$^{16}{\rm O} + ^{16}{\rm O}$ nature of the superdeformed band of $^{32}{\rm S}$ and the evolution of the molecular structure

Details $^{16}{\rm O} + ^{16}{\rm O}$ nature of the superdeformed band of $^{32}{\rm S}$ and the evolution of the molecular structure $^{16}{\rm O} + ^{16}{\rm O}$ nature of the superdeformed band of $^{32}{\rm S}$ and the evolution of the molecular structure

2003-11-19

arxiv.org/abs/nucl-th/0311061v1

Phys.Rev. C69 (2004) 051304

Physics

Nuclear Physics

Nuclear Theory

Scientific paper

10.1103/PhysRevC.69.051304

The relation between the superdeformed band of $^{32}{\rm S}$ and $^{16}{\rm O} + ^{16}{\rm O}$ molecular bands is studied by the deformed-base antisymmetrized molecular dynamics with the Gogny D1S force. It is found that the obtained superdeformed band members of $^{32}{\rm S}$ have considerable amount of the $^{16}{\rm O} + ^{16}{\rm O}$ component. Above the superdeformed band, we have obtained two excited rotational bands which have more prominent character of the $^{16}{\rm O} + ^{16}{\rm O}$ molecular band. These three rotational bands are regarded as a series of $^{16}{\rm O} + ^{16}{\rm O}$ molecular bands which were predicted by using the unique $^{16}{\rm O}$ -$^{16}{\rm O}$ optical potentil. As the excitation energy and principal quantum number of the relative motion increase, the $^{16}{\rm O} + ^{16}{\rm O}$ cluster structure becomes more prominent but at the same time, the band members are fragmented into several states.

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