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Enhanced monopole transition strength from the cluster decay of 13C

被引：0
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作者：
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
机构：
[1] Peking University,School of Physics and State Key Laboratory of Nuclear Physics and Technology
[2] China Institute of Atomic Energy,School of Physics and Nuclear Energy Engineering
[3] Beihang University,Beijing Key Laboratory of Advanced Nuclear Materials and Physics
[4] Beihang University,undefined
来源：
Science China Physics, Mechanics & Astronomy | 2019年 / 62卷
关键词：
inelastic excitation; monopole transition; cluster decay;
D O I：
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中图分类号：
学科分类号：
摘要：
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.
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