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Superdeformed rotational bands in the mercury region. A cranked Skyrme-Hartree-Fock-Bogoliubov study

  • Nuclear Structure and Reactions
  • Published:
Zeitschrift für Physik A Hadrons and Nuclei

Abstract

A study of rotational properties of the ground superdeformed bands in190Hg,192Hg,194Hg, and194Pb is presented. We use the cranked Hartree-Fock-Bogoliubov method with the SkM* parametrization of the Skyrme force in the particle-hole channel and a seniority interaction in the pairing channel. An approximate particle number projection is performed by means of the Lipkin-Nogami prescription. We analyze the proton and neutron quasiparticle routhians in connection with the present information on about thirty presently observed superdeformed bands in nuclei close neighbours of192Hg.

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Authors and Affiliations

  1. Centre de Spectrométrie Nucléaire et de Spectrométrie de Masse, Bt. 104, F-91405, Orsay Campus, France

    B. Gall

  2. Service de Physique Théorique, DSM, CE Saclay, F-91191, Gif-sur-Yvette Cedex, France

    P. Bonche

  3. Institute of Theoretical Physics, Warsaw University, Hoza 69, PL-00681, Warsaw, Poland

    J. Dobaczewski

  4. Division de Physique Théorique, Institut de Physique Nucléaire, F-91406, Orsay Cedex, France

    H. Flocard

  5. Physique Nucléaire Théorique, Université Libre de Bruxelles, CP229, B-1050, Bruxelles, Belgium

    P. -H. Heenen

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  1. B. Gall
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Unité de recherche des Universités Paris VI et Paris XI, associée au Centre National de la Recherche Scientifique

Directeur de Recherches FNRS

We gratefully acknowledge very helpful discussions with W. Satuła and R. Wyss. One of us (H.F.) would like to acknowledge the hospitality of the National Institute for Nuclear Theory (Seattle) where this work was completed. We thank the European Centre for Theoretical Studies in Nuclear Physics (ECT*) in Trento for its hospitality and for partial support for this project. This research was supported in part by the Polish Committee for Scientific Research under Contract No. 20450 91 01.

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Gall, B., Bonche, P., Dobaczewski, J. et al. Superdeformed rotational bands in the mercury region. A cranked Skyrme-Hartree-Fock-Bogoliubov study. Z. Physik A - Hadrons and Nuclei 348, 183–197 (1994). https://doi.org/10.1007/BF01291916

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