Physics – Nuclear Physics – Nuclear Experiment
Scientific paper
1999-01-06
Phys.Rev.Lett.82:1395-1398,1999
Physics
Nuclear Physics
Nuclear Experiment
RevTex, 11 pages, 2 postscript figures, to appear in PRL
Scientific paper
10.1103/PhysRevLett.82.1395
Complete fusion excitation functions for $^{9}$Be + $^{208}$Pb have been measured to high precision at near barrier energies. The experimental fusion barrier distribution extracted from these data allows reliable prediction of the expected complete fusion cross-sections. However, the measured cross-sections are only 68% of those predicted. The large cross-sections observed for incomplete fusion products support the interpretation that this suppression of fusion is caused by $^{9}$Be breaking up into charged fragments before reaching the fusion barrier. Implications for the fusion of radioactive nuclei are discussed.
Anjos R. M.
Berriman A. C.
Butt R. D.
Carlin Nelson
Dasgupta Mahananda
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