Dominance of collective over proton transfer couplings in the fusion of [Formula Presented] and [Formula Presented] with [Formula Presented]

A. Mukherjee, M. Dasgupta, D. J. Hinde, K. Hagino, J. R. Leigh, J. C. Mein, C. R. Morton, J. O. Newton, H. Timmers

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Abstract

Fusion excitation functions have been measured to high precision for the reactions [Formula Presented] and [Formula Presented] The sub-barrier fusion cross sections for [Formula Presented] are found to be more enhanced over single-barrier penetration calculations than those for [Formula Presented] and the shapes of the two experimental barrier distributions are significantly different. The effects of proton transfer and double phonon excitations have been examined using exact coupled channels calculations. These suggest that the difference between the two systems lies mainly in the collectivity of the projectiles, whilst proton transfer has only a minor effect.

Original languageEnglish
Number of pages1
JournalPhysical Review C - Nuclear Physics
Volume66
Issue number3
DOIs
Publication statusPublished - 2002 Jan 1
Externally publishedYes

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

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    Mukherjee, A., Dasgupta, M., Hinde, D. J., Hagino, K., Leigh, J. R., Mein, J. C., Morton, C. R., Newton, J. O., & Timmers, H. (2002). Dominance of collective over proton transfer couplings in the fusion of [Formula Presented] and [Formula Presented] with [Formula Presented]. Physical Review C - Nuclear Physics, 66(3). https://doi.org/10.1103/PhysRevC.66.034607