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Excitation of nuclear anharmonic vibrations in heavy-ion fusion reactions
K. Hagino, S. Kuyucak, N. Takigawa
We discuss the effects of multi-phonon excitations on heavy-ion fusion reactions at energies near and below the Coulomb barrier, focusing especially on the role of anharmonicities.…
Anharmonic phonon excitations in subbarrier fusion reactions
K. Hagino, N. Takigawa, S. Kuyucak
Recently measured high precision data of fusion excitation function have enabled a detailed study on the effects of nuclear collective excitations on fusion reactions. Using such h…
Barrier Distributions as a Tool to Investigate Fusion and Fission
M. Dasgupta, D. J. Hinde, J. R. Leigh +1
The recent availability of precisely measured fusion cross-sections has enabled the extraction of a representation of the distribution of barriers encountered during fusion. These…
Evidence of Double Phonon Excitations in ^{16}O + ^{208}Pb Reaction
M. Dasgupta, K. Hagino, C. R. Morton +5
The fusion cross-sections for ^{16}O + ^{208}Pb, measured to high precision, enable the extraction of the distribution of fusion barriers. This shows a structure markedly different…
Importance of Non-Linear Couplings in Fusion Barrier Distributions and Mean Angular Momenta
K. Hagino, N. Takigawa, M. Dasgupta +2
The effects of higher order coupling of surface vibrations to the relative motion on heavy-ion fusion reactions at near-barrier energies are investigated. The coupled channels equa…
Probing anharmonic properties of nuclear surface vibration by heavy-ion fusion reactions
N. Takigawa, K. Hagino, S. Kuyucak
Describing fusion reactions between ^{16}O and ^{154}Dy and, between ^{16}O and ^{144}Sm by the and interacting boson model, we show that heavy-ion fusion reactions ar…