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基于不稳定核基本性质测量的原子核结构研究

白世伟,  杨晓菲

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文章导航 > 原子核物理评论  > 2018 >  35(4): 382-389
白世伟, 杨晓菲. 基于不稳定核基本性质测量的原子核结构研究[J]. 原子核物理评论, 2018, 35(4): 382-389. doi: 10.11804/NuclPhysRev.35.04.382
引用本文: 白世伟, 杨晓菲. 基于不稳定核基本性质测量的原子核结构研究[J]. 原子核物理评论, 2018, 35(4): 382-389. doi: 10.11804/NuclPhysRev.35.04.382
shu
BAI Shiwei, YANG Xiaofei. Study of Nuclear Structure by the Measurement of the Ground State Properties of Unstable Nuclei[J]. Nuclear Physics Review, 2018, 35(4): 382-389. doi: 10.11804/NuclPhysRev.35.04.382
Citation: BAI Shiwei, YANG Xiaofei. Study of Nuclear Structure by the Measurement of the Ground State Properties of Unstable Nuclei[J]. Nuclear Physics Review, 2018, 35(4): 382-389. doi: 10.11804/NuclPhysRev.35.04.382
shu

基于不稳定核基本性质测量的原子核结构研究

doi: 10.11804/NuclPhysRev.35.04.382

  • 北京大学物理学院和核物理与核技术国家重点实验室, 北京 100871

基金项目: 国家重点研发计划项目（2018YFA0404403）；国家自然科学基金面上项目（11875073）
详细信息
    作者简介:

    白世伟(1994-),男,甘肃天水人,博士研究生,从事粒子物理与原子核物理研究;E-mail:baisw@pku.edu.cn

    通讯作者: 杨晓菲,E-mail:xiaofei.yang@pku.edu.cn

  • 中图分类号: O571.3

Study of Nuclear Structure by the Measurement of the Ground State Properties of Unstable Nuclei

  • School of Physics and State Key Laboratory of Nuclear Physics and Technology, Peking University, Beijing 100871, China

Funds: National Key R&D Program of China (2018YFA0404403); National Natural Science Foundation of China (11875073)

  • 摘要: 精密激光谱学是通过测量核素原子光谱的超精细结构和同位素移位来研究原子核的基本性质，为原子核自旋、磁矩、电四极矩及电荷均方根半径的确定提供了一种模型独立的测量方式。这些原子核基本性质的测量，能够比较精确地描述原子核微观结构的演化。近年来，随着放射性束流装置的发展，产生远离β-稳定线的丰中子/丰质子核素成为可能，也进一步促进了高分辨和高灵敏度的激光谱技术更加广泛的应用。简单介绍了基于放射性核素超精细结构的激光谱学测量原理，并通过几个经典实例来回顾近年来激光谱学在原子核奇特结构研究领域的独特贡献。主要通过分析几个重要核区原子核的基本性质，结合大尺度壳模型、ab initio理论、密度泛函理论等，来探索丰中子核中展现出来的一些新的奇特现象，如晕结构、幻数演化、形状共存等。


    High-precision laser spectroscopy technique is used to determine the ground state properties of exotic nuclei by probing its electronic hyperfine structure and isotope shift. It provides a model-independent measurement of nuclear spin, magnetic moment, electric quadrupole moment and charge radii. These nuclear parameters can be used to investigate the nuclear structure evolution and the nuclear shapes. With the development of accelerators and isotope separators, exotic isotopes far from β stability became accessible experimentally, which enhanced the capability of the laser spectroscopy technique being applied in the field of nuclear physics. A brief introduction to experimental principle is given, followed by a review of several typical examples for the experimental investigations in the different regions of nuclear chart. This aims to demonstrate the contributions of ground state properties measurement by using laser spectroscopy technique to the nuclear structure study of exotic isotopes. This discussion involves several different nuclear theory models in order to interpret the exotic phenomena observed in the neutron-rich isotopes, such as halo structure, shell evolution, shape coexistence and so on.
    Abstract: High-precision laser spectroscopy technique is used to determine the ground state properties of exotic nuclei by probing its electronic hyperfine structure and isotope shift. It provides a model-independent measurement of nuclear spin, magnetic moment, electric quadrupole moment and charge radii. These nuclear parameters can be used to investigate the nuclear structure evolution and the nuclear shapes. With the development of accelerators and isotope separators, exotic isotopes far from β stability became accessible experimentally, which enhanced the capability of the laser spectroscopy technique being applied in the field of nuclear physics. A brief introduction to experimental principle is given, followed by a review of several typical examples for the experimental investigations in the different regions of nuclear chart. This aims to demonstrate the contributions of ground state properties measurement by using laser spectroscopy technique to the nuclear structure study of exotic isotopes. This discussion involves several different nuclear theory models in order to interpret the exotic phenomena observed in the neutron-rich isotopes, such as halo structure, shell evolution, shape coexistence and so on.
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出版历程
  • 收稿日期:  2018-09-16
  • 修回日期:  2018-11-10
  • 刊出日期:  2020-05-03

