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首页> 外文期刊>Physical review, C >Structure of odd-odd Cs isotopes within the interacting boson-fermion-fermion model based on the Gogny-D1M energy density functional
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Structure of odd-odd Cs isotopes within the interacting boson-fermion-fermion model based on the Gogny-D1M energy density functional

机译：基于GOGNY-D1M能量密度函数的奇数奇数CS同位素结构的奇数CS同位素

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摘要

The spectroscopic properties of the odd-odd isotopes Cs124-132 have been studied within the interacting boson- fermion-fermion model based on the Gogny-D1M energy density functional framework. Major ingredients to build the interacting boson-fermion-fermion Hamiltonian, such as the (beta, gamma)-deformation energy surfaces for the even-even core nuclei Xe124-132 as well as single-particle energies and occupation probabilities of the odd nucleons, have been computed microscopically with the constrained Hartree-Fock-Bogoliubov method. A few coupling constants of the boson-fermion and residual neutron-proton interactions are fitted to reproduce with a reasonable accuracy the experimental excitation energy of the low-lying levels of the odd-mass and odd-odd nuclei. The method is applied to describe the low-energy low-spin spectra of the odd-odd Cs nuclei and the band structures of higher-spin higher-energy states, mainly based on the (nu h(11/2))(-1) circle times 7 pi h(11/2) configuration. Many of those odd-odd Cs nuclei have been identified as candidates for exhibiting chiral doublet bands.
机译：奇数同位素CS124-132的光谱性质已经在基于Gogny-D1M能量密度函数框架的相互作用的果米偏心米子模型中研究。为偶核核XE124-132和奇核核心的单颗粒能量和占用概率和唯一核心的单颗粒能量和占用概率等（β，伽马） - 偶像能量表面，如（beta，γ） - 形状的能量表面，用受约束的Hartree-Fock-Bogoliubov方法进行了显微镜。迄今为止的较少的偏离中子晶片和残余中子晶体相互作用的偶联常数被拟合以合理的精度繁殖奇数质量和奇核核的低位水平的实验激发能量。该方法用于描述奇数CS核的低能量低自旋光谱和高旋转高能量状态的带结构，主要基于（NU H（11/2））（ - 1 ）圆形时间7 pi h（11/2）配置。许多奇数CS核被鉴定为用于表现出手性双杆带的候选者。

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