -C. Sahm & D. Vermeulen

  2. Gesellschaft für Schwerionenforschung, GSI, Darmstadt, Federal Republic of Germany

    K. -H. Schmidt & J. G. Keller

Authors
  1. R. Hingmann
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  2. H. -G. Clerc
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  3. C. -C. Sahm
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  4. D. Vermeulen
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  5. K. -H. Schmidt
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  6. J. G. Keller
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Additional information

The authors are grateful to G. Münzenberg and F.P. Heßberger for their experimental support. Furthermore we thank the UNILAC operating group for delivering a stable beam. This work was supported by BMFT.

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Hingmann, R., Clerc, H.G., Sahm, C.C. et al. Alpha decay properties of199Rn and199mRn. Z Physik A 309, 27–31 (1982). https://doi.org/10.1007/BF01420147

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  • DOI: https://doi.org/10.1007/BF01420147

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