基于不稳定核基本性质测量的原子核结构研究

doi: 10.11804/NuclPhysRev.35.04.382
  • 北京大学物理学院和核物理与核技术国家重点实验室, 北京 100871
    • 基金项目:  国家重点研发计划项目（2018YFA0404403）；国家自然科学基金面上项目（11875073）
    作者简介:

    白世伟(1994-),男,甘肃天水人,博士研究生,从事粒子物理与原子核物理研究;E-mail:baisw@pku.edu.cn

    通讯作者: 杨晓菲,E-mail:xiaofei.yang@pku.edu.cn
  • 收稿日期: 2018-09-16
  • 修回日期: 2018-11-10
  • 刊出日期: 2020-05-03

  • 中图分类号: O571.3

摘要: 精密激光谱学是通过测量核素原子光谱的超精细结构和同位素移位来研究原子核的基本性质，为原子核自旋、磁矩、电四极矩及电荷均方根半径的确定提供了一种模型独立的测量方式。这些原子核基本性质的测量，能够比较精确地描述原子核微观结构的演化。近年来，随着放射性束流装置的发展，产生远离β-稳定线的丰中子/丰质子核素成为可能，也进一步促进了高分辨和高灵敏度的激光谱技术更加广泛的应用。简单介绍了基于放射性核素超精细结构的激光谱学测量原理，并通过几个经典实例来回顾近年来激光谱学在原子核奇特结构研究领域的独特贡献。主要通过分析几个重要核区原子核的基本性质，结合大尺度壳模型、ab initio理论、密度泛函理论等，来探索丰中子核中展现出来的一些新的奇特现象，如晕结构、幻数演化、形状共存等。


High-precision laser spectroscopy technique is used to determine the ground state properties of exotic nuclei by probing its electronic hyperfine structure and isotope shift. It provides a model-independent measurement of nuclear spin, magnetic moment, electric quadrupole moment and charge radii. These nuclear parameters can be used to investigate the nuclear structure evolution and the nuclear shapes. With the development of accelerators and isotope separators, exotic isotopes far from β stability became accessible experimentally, which enhanced the capability of the laser spectroscopy technique being applied in the field of nuclear physics. A brief introduction to experimental principle is given, followed by a review of several typical examples for the experimental investigations in the different regions of nuclear chart. This aims to demonstrate the contributions of ground state properties measurement by using laser spectroscopy technique to the nuclear structure study of exotic isotopes. This discussion involves several different nuclear theory models in order to interpret the exotic phenomena observed in the neutron-rich isotopes, such as halo structure, shell evolution, shape coexistence and so on.

English Abstract

白世伟, 杨晓菲. 基于不稳定核基本性质测量的原子核结构研究[J]. 原子核物理评论, 2018, 35(4): 382-389. doi: 10.11804/NuclPhysRev.35.04.382
引用本文: 白世伟, 杨晓菲. 基于不稳定核基本性质测量的原子核结构研究[J]. 原子核物理评论, 2018, 35(4): 382-389. doi: 10.11804/NuclPhysRev.35.04.382
shu
BAI Shiwei, YANG Xiaofei. Study of Nuclear Structure by the Measurement of the Ground State Properties of Unstable Nuclei[J]. Nuclear Physics Review, 2018, 35(4): 382-389. doi: 10.11804/NuclPhysRev.35.04.382
Citation: BAI Shiwei, YANG Xiaofei. Study of Nuclear Structure by the Measurement of the Ground State Properties of Unstable Nuclei[J]. Nuclear Physics Review, 2018, 35(4): 382-389. doi: 10.11804/NuclPhysRev.35.04.382
shu

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