Subbarrier fusion reactions of an aligned deformed nucleus

K. Hagino, S. Sakaguchi

研究成果: Contribution to journalArticle

抜粋

We discuss heavy-ion fusion reactions of a well-deformed odd-mass nucleus at energies around the Coulomb barrier. To this end, we consider the O16+Ho165 reaction and take into account the effect of deformation of Ho165 using the orientation average formula. We show that fusion cross sections are sensitive to magnetic substates of the target nucleus, and cross sections for the side collision, which are relevant to a synthesis of superheavy elements, may be enhanced by a factor of around two by aligning the deformed target nuclei. We also discuss the effect of alignment on the fusion barrier distribution. We find that, for a particular choice of alignment, the shape of barrier distribution becomes similar to a typical shape of barrier distribution for a deformed nucleus with a negative hexadecapole deformation parameter, β4, even if the intrinsic β4 is positive in the target nucleus.

元の言語英語
記事番号064614
ジャーナルPhysical Review C
100
発行部数6
DOI
出版物ステータス出版済み - 12 27 2019

All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics

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