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Shape coexistence in neutron-rich N = 20 nuclei

ORAL

Abstract

Neutron-rich nuclei exhibit deformed ground states at neutron number N=20 and beyond. Coupled-cluster computations based on interactions from chiral effective field theory show that deformed and nearly spherical shapes coexist in neon and magnesium nuclei in this region of the nuclear chart.

* This work was supported by the U.S. Department of Energy, Office of Science, Office of Nuclear Physics, under Award No.~DE-FG02-96ER40963 and by SciDAC-5 (NUCLEI collaboration). Computer time was provided by the Innovative and Novel Computational Impact on Theory and Experiment (INCITE) programme. This research used resources of the Oak Ridge Leadership Computing Facility located at Oak Ridge National Laboratory, which is supported by the Office of Science of the Department of Energy under contract No. DE-AC05-00OR22725.

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Presenters

  • Thomas Papenbrock

    University of Tennessee

Authors

  • Thomas Papenbrock

    University of Tennessee

  • Zhonghao Sun

    Oak Ridge National Laboratory, Oak Ridge National Lab

  • Andreas Ekström

    Chalmers University of Technology

  • Christian Forssen

    Chalmers University of Technology

  • Gaute Hagen

    Oak Ridge National Laboratory, Oak Ridge National Lab

  • Gustav Jansen

    Oak Ridge National Laboratory