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基于手征微扰理论构建相对论重子-重子相互作用(英文)

任修磊,  李凯文,  耿立升

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文章导航 > 原子核物理评论  > 2017 >  34(3): 392-402
任修磊, 李凯文, 耿立升. 基于手征微扰理论构建相对论重子-重子相互作用(英文)[J]. 原子核物理评论, 2017, 34(3): 392-402. doi: 10.11804/NuclPhysRev.34.03.392
引用本文: 任修磊, 李凯文, 耿立升. 基于手征微扰理论构建相对论重子-重子相互作用(英文)[J]. 原子核物理评论, 2017, 34(3): 392-402. doi: 10.11804/NuclPhysRev.34.03.392
shu
REN Xiulei, LI Kaiwen, GENG Lisheng. Towards a Relativistic Formulation of Baryon-baryon Interactions in Chiral Perturbation Theory[J]. Nuclear Physics Review, 2017, 34(3): 392-402. doi: 10.11804/NuclPhysRev.34.03.392
Citation: REN Xiulei, LI Kaiwen, GENG Lisheng. Towards a Relativistic Formulation of Baryon-baryon Interactions in Chiral Perturbation Theory[J]. Nuclear Physics Review, 2017, 34(3): 392-402. doi: 10.11804/NuclPhysRev.34.03.392
shu

基于手征微扰理论构建相对论重子-重子相互作用(英文)

doi: 10.11804/NuclPhysRev.34.03.392
  • 1.

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

  • 2.

    北京航空航天大学物理科学与核能工程学院&宇宙中的核物理交叉研究中心, 北京 100191;

  • 3.

    先进核能材料与物理北京市重点实验室, 北京 100191

基金项目: 国家自然科学基金资助项目（11375024，11522539，11735003，11335002，11621131001）；中国博士后科学基金项目（2016M60084，2017T100008）.
详细信息
    通讯作者: 耿立升,E-mail:mailto:lisheng.geng@buaa.edu.cn

  • 中图分类号: O572.3

Towards a Relativistic Formulation of Baryon-baryon Interactions in Chiral Perturbation Theory

  • 1.

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

  • 2.

    School of Physics and Nuclear Energy Engineering & International Research Center for Nuclei and Particles in the Cosmos, Beihang University, Beijing 100191, China;

  • 3.

    Beijing Key Laboratory of Advanced Nuclear Materials and Physics, Beihang University, Beijing 100191, China

Funds: National Natural Science Foundation of China (11375024, 11522539, 11335002, 11621131001); China Postdoctoral Science Foundation (2016M600845, 2017T100008)
More Information
    Corresponding author: 10.11804/NuclPhysRev.34.03.392

  • 摘要: 介绍了两个近期基于协变手征微扰理论构建领头阶核子-核子和超子-核子相互作用的工作。理论中未知的低能常数通过拟合核子-核子和超子-核子散射实验数据确定。分析发现，在对散射数据的描述上，领头阶相对论手征力可以媲美次领头阶非相对论手征核力。研究表明，构建相对论手征重子-重子相互作用技术上是可行的。得到的相互作用不仅可以为相对论核结构及反应研究提供重要的理论输入，而且可以进一步加深对低能强相互作用的认识。


