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Further microscopic studies of the fission barriers of heavy nuclei

Nhan Hao, T. V. and Bloas, J. Le and Koh, Meng Hock and Bonneau, L. and Quentin, P. (2012) Further microscopic studies of the fission barriers of heavy nuclei. International Journal of Modern Physics E, 21 (5). pp. 1250051-1. ISSN 0218-3013

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Abstract

Two systematic sources of error in most current microscopic evaluations of fission-barrier heights are studied. They are concerned with an approximate treatment of the Coulomb exchange terms (known as the Slater approximation) in the self-consistent mean fields and the projection on good parity states (e.g., of positive parity for the spontaneous fission of an even-even nucleus) of left-right reflection asymmetric intrinsic solutions (e.g., around the second barrier). Approximate or unprojected solutions are shown to lead each to an underestimation of the barrier heights by a few hundred keV.

Item Type:Article
Uncontrolled Keywords:Physics
Subjects:Q Science > QC Physics
Divisions:Science
ID Code:47012
Deposited By: Haliza Zainal
Deposited On:22 Jun 2015 13:56
Last Modified:28 Sep 2017 15:17

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