Description of 178Hfm2 in the Constrained Relativistic Mean Field Theory
ZHANG Wei1,2, PENG Jing3, ZHANG Shuang-Quan1
1School of Physics, and State Key Laboratory of Nuclear Physics and Technology, Peking University, Beijing 1008712School of Electrical Engineering and Automation, He'nan Polytechnic University, Jiaozuo 4540033Department of Physics, Beijing Normal University, Beijing 100875
Description of 178Hfm2 in the Constrained Relativistic Mean Field Theory
ZHANG Wei1,2, PENG Jing3, ZHANG Shuang-Quan1
1School of Physics, and State Key Laboratory of Nuclear Physics and Technology, Peking University, Beijing 1008712School of Electrical Engineering and Automation, He'nan Polytechnic University, Jiaozuo 4540033Department of Physics, Beijing Normal University, Beijing 100875
摘要Properties of the ground state of 178Hf and the isomeric state 178Hfm2 are studied within the adiabatic and diabatic constrained relativistic mean field (RMF) approaches. The RMF calculations reproduce well the binding energy and the deformation for the ground state of 178Hf. Using the ground state single-particle eigenvalues obtained in the present calculation, the lowest excitation configuration with Kπ=16+ is found to be ν(7/2-[514])-1(9/2+[624])1 π(7/2+[404])-1(9/2[514])1. Its excitation energy calculated by the RMF theory with time-odd fields taken into account is equal to 2.801MeV, i.e., close to the 178Hfm2 experimental excitation energy 2.446MeV. The self-consistent procedure accounting for the time-odd component of the meson fields is the most important aspect of the present calculation.
Abstract：Properties of the ground state of 178Hf and the isomeric state 178Hfm2 are studied within the adiabatic and diabatic constrained relativistic mean field (RMF) approaches. The RMF calculations reproduce well the binding energy and the deformation for the ground state of 178Hf. Using the ground state single-particle eigenvalues obtained in the present calculation, the lowest excitation configuration with Kπ=16+ is found to be ν(7/2-[514])-1(9/2+[624])1 π(7/2+[404])-1(9/2[514])1. Its excitation energy calculated by the RMF theory with time-odd fields taken into account is equal to 2.801MeV, i.e., close to the 178Hfm2 experimental excitation energy 2.446MeV. The self-consistent procedure accounting for the time-odd component of the meson fields is the most important aspect of the present calculation.
ZHANG Wei;PENG Jing;ZHANG Shuang-Quan. Description of 178Hfm2 in the Constrained Relativistic Mean Field Theory[J]. 中国物理快报, 2009, 26(5): 52101-052101.
ZHANG Wei, PENG Jing, ZHANG Shuang-Quan. Description of 178Hfm2 in the Constrained Relativistic Mean Field Theory. Chin. Phys. Lett., 2009, 26(5): 52101-052101.
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