Cluster formations in deformed states for $^{28}$Si and $^{32}$S
Abstract
We study cluster formation in strongly deformed states for Si and S using a macroscopic-microscopic model. The study is based on calculated total-energy surfaces, which are the sums of deformation-dependent macroscopic-microscopic potential-energy surfaces and rotational-energy contributions. We analyze the angular-momentum-dependent total-energy surfaces and identify the normal- and super-deformed states in Si and S, respectively. We show that at sufficiently high angular momenta strongly deformed minima appear. The corresponding microscopic density distributions show cluster structure that closely resemble the O+C and O+O configurations. At still higher deformations, beyond the minima, valleys develop in the calculated surfaces. These valleys lead to mass divisions that correspond to the target-projectile configurations for which molecular resonance states have been observed. We discuss the relation between the one-body deformed minima and the two-body molecular-resonance states.
Keywords
Cite
@article{arxiv.1012.4311,
title = {Cluster formations in deformed states for $^{28}$Si and $^{32}$S},
author = {Takatoshi Ichikawa and Yoshiko Kanada-En'yo and Peter Möller},
journal= {arXiv preprint arXiv:1012.4311},
year = {2011}
}
Comments
6 pages, 7 figures