Effect of the initial excitation energy on the average fission lifetime of nuclei |
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Authors: | I I Gontchar N A Ponomarenko A L Litnevsky |
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Institution: | (1) Omsk State Railway University, pr. Marksa 55A, Omsk, 644046, Russia |
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Abstract: | The dependence of the fission time on the initial nuclear excitation energy E tot 0 * is studied on the basis of a refined combined dynamical and statistical model. It is shown that this dependence may be nonmonotonic, in which case it features a broad maximum. It turns out that the form of the average fission time 〈t f 〉 as a function of E tot 0 * depends greatly on the orbital angular momentum L n carried away by prescission neutrons. |
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