Complex-energy shell model description of alpha decay

10th International Conference on Clustering Aspects of Nuclear Structure and Dynamics

Id Betan, R.^1,2,3

Department of Physics and Chemistry FCEIA(UNR), Physics Institute of Rosario (CONICET), Av. Pellegrini 250, 2000 Rosario, Argentina^1

Department of Physics and Astronomy, University of Tennessee, Knoxville, TN 37996, United States^2

Physics Division, Oak Ridge National Laboratory, PO Box 2008, Oak Ridge, TN 37831, United States^3

关键词: Alpha decay;    Cluster models;    Complex energy;    Large models;    Shell models;   

Others  :  https://iopscience.iop.org/article/10.1088/1742-6596/436/1/012061/pdf
DOI  :  10.1088/1742-6596/436/1/012061

来源: IOP

【 摘 要 】

The alpha decay width has been successfully described in the framework of a combined shell and cluster model. It has been found that the shell model does not provide enough alpha clustering. The cluster model cures this deficiency by including the alpha cluster in the model from the very beginning. In the complex-energy shell model attempt is made to produce the clustering needed by a large model space which involves particles in the continuum. An advantage of such a formulation is that the tail of the formation amplitude may be consistent with the decaying boundary condition. The formulation can be applied to systems, like104Te, decaying to the continuum.