Study of impact factors on the decay heat calculation of neutron sufficient even-even nuclei of Te, Xe, Ba, Ce, Nd and Sm isotopes

The impact factors on the decay heat calculation are studied for the neutron sufficient even-even nuclei of Te, Xe, Ba, Ce, Nd and Sm isotopes, including: nuclear deformation, nuclear structure complexity and level density. By comparing the calculated results of QRPA method and gross theory with the experimental results, it is found that for the case of even-even nuclei considered in this paper: gross theory presents better results for the situation of daughter nuclei with complex level scheme, showing its statistical method nature; QRPA method presents better results for near spherical nuclei. Both methods are not affected by the level density.

Abstract licence: CC BY

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