Effects of anharmonic vibration on large-angle quasi-elastic scattering of O16+Sm144

Muhammad Zamrun F., K. Hagino

研究成果: Article査読

25 被引用数 (Scopus)

抄録

We study the effects of double octupole and quadrupole phonon excitations in the Sm144 nucleus on quasi-elastic O16+Sm144 scattering at backward angles. To this end, we use the coupled-channels framework, taking into account explicitly the anharmonicities of the vibrations. We use the same coupling scheme as that previously employed to explain the experimental data of sub-barrier fusion cross sections for the same system. We show that the experimental data for the quasi-elastic cross sections are well reproduced in this way, although the quasi-elastic barrier distribution has a distinct high energy peak which is somewhat smeared in the experimental barrier distribution. We also discuss the effects of proton transfer on the quasi-elastic barrier distribution. Our study indicates that the fusion and quasi-elastic barrier distributions for this system cannot be accounted for simultaneously with the standard coupled-channels approach.

本文言語English
論文番号014606
ジャーナルPhysical Review C - Nuclear Physics
77
1
DOI
出版ステータスPublished - 2008 1月 11
外部発表はい

ASJC Scopus subject areas

  • 核物理学および高エネルギー物理学

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