English

Cluster states and isoscalar monopole transitions of $^{24}$Mg

Nuclear Theory 2015-02-24 v1

Abstract

We investigate structure of the excited 0+0^+ states of 24^{24}Mg populated by isoscalar monopole transition from the ground state on the basis of antisymmetrized molecular dynamics calculation with Gogny D1S interaction. The calculated isoscalar monopole strength function shows reasonable agreement with experiment and is consistent with other theoretical calculation. The structure of the excited 0+0^+ states with pronounced isoscalar monopole transitions are analyzed. It is found that the 02+0^+_2, 03+0^+_3 and 05+0^+_5 states have mixed nature of mean-field and cluster, and that the 08+0^+_8 state is dominated by 12^{12}C+12^{12}C cluster configuration. In addition, it is predicted that 5α5\alpha-pentagon+α\alpha states appear around 23 MeV.

Keywords

Cite

@article{arxiv.1502.06325,
  title  = {Cluster states and isoscalar monopole transitions of $^{24}$Mg},
  author = {Y. Chiba and M. Kimura},
  journal= {arXiv preprint arXiv:1502.06325},
  year   = {2015}
}