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Pairing and rotation in neutron-deficient even–even Yb isotopes

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Abstract

The role of pairing in neutron-deficient Yb isotopes has been studied using the Hartree–Fock–Bogoliubov (HFB) approach by employing the energy functional SLy6. A reasonably good description of the observed ground-state properties was obtained. Cranking solutions were obtained for the rotational bands. Neutron pair breaking was found to play a major role above spin \(J=14\). Projected shell model with variable pair gap was employed to study the ground-state rotational band.

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Acknowledgements

Discussions with Sukalyan Chattopadhyay is gratefully acknowledged. A part of the work has been funded by the UGC-DRS-II project of the University of Calcutta. SM gratefully acknowledges the opportunities provided by Lady Brabourne College authorities to carry out this work.

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Authors and Affiliations

  1. Department of Physics, Lady Brabourne College, P-1/2, Suhrawardy Avenue, Park Circus, Kolkata, 700 017, India

    Sameena Murtaza

  2. Department of Physics, University of Calcutta, 92, Acharya Prafulla Chandra Road, Kolkata, 700 009, India

    G Gangopadhyay

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  1. Sameena Murtaza
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  2. G Gangopadhyay
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Correspondence to G Gangopadhyay.

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Murtaza, S., Gangopadhyay, G. Pairing and rotation in neutron-deficient even–even Yb isotopes. Pramana - J Phys 97, 181 (2023). https://doi.org/10.1007/s12043-023-02659-1

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  • DOI: https://doi.org/10.1007/s12043-023-02659-1

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