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Stochastic semi-classical description of fusion at near-barrier energies

Abstract : Fusion reactions of heavy ions are investigated by employing a simple stochastic semi-classical model, which includes coupling between the relative motion and low frequency collective surface modes of colliding ions similarly to the quantal coupled-channels description. The quantal effect enters into the calculation through the initial zero-point fluctuations of the surface vibrations. A good agreement with results of coupled-channels calculations as well as experimental data is obtained for fusion cross sections of Ni isotopes. The internal excitations in nonfusing events as well as the fusion time are investigated.
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Contributor : Michel Lion <>
Submitted on : Monday, March 15, 2010 - 12:39:30 PM
Last modification on : Wednesday, July 1, 2020 - 3:02:02 PM

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S. Ayik, B. Yilmaz, David Lacroix. Stochastic semi-classical description of fusion at near-barrier energies. Physical Review C, American Physical Society, 2010, 81, pp.034605. ⟨10.1103/PhysRevC.81.034605⟩. ⟨in2p3-00463849⟩



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