Description of carbon isotopes within relativistic Hartree-Fock-Bogoliubov theory

作者：Lu, Xiao Li^*; Sun, Bao Yuan; Long, Wen Hui

来源：Physical Review C, 2013, 87(3): 034311.

DOI：10.1103/PhysRevC.87.034311

• INTERACTION CROSS-SECTIONS
• NEUTRON-DRIP-LINE
• NUCLEAR-STRUCTURE
• MATTER RADII
• HALO
• SYMMETRY
• RANGE
• BEAMS

Within the relativistic Hartree-Fock-Bogoliubov (RHFB) theory, the structure properties of carbon isotopes are systematically studied. To provide better overall description, the finite-range Gogny force D1S with an adjusted strength factor is adopted as the effective paring interaction in the particle-particle channel. The self-consistent RHFB calculations with density-dependent meson-nucleon couplings indicate the single-neutron halo structures in both C-17 and C-19, whereas the two-neutron halo in C-22 is not well supported. It is also found that close to the neutron drip line there exists distinct odd-even staggering on neutron radii, which is tightly related with the blocking effects, and correspondingly the blocking effect plays a significant role in the single-neutron halo formation. DOI: 10.1103/PhysRevC.87.034311

• 出版日期2013-3-7
• 单位兰州大学