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Going beyond statistical models for fission in the Businaro-Gallone region

Abstract : Dynamical calculations based on a four-dimensional stochastic Langevin approach are used to study fission in the Businaro-Gallone region. The use of such a model to map the Businaro-Gallone transition is proposed for the first time, exploiting recent theoretical developments and computing resources. The significance of the approach is supported by a systematic comparison with measurements for a set of systems. Experimental observations on fission-fragment charge distributions, which remained unexplained within a unified framework so far, are described by the dynamical model in a consistent manner. A detailed analysis reveals the interplay of dynamical effects, going beyond statistical-models interpretation and suggesting to revisit the commonly admitted idea about the prevalence of static effects in the Businaro-Gallone region.
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Contributor : Michel Lion <>
Submitted on : Tuesday, December 6, 2016 - 3:42:49 PM
Last modification on : Thursday, February 1, 2018 - 1:26:24 AM




K. Mazurek, C. Schmitt, P. N. Nadtochy, A. V. Cheredov. Going beyond statistical models for fission in the Businaro-Gallone region. Physical Review C, American Physical Society, 2016, 94 (6), pp.064602. ⟨10.1103/PhysRevC.94.064602⟩. ⟨in2p3-01410304⟩