    In this paper, we report on two recent studies of relativistic nucleon-nucleon and hyperonnucleon interactions in covariant chiral perturbation theory, where they are constructed up to leading order. The relevant unknown low energy constants are fixed by fitting to the nucleon-nucleon and hyperon-nucleon scattering data. It is shown that these interactions can describe the scattering data with a quality similar to their next-to-leading order non-relativistic counterparts. These studies show that it is technically feasible to construct relativist baryon-baryon interactions, and in addition, after further refinements, these interactions may provide important inputs to ab initio relativistic nuclear structure and reaction studies and help improve our understanding of low energy strong interactions.
    Abstract: In this paper, we report on two recent studies of relativistic nucleon-nucleon and hyperonnucleon interactions in covariant chiral perturbation theory, where they are constructed up to leading order. The relevant unknown low energy constants are fixed by fitting to the nucleon-nucleon and hyperon-nucleon scattering data. It is shown that these interactions can describe the scattering data with a quality similar to their next-to-leading order non-relativistic counterparts. These studies show that it is technically feasible to construct relativist baryon-baryon interactions, and in addition, after further refinements, these interactions may provide important inputs to ab initio relativistic nuclear structure and reaction studies and help improve our understanding of low energy strong interactions.
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出版历程
  • 收稿日期:  2017-03-19
  • 修回日期:  2017-05-20
  • 刊出日期:  2017-07-18

基于手征微扰理论构建相对论重子-重子相互作用(英文)

doi: 10.11804/NuclPhysRev.34.03.392
  • 1. 北京大学物理学院, 核物理与核技术国家重点实验室, 北京 100871;
  • 2. 北京航空航天大学物理科学与核能工程学院&宇宙中的核物理交叉研究中心, 北京 100191;
  • 3. 先进核能材料与物理北京市重点实验室, 北京 100191
    • 基金项目:  国家自然科学基金资助项目（11375024，11522539，11735003，11335002，11621131001）；中国博士后科学基金项目（2016M60084，2017T100008）.
    通讯作者: 耿立升,E-mail:mailto:lisheng.geng@buaa.edu.cn
  • 收稿日期: 2017-03-19
  • 修回日期: 2017-05-20
  • 刊出日期: 2017-07-18

  • 中图分类号: O572.3

摘要: 介绍了两个近期基于协变手征微扰理论构建领头阶核子-核子和超子-核子相互作用的工作。理论中未知的低能常数通过拟合核子-核子和超子-核子散射实验数据确定。分析发现，在对散射数据的描述上，领头阶相对论手征力可以媲美次领头阶非相对论手征核力。研究表明，构建相对论手征重子-重子相互作用技术上是可行的。得到的相互作用不仅可以为相对论核结构及反应研究提供重要的理论输入，而且可以进一步加深对低能强相互作用的认识。


In this paper, we report on two recent studies of relativistic nucleon-nucleon and hyperonnucleon interactions in covariant chiral perturbation theory, where they are constructed up to leading order. The relevant unknown low energy constants are fixed by fitting to the nucleon-nucleon and hyperon-nucleon scattering data. It is shown that these interactions can describe the scattering data with a quality similar to their next-to-leading order non-relativistic counterparts. These studies show that it is technically feasible to construct relativist baryon-baryon interactions, and in addition, after further refinements, these interactions may provide important inputs to ab initio relativistic nuclear structure and reaction studies and help improve our understanding of low energy strong interactions.

English Abstract

任修磊, 李凯文, 耿立升. 基于手征微扰理论构建相对论重子-重子相互作用(英文)[J]. 原子核物理评论, 2017, 34(3): 392-402. doi: 10.11804/NuclPhysRev.34.03.392
引用本文: 任修磊, 李凯文, 耿立升. 基于手征微扰理论构建相对论重子-重子相互作用(英文)[J]. 原子核物理评论, 2017, 34(3): 392-402. doi: 10.11804/NuclPhysRev.34.03.392
shu
REN Xiulei, LI Kaiwen, GENG Lisheng. Towards a Relativistic Formulation of Baryon-baryon Interactions in Chiral Perturbation Theory[J]. Nuclear Physics Review, 2017, 34(3): 392-402. doi: 10.11804/NuclPhysRev.34.03.392
Citation: REN Xiulei, LI Kaiwen, GENG Lisheng. Towards a Relativistic Formulation of Baryon-baryon Interactions in Chiral Perturbation Theory[J]. Nuclear Physics Review, 2017, 34(3): 392-402. doi: 10.11804/NuclPhysRev.34.03.392
shu

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