Calculation of the fission width of an excited nucleus with the fission barrier dependent on excitation energy

V. Yu. Denisov and I. Yu. Sedykh

Phys. Rev. C 98, 024601 – Published 1 August 2018

Abstract

A simple expression for the fission width of excited nuclei with the fission barrier dependent on excitation energy is obtained. This fission width is larger than the one obtained with the help of the energy-independent fission barrier. The ratio of fission widths evaluated with and without the energy-dependent fission barrier has the maximum at excitation energy close to $\approx 40 MeV$ . The dependence of the fission barrier on the excitation energy is discussed.

Received 8 March 2018
Revised 17 May 2018

DOI:https://doi.org/10.1103/PhysRevC.98.024601

Physics Subject Headings (PhySH)

Fission Thermal & statistical models

Nuclear Physics

Authors & Affiliations

V. Yu. Denisov^1,2,3 and I. Yu. Sedykh⁴

¹Institute for Nuclear Research, Prospect Nauki 47, 03028 Kiev, Ukraine
²Faculty of Physics, Taras Shevchenko National University of Kiev, Prospect Glushkova 2, 03022 Kiev, Ukraine
³Ukrainian State University of Chemical Technology, Prospect Gagarina 8, 49005 Dnepr (Dnepropetrovsk), Ukraine
⁴Financial University, Leningradsky Prospect 49, 125993 Moscow, Russia

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Issue

Vol. 98, Iss. 2 — August 2018

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Physical Review C

covering nuclear physics