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Fission-fragment excitation energy sharing beyond scission
Physical Review C ( IF 3.2 ) Pub Date : 
Aurel Bulgac

A simplified, though realistic, model describing two receding and accelerating fission fragments, due to their mutual Coulomb repulsion, shows that fission fragments share excitation energy well after they ceased to exchange nucleons. This mechanism leads to a lower total kinetic energy of the fission fragments, particularly if the pygmy resonances in the fission fragments are excited. Even though the emphasis here is on fission, similar arguments apply to fragments in heavy-ion reactions.

中文翻译:

裂变碎片激发能量共享

一个简化的尽管现实的模型描述了两个后退和加速裂变碎片,由于它们相互之间的库仑排斥作用,显示出裂变碎片在停止交换核子后能很好地共享激发能。这种机制导致裂变碎片的总动能降低,特别是如果裂变碎片中的侏儒共振被激发。即使这里的重点是裂变,类似的论点也适用于重离子反应中的碎片。
更新日期:2020-09-23
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