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Fission Dynamics: The Quest of a Temperature Dependent Nuclear Viscosity

机译:裂变动力学:对温度相关的核粘度的追求

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This paper presents a journey within some open questions about the current use of a temperature dependent nuclear viscosity in models of nuclear fission and proposes an alternative experimental approach by using systems of intermediate fissility. This study is particularly relevant because: i) systems of intermediate fissility offer a suitable frame-work since the intervals between the compound nucleus and scission point temperatures with increasing excitation energy are much smaller than in the case of heavier systems, ii) the dependence of viscosity on the temperature may change with the fissility of the composite system; iii) the opportunity to measure also observables in the evaporation residues channel translates into a larger set of effective constraints for the models.
机译:本文提出了一些有关当前在核裂变模型中使用与温度相关的核粘度的开放问题,并提出了使用中裂变系统的另一种实验方法。这项研究特别有意义,因为:i)具有中等裂变性的系统提供了合适的框架,因为随着激发能的增加,复合核和分裂点温度之间的间隔远小于较重的系统; ii)依赖于温度上的粘度可能会随着复合体系的易变性而变化; iii)在蒸发残留物通道中也测量可观测值的机会转化为该模型的更大的有效约束集。

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