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Enhanced monopole transition strength from the cluster decay of 13C

  • Jun Feng
  • YanLin Ye
  • Biao Yang
  • ChengJian Lin
  • HuiMin Jia
  • DanYang Pang
  • ZhiHuan Li
  • JianLing Lou
  • QiTe Li
  • XiaoFei Yang
  • Jing Li
  • HongLiang Zang
  • Qiang Liu
  • Wei Jiang
  • ChenGuang Li
  • Yang Liu
  • ZhiQiang Chen
  • HongYi Wu
  • ChunGuang Wang
  • Wei Liu
  • Xiang Wang
  • JingJing Li
  • DiWen Luo
  • Ying Jiang
  • ShiWei Bai
  • JinYan Xu
  • NanRu Ma
  • LiJie Sun
  • DongXi Wang
Article
  • 8 Downloads

Abstract

The inelastic excitations and cluster decay of 13C have been measured using the reaction, 9Be(13C,13C* → 9Be + α)9Be. We observe strong excitation to the 14.3-MeV (1/2) resonant state from the cluster-decay channel, leading to an enhanced monopole matrix element of (6.3 ± 0.6) fm2. This large cluster-related monopole strength is a clear indication of the cluster-structure domination of this state and is consistent with the recent prediction of the orthogonality condition model (OCM). It would be interesting to further explore the three-center molecular rotational band that is initiated from the observed band-head.

Keywords

inelastic excitation monopole transition cluster decay 

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Copyright information

© Science China Press and Springer-Verlag GmbH Germany, part of Springer Nature 2018

Authors and Affiliations

  • Jun Feng
    • 1
  • YanLin Ye
    • 1
  • Biao Yang
    • 1
  • ChengJian Lin
    • 2
  • HuiMin Jia
    • 2
  • DanYang Pang
    • 3
    • 4
  • ZhiHuan Li
    • 1
  • JianLing Lou
    • 1
  • QiTe Li
    • 1
  • XiaoFei Yang
    • 1
  • Jing Li
    • 1
  • HongLiang Zang
    • 1
  • Qiang Liu
    • 1
  • Wei Jiang
    • 1
  • ChenGuang Li
    • 1
  • Yang Liu
    • 1
  • ZhiQiang Chen
    • 1
  • HongYi Wu
    • 1
  • ChunGuang Wang
    • 1
  • Wei Liu
    • 1
  • Xiang Wang
    • 1
  • JingJing Li
    • 1
  • DiWen Luo
    • 1
  • Ying Jiang
    • 1
  • ShiWei Bai
    • 1
  • JinYan Xu
    • 1
  • NanRu Ma
    • 2
  • LiJie Sun
    • 2
  • DongXi Wang
    • 2
  1. 1.School of Physics and State Key Laboratory of Nuclear Physics and TechnologyPeking UniversityBeijingChina
  2. 2.China Institute of Atomic EnergyBeijingChina
  3. 3.School of Physics and Nuclear Energy EngineeringBeihang UniversityBeijingChina
  4. 4.Beijing Key Laboratory of Advanced Nuclear Materials and PhysicsBeihang UniversityBeijingChina

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