Physics – Nuclear Physics – Nuclear Theory
Scientific paper
2002-02-08
Pramana61:529-538,2003
Physics
Nuclear Physics
Nuclear Theory
9 pages, 3 figures, Revtex.sty
Scientific paper
10.1007/BF02705476
The effect of inelastic excitation of exotic light projectiles (proton- as well as neutron-rich) $^{17}$F and $^{11}$Be on fusion with heavy target has been studied at near-barrier energies. The calculations have been performed in the coupled channels approach where, in addition to the normal coupling of the ground state of the projectile to the continuum, inelastic excitation of the projectile to the bound excited state and its coupling to the continuum have also been taken into consideration. The inclusion of these additional couplings has been found to have significant effect on the fusion excitation function of neutron-rich $^{11}$Be on $^{208}$Pb whereas the effect has been observed to be nominal for the case of proton-rich $^{17}$F on the same target. The pronounced effect of the channel coupling on the fusion process in case of $^{11}$Be is attributed to its well-developed halo structure.
Banerjee Palash
Bhattacharya Chandana
Bhattacharya Sailajananda
Krishan Kapilanjan
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