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Chinese Physics C > 2022, Vol. 46 > Issue(5): 054001 DOI: 10.1088/1674-1137/ac488b

Investigation of negative-parity states in16C via deuteron inelastic scattering

  • 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

  • 3.

    Sino-French Institute of Nuclear Engineering and Technology, Sun Yat-Sen University, Zhuhai 519082, China

  • 4.

    Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China

  • 5.

    Fundamental Science on Nuclear Safety and Simulation Technology Laboratory, Harbin Engineering University, Harbin 150001, China

  • 6.

    Research Center for Nuclear Physics, Osaka university, Osaka 567-0047, Japan

  • 7.

    Institute of Physics, Vietnam Academy of Science and Technology, Hanoi 10000, Vietnam

  • 8.

    Institute of Materials, China Academy of Engineering Physics, Mianyang 621907, China

  • Two low-lying unbound states in 16C are investigated by deuteron inelastic scattering in inverse kinematics. Besides the 2 $ ^- $ state at 5.45 MeV previously measured in a 1 nknockout reaction, a new resonant state at 6.89 MeV is observed for the first time. The inelastic scattering angular distributions of these two states are well reproduced by the distorted-wave Born approximation (DWBA) calculation with an l= 1 excitation. In addition, the spin-parities of the unbound states are discussed and tentatively assigned based on shell model calculations using the modified YSOX interaction.
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