Abstract
An interpretation of the experimental data concerning the emission of Long Range Alpha (LRA) particles emitted during spontaneous fission of 238,240,242,244Pu isotopes is given. In particular, we show that the LRA emission process is strongly influenced by the spectroscopic factor (related to the α-cluster preformation probability) and by the fission mode components of each nucleus. Furthermore, the energy transfer probability between the available deformation energy of the scissioning nucleus and the α-particle is calculated from a sudden approximation model. Lastly, a comparison between our theoretical prediction and the experimental data allowed a determination of the Qα-value