Evidence of double phonon excitations in the fusion of 16O + 208Pb

M. Dasgupta, K. Hagino, C. R. Morton, D. J. Hinde, J. R. Leigh, N. Takigawa, H. Timmers, J. O. Newton

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14 Citations (Scopus)

Abstract

The fusion cross-sections for 16O+ 208Pb, measured to high precision, enable the extraction of the distribution of fusion barriers. This shows a structure markedly different from the single barrier which might be expected for fusion of two doubly-closed shell nuclei. The results of exact coupled-channel calculations performed to understand the observations are presented. These calculations indicate that coupling to a double octupole phonon excited state in 208Pb is necessary to explain the experimental barrier distributions.

Original languageEnglish
Pages (from-to)1491-1496
Number of pages6
JournalJournal of Physics G: Nuclear and Particle Physics
Volume23
Issue number10
DOIs
Publication statusPublished - 1997 Oct

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

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