Tensor force manifestations in ab initio study of the 2H(d, γ)4He, 2H(d, p)3H and 2H(d, n)3He reactions

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

Arai, K.^1 ; Aoyama, S.^2 ; Suzuki, Y.^3 ; Descouvemont, P.^4 ; Baye, D.^4,5

Division of General Education, Nagaoka National College of Technology, 888 Nishikatakai, Nagaoka, Niigata, 940-8532, Japan^1

Center for Academic Information Service, Niigata University, Niigata 950-2181, Japan^2

Physics Department, Niigata University, Niigata 950-2181, Japan^3

Physique Nucléaire Théorique et Physique Mathématique, Université Libre de Bruxelles, C.P.229, B 1050 Brussels, Belgium^4

Physique Quantique, Université Libre de Bruxelles, CP165/82, B-1050 Brussels, Belgium^5

关键词: Ab initio study;    Astrophysical S factors;    Capture reaction;    Cluster models;    Nucleon-nucleon forces;    Relative motion;    Tensor force;    Transfer reaction;   

Others  :  https://iopscience.iop.org/article/10.1088/1742-6596/436/1/012024/pdf
DOI  :  10.1088/1742-6596/436/1/012024

来源: IOP

【 摘 要 】

The2H(d, γ)4He capture reaction and the2H(d, p)3H and2H(d, n)3He transfer reactions at very low energies are studied in an extended microscopic cluster model, in which the3H,3He, and d clusters are given by the precise few-body wave functions with a realistic nucleon-nucleon force and the cluster relative motions are solved with the same realistic nucleon-nucleon force. Our results show that the tensor force in realistic interactions plays an essential and indispensable role to reproduce the very low energy astrophysical S factor of these reactions.