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2020-06-15

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Please use this identifier to cite or link to this item: https://hdl.handle.net/2445/215904

Effects of finite nucleon size, vacuum polarization, and electromagnetic spin-orbit interaction on nuclear binding energies and radii in spherical nuclei

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https://doi.org/10.1103/PhysRevC.101.064311

Abstract

The electromagnetic effects of the finite size of the nucleon are implemented self-consistently on top of the Skyrme Hartree-Fock calculation, where the electric form factors of both protons and neutrons are considered. Furthermore, the vacuum polarization and the electromagnetic spin-orbit interaction are taken into account. The self-consistent finite-size effects give a different Coulomb potential from the conventional one and affect the neutrons as well. The contribution of the finite-size effects to the total energy reaches 7MeV in 208 Pb . The vacuum polarization and the electromagnetic spin-orbit interaction are also non-negligible, especially in the heavy nuclei. These effects provide a comparable contribution of the total energy to that of the isospin symmetry-breaking terms of the nuclear interaction. The mirror nuclei mass difference in 48Ca – 48 Ni is also studied, and its value is improved by approximately one order of magnitude.

Subject

Estructura nuclear, Física nuclear, Teoria del funcional de densitat

Subject (English)

Nuclear structure, Nuclear physics, Density functionals

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Articles publicats en revistes (Física Quàntica i Astrofísica)

Citation

NAITO, Tomoya, et al. Effects of finite nucleon size, vacuum polarization, and electromagnetic spin-orbit interaction on nuclear binding energies and radii in spherical nuclei. Physical Review C. 2020. Vol. 101, num. 1-12. ISSN 2469-9985. [consulted: 8 of August of 2026]. Available at: https://hdl.handle.net/2445/215904

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