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Shape changes and large-amplitude collective dynamics in neutron-rich Cr isotopes

Kenichi Yoshida and Nobuo Hinohara
Phys. Rev. C 83, 061302(R) – Published 21 June 2011

Abstract

Shape-phase transition in neutron-rich Cr isotopes around N=40 is investigated by employing the collective Hamiltonian approach. The inertial functions for large-amplitude vibration and rotation are evaluated by the local normal modes along the axial quadrupole collective coordinate using the Skyrme and pairing energy-density functionals. The time-odd components of the mean fields are fully included in the derived masses. The low-lying spectra obtained by requantizing the collective Hamiltonian show an excellent agreement with the recent experimental data. Gradual change from spherical to axially deformed shapes in between N=34 and 38 is well described.

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  • Received 27 March 2011

DOI:https://doi.org/10.1103/PhysRevC.83.061302

©2011 American Physical Society

Authors & Affiliations

Kenichi Yoshida* and Nobuo Hinohara

  • RIKEN Nishina Center for Accelerator-Based Science, Wako, Saitama 351-0198, Japan

  • *Present address: Department of Physics, Graduate School of Science and Technology, Niigata University, Niigata 950-2181, Japan.

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Issue

Vol. 83, Iss. 6 — June 2011

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