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Reorientation effect measurements of even mercury isotopes

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Zeitschrift für Physik A Atoms and Nuclei

Abstract

Reorientation effect and multiple Coulomb excitation measurements have been performed for198, 200, 202, 1204Hg. By measuring particle spectra after Coulomb excitation of an enriched198Hg target with4He and16O beams, a positive quadrupole moment of Q2 = 0.66±0.18 eb (for negative interference) or Q2=0.80±0.18 eb (for positive interference) andB(E2,0→2)=0.991±0.006 e2b2 were obtained. All otherB(E2) values and quadrupole moments were determined relative to these numbers from preciseγ-ray yields obtained from Coulomb excitation of a frozennatHg target with4He and16O projectiles. Oblate shapes of all Hg isotopes were found. The data have been interpreted in terms of triaxial rotation and anharmonic vibrations.

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Author notes

  1. A. M. Kleinfeld

    Present address: Biophysical Laboratory, Harvard Medical School, Harvard University, Cambridge, USA

Authors and Affiliations

  1. I. Physikalisches Institut der Universität zu Köln, Germany

    A. Bockisch, K. Bharuth-Ram (A. v. Humboldt fellow from the University of Durban-West-ville) & A. M. Kleinfeld

  2. Institut für Kernphysik der Universität zu Köln, Köln, Germany

    K. P. Lieb

  3. Durban, South Africa

    K. Bharuth-Ram (A. v. Humboldt fellow from the University of Durban-West-ville)

Authors
  1. A. Bockisch
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  2. K. Bharuth-Ram
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  3. A. M. Kleinfeld
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  4. K. P. Lieb
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Additional information

Supported by the Deutsche Bundesministerium für Forschung und Technologie

The authors appreciate stimulating discussions with Prof. G. Alaga, Prof. D. Cline, Prof. A. Faessler, Prof. C. Günther, Dr. H.J. Kluge and Dr. R. Lieder. The help of R. Matthes and G. Braun in the target preparation and of M. Miller during the measurement is gratefully acknowledged. We finally thank Dr. A.A. Hahn and Dr. B. Sedlmayr for communicating their results prior to publication.

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Bockisch, A., Bharuth-Ram, K., Kleinfeld, A.M. et al. Reorientation effect measurements of even mercury isotopes. Z Physik A 291, 245–254 (1979). https://doi.org/10.1007/BF01409190

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  • DOI: https://doi.org/10.1007/BF01409190

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