Radioactive Ion Beam Physics Group----Institute of Modern Physics

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Radioactive Ion Beam Physics Group

Brief Introduction

Research Fields

Achievements

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Brief Introduction

The Radioactive Ion Beam Physics Group is an established research group specializing in the study of atomic nuclei, in particular nuclei with excessive proton(s) or neutron(s). Our research interest covers nuclear structure, nuclear reaction and nuclear astrophysics.

Many important results in the energy range of 50 keV - 1 GeV have been achieved at RIBLL1, RIBLL2, ETF, 320-kV platform, LEAF and other facilities around the world. The group undertakes the development of state-of-the-art target systems, and radiation and nuclear detection systems necessary for nuclear-physics experiments, dark-matter research and environmental-radiation measurement on Mars. The group is also responsible for the construction of the new generation in-flight fragment separator of IMP-CAS -- High energy FRagment Separator (HFRS) -- at High Intensity heavy-ion Accelerator Facility (HIAF).

There are 21 staff members, including 13 senior scientists, and 9 students in the group. The director of the group is Prof. ONG Hooi Jin.

Research Fields

1. Study of structure and reaction of exotic nuclei by using low-, intermediate- and high-energy radioactive ion beams;

2. Study of the astrophysical reactions and nucleosynthesis;

3. Development of detector systems for charged particles，gamma rays, dark matter and environmental radiation on Mars;

4. Development of low-temperature target and active-target systems;

5. Construction of a new generation in-flight fragment separator—High energy FRagment Separator (HFRS) at HIAF.

Achievements

Selected publications in the past 5 years:

1. S.L.Jin, Nuclear Reaction Sensitivity in Magnetohydrodynamically Driven Supernovae, Astrophysical Journal 927, 116 (2022)

2. B.F.Lv, C.M.Petrache et al., Evidence against the wobbling nature of low-spin bands in ¹³⁵Pr, Physics Letters B 824, 136840 (2022)

3. F.F.Duan, Y.Y.Yang et al., Elastic scattering and breakup reactions of neutron-rich nucleus ¹¹Be on ²⁰⁸Pb at 210 MeV, Physical Review C 105, 034602 (2022)

4. B.F.Lv, C.M.Petrache et al., Experimental evidence for transverse wobbling bands in ¹³⁶Nd, Physical Review C 105, 034302 (2022)

5. S.Y.Jin, Y.Z.Sun, S. T.Wang et al., Fragmentation of stable and neutron-rich ^12-16C into boron fragments at approximately 240 MeV/nucleon, Chinese Physics C 46, 014003 (2022)

6. Z.C.Zhang, X.Y.Wang et al., Studying the heavy-ion fusion reactions at stellar energies using time projection chamber, Nuclear Instruments and Methods in Physics Research Section A 1016, 165740 (2021).

7. Y.Z.Sun, S.T.Wang, Z.Y.Su et al., An improved tracking method for large-acceptance spectrometers in intermediate-energy RIB experiments, Nuclear Instruments and Methods in Physics Research Section A 985, 164682 (2021)

8. B.F.Lv, C.M.Petrache et al., Tilted precession bands in ¹³⁵Nd, Physical Review C 103, 044308 (2021)

9. K.Wang, Y.Y.Yang et al., Elastic scattering and breakup reactions of the proton drip-line nucleus ⁸B on ²⁰⁸Pb at 238 MeV, Physical Review C 103, 024606 (2021)

10. S.Y.Jin, S.T.Wang, Z.Y.Su et al., Spectroscopy of ⁹⁸Cd by two-nucleon removal from ¹⁰⁰In, Physical Review C 104, 024302 (2021)

11. Y.Z.Sun, S.T.Wang et al., Single-neutron removal from ^14,15,16C near 240 MeV/nucleon, Physical Review C 104, 014310 (2021)

12. H.J.Ong, Understanding Effect of Tensor Interactions on Structure of Light Atomic Nuclei, Few-Body System 62, 86 (2021)

13. H.J.Ong, HIAF project of Chinese Academy of Sciences, Journal of the Particle Accelerator Society of Japan 17, 286 (2020)

