Nuclear Science and Techniques

《核技术》(英文版) ISSN 1001-8042 CN 31-1559/TL     2019 Impact factor 1.556

Nuclear Science and Techniques ›› 2020, Vol. 31 ›› Issue (2): 20 doi: 10.1007/s41365-020-0731-y

• Invited Review Article • Previous Articles     Next Articles

Experimental study of intruder components in light neutron-rich nuclei via single-nucleon transfer reaction

Wei Liu1 • Jian-Ling Lou1 • Yan-Lin Ye1 • Dan-Yang Pang2   

  1. 1 School of Physics and State Key Laboratory of Nuclear Physics and Technology, Peking University, Beijing 100871, China
    2 School of Physics, Beijing Key Laboratory of Advanced Nuclear Materials and Physics, Beihang University, Beijing 100191, China
  • Received:2019-12-15 Revised:2020-01-09 Accepted:2020-01-11
  • Contact: Jian-Ling Lou
  • Supported by:
    This work was supported by the National Key R&D program of China (No. 2018YFA0404403), and National Natural Science Foundation of China (Nos. 11775004, U1867214, and 11535004).
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Wei Liu, Jian-Ling Lou, Yan-Lin Ye, Dan-Yang Pang. Experimental study of intruder components in light neutron-rich nuclei via single-nucleon transfer reaction.Nuclear Science and Techniques, 2020, 31(2): 20     doi: 10.1007/s41365-020-0731-y

Abstract: With the development of radioactive beam facilities, studies concerning the shell evolution of unstable nuclei have recently gained prominence. Intruder components, particularly s-wave intrusion, in the low-lying states of light neutron-rich nuclei near \(N = 8\) are of importance in the study of shell evolution. The use of single-nucleon transfer reactions in inverse kinematics has been a sensitive tool that can be used to quantitatively investigate the single-particle orbital component of selectively populated states. The spin-parity, spectroscopic factor (or single-particle strength), and effective single-particle energy can all be extracted from such reactions. These observables are often useful to explain the nature of shell evolution, and to constrain, check, and test the parameters used in nuclear structure models. In this article, the experimental studies of the intruder components in low-lying states of neutron-rich nuclei of He, Li, Be, B, and C isotopes using various single-nucleon transfer reactions are reviewed. The focus is laid on the precise determination of the intruder s-wave strength in low-lying states.