Description of sub-barrier heavy ion fusion in a semiclassical quantum tunneling model
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Yahlali Haddou, Nadia; Díaz Medina, José; Sami, Taklit
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Aquest document és un/a article, creat/da en: 1996
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In this paper we apply the semiclassical method based on the Feynman path integral formalism to sub-barrier fusion of heavy nuclei. Cross sections are calculated and compared to experimental data and to coupled-channel calculations for different mass systems: 32S124Mg, 58Ni164Ni, and 16O1208Pb. The semiclassical method and coupled-channel calculations give comparable results. It is found that the coupling produces a renormalization of the barrier that is responsible for the enhancement of sub-barrier fusion cross sections and a dissipative force along the classical tunneling path. |
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