14. S.L.Jin, L.Roberts, S.Austin, H.Schatz, Enhanced triple-α reaction reduces proton-rich nucleosynthesis in supernovae, Nature 588, 57 (2020)

15. F.F.Duan, Y.Y.Yang et al., Scattering of the halo nucleus ¹¹Be from a lead target at 3.5 times the Coulomb barrier energy, Physics Letters B 811, 135942 (2020)

16. C.M.Petrache, B.F.Lv et al., Multiple chiral bands in ¹³⁷Nd, European Physical Journal A 56, 208 (2020)

17. D.T.Tran, S.Terashima, H.J.Ong et al., Novel multi-layer plastic-scintillator-based solid active proton target for inverse-kinematics experiments, Nuclear Instruments and Methods in Physics Research Section A 959, 163514 (2020)

18. L.N.Sheng, X.H.Zhang, J.Q.Zhang et al., Ion-optical design of High energy FRagment Separator (HFRS) at HIAF, Nuclear Instruments and Methods in Physics Research Section B, 469, 1 (2020)

19. F.F.Duan, Y.Y.Yang, D.Y.Pang et al., Experimental study of the elastic scattering of ¹⁰Be on ²⁰⁸Pb at the energy of around three times the Coulomb barrier, Chinese Physics C 44, 024001 (2020)

20. Y.X.Zhao, Y.Z.Sun, S.T.Wang et al., One-proton knockout from ¹⁶C at around 240 MeV/nucleon, Physical Review C 100，044609 (2019)

21. Y.Z.Sun, S.T.Wang, Z.Y.Sun et al., Two-neutron removal from ^15,16C at around 240 MeV/nucleon, Physical Review C 99, 024605 (2019)

22. Y.Z.Sun, Z.Y.Sun, S.T.Wang et al., The charged fragment detector system of the External Target Facility, Nuclear Instruments and Methods in Physics Research Section A 927, 390 (2019)

23. S.T.Wang, Y.P.Xu, D.Y.Pang, Energy dependence of the reduced single-particle strength for ¹⁶C, Physica Scripta 94，015302 (2019)

24. 王世陶，胡强，孙亚洲等, CSR能区的高重子密度核物质研究进展, 中国科学:物理力学天文学 49，10200(2019)

25. Y.Y.Yang, X.Liu, D.Y.Pang et al., Elastic scattering of the proton drip line nuclei ⁷Be, ⁸B, and ⁹C on a lead target at energies around three times the Coulomb barriers, Physical Review C 98, 044608 (2018)

26. X.Liu, H.Zheng, W.Lin et al., Reexamination of a novel determination of density, temperature, and symmetry energy based on a modified Fisher model, Physical Review C, 97, 014613 (2018)

27. F.F.Duan, Y.Y.Yang, X.Liu et al., A silicon detector array for radioactive beam experiments at HIRFL-RIBLL, Nuclear Science and Techniques 29, 165 (2018)

28. D.Yan, Z.Y.Sun, K.Yue et al., Design and construction of a time-of-flight wall detector at External Target Facility of HIRFL-CSR，Nuclear Instruments and Methods in Physics Research Section A 893, 68 (2018)

29. Y.Z.Sun, Z.Y.Sun, S.T.Wang et al., The drift chamber array at the ETF in HIRFL-CSR, Nuclear Instruments and Methods in Physics Research Section A 894，72 (2018)

30. Y.H.Yu, Z.Y.Sun, H.Su et al., The plastic scintillator detector for DAMPE，Astroparticle Physics 94, 1 (2017)

31. J.Chang, G.Ambrosi, Q.An et al., The DArk Matter Particle Explorer mission, Astroparticle Physics 95, 6 (2017)

32. DAMPE collaboration, Direct detection of a break in the teraelectronvolt cosmic-ray spectrum of electrons and positrons, Nature 552, 63 (2017)

33. B.H.Sun, J.W.Zhao, X.H.Zhang et al., Towards the full realization of the RIBLL2 beam line at the HIRFL-CSR complex, Science Bulletin 63, 78 (2017)