Energy distribution and yield of Long Range Alpha (LRA) particles emitted during spontaneous fission of 238, 240, 242, 244- Pu- isotopes have been measured. Correlations between these experimental results with the Total Average Excitation Energy , the alpha-cluster performation probability S-alpha and the fission modes have been shown. This permitted to demonstrate that the LRA emission probability is strongly influenced by S alpha and also that it is very much enhanced for the (more deformed) Standard II fission mode compared to the (more spherical) Standard I mode.
SEROT Olivier;
WAGEMANS Cyriel;
1998-06-09
JRC16256
https://publications.jrc.ec.europa.eu/repository/handle/JRC16256,
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