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From Di-Nucleus to Mono-Nucleus - Neck Evolution in Fusion of Massive Systems -

Abstract : Dynamics of the neck degree of freedom during fusioning process between heavy ions is studied. Time scales of the three degrees of freedom (the relative distance, the neck and the mass-asymmetry) are studied, showing an early equilibration of the neck. This means that a di-nucleus formed by the incident combination of ions quickly forms a mono-nucleus with a superdeformation during the fusion process and that the other two degrees of freedom have to be solved in a coupled way. A brief introduction of Langevin approach and dissipation-fluctuation dynamics is also given and of the application to the synthesis of the superheavy elements.
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Submitted on : Monday, January 5, 2009 - 1:24:17 PM
Last modification on : Sunday, July 5, 2020 - 9:43:25 PM
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Yasuhisa Abe, Caiwan Shen, David Boilley, Bertrand Giraud. From Di-Nucleus to Mono-Nucleus - Neck Evolution in Fusion of Massive Systems -. International Journal of Modern Physics E, World Scientific Publishing, 2009, 18 (10), pp.2169-2174. ⟨10.1142/S0218301309014494⟩. ⟨in2p3-00349923⟩

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