Evidence of enhanced radius of Hoyle rotational state in12C inelastic scattering

11th International Conference on Clustering Aspects of Nuclear Structure and Dynamics

Ito, M.^1

Department of Pure and Applied Physics, Kansai University, 3-3-35 Yamate-cho, suita, Japan^1

关键词: Differential cross section;    Life-times;    Neutron halos;    Nuclear radii;    Rotational state;    Spatial extension;    Systematic analysis;   

Others  :  https://iopscience.iop.org/article/10.1088/1742-6596/863/1/012028/pdf
DOI  :  10.1088/1742-6596/863/1/012028

来源: IOP

【 摘 要 】

Nuclear radius of three α rotational state in12C with a life time of 10-21second, which has been expected to have much more extended radius than the ground12C nucleus, is speculated from systematic analysis of the differential cross section of the α +12C inelastic scattering. Present analysis predicts about 0.6 ∼ 1.0 fm enhancement in the matter radius of the three α rotational state in comparison to the normal radius of the ground state. The spatial extension of the three α rotational state is comparable to the extended radius observed in the neutron halo phenomena.