Global investigation of odd-even mass differences and radii with isospin-dependent pairing interactions

Bertulani, C. A.; Liu, Hongliang; Sagawa, H.

doi:10.1103/PhysRevC.85.014321

Title: Global investigation of odd-even mass differences and radii with isospin-dependent pairing interactions

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Authors:: Bertulani, C. A.; Liu, Hongliang; Sagawa, H.

Publication Date:: Tue Jan 24 00:00:00 EST 2012

Sponsoring Org.:: USDOE

OSTI Identifier:: 1099028

Resource Type:: Publisher's Accepted Manuscript

Journal Name:: Physical Review C

Additional Journal Information:: Journal Volume: 85; Journal Issue: 1; Journal ID: ISSN 0556-2813

Publisher:: American Physical Society

Country of Publication:: United States

Language:: English

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                    Bertulani, C. A., Liu, Hongliang, and Sagawa, H. Global investigation of odd-even mass differences and radii with isospin-dependent pairing interactions.  United States: N. p., 2012. 
Web.  doi:10.1103/PhysRevC.85.014321.

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                    Bertulani, C. A., Liu, Hongliang, & Sagawa, H. Global investigation of odd-even mass differences and radii with isospin-dependent pairing interactions.  United States.  https://doi.org/10.1103/PhysRevC.85.014321

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                    Bertulani, C. A., Liu, Hongliang, and Sagawa, H. Tue .  
"Global investigation of odd-even mass differences and radii with isospin-dependent pairing interactions".  United States.  https://doi.org/10.1103/PhysRevC.85.014321.

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@article{osti_1099028,

  title        = {Global investigation of odd-even mass differences and radii with isospin-dependent pairing interactions},

  author       = {Bertulani, C. A. and Liu, Hongliang and Sagawa, H.},

  abstractNote = {},

  doi          = {10.1103/PhysRevC.85.014321},

  journal      = {Physical Review C},

  number       = 1,

  volume       = 85,

  place        = {United States},

  year         = {Tue Jan 24 00:00:00 EST 2012},

  month        = {Tue Jan 24 00:00:00 EST 2012}

}

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Similar Records in DOE PAGES and OSTI.GOV collections:

Global investigation of odd-even mass differences and radii with isospin-dependent pairing interactions

Journal Article Bertulani, C. A. ; Liu, Hongliang ; Sagawa, H. - Physical Review. C, Nuclear Physics

Neutron and proton odd-even mass differences are systematically studied with Hartree-Fock (HF)+BCS calculations with Skyrme interactions and an isospin-dependent contact pairing interaction. The strength of pairing interactions is determined to reproduce empirical odd-even mass differences in a wide region of the mass table. By using the optimal parameter sets for proton and neutrons, we perform global (HF)+BCS calculations with Skyrme interactions and an isospin-dependent contact pairing interaction. The strength of pairing interactions is determined to reproduce empirical odd-even mass differences in a wide region of the mass table. By using the optimal parameter sets for proton and neutrons, we performmore »« less
https://doi.org/10.1103/physrevc.85.014321
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The neutron and proton odd-even mass differences are studied with Hartree-Fock + BCS (HF+BCS) calculations with Skyrme interactions and an isospin dependent contact pairing interaction, which is recently derived from a microscopic nucleon-nucleon interaction. To this end, we perform HF+BCS calculations for even and odd semi-magic tin and lead isotopes together with even and odd Z isotones with N=50 and 82. The filling approximation is applied to the last unoccupied particle in odd nuclei. Comparisons with the experimental data show a clear manifestation of the isospin dependent pairing correlations in both proton and neutron pairing gaps.
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Non-empirical Nuclear Energy Functionals, Pairing Gaps and Odd-Even Mass Differences

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First, we briefly outline some aspects of the starting project to design non-empirical energy functionals based on low-momentum vacuum interactions and many-body perturbation theory. Second, we present results obtained within an approximation of such a scheme where the pairing part of the energy density functional is constructed at first order in the nuclear plus Coulomb two-body interaction. We discuss in detail the physics of the odd-even mass staggering and the necessity to compute actual odd-even mass differences to analyze it meaningfully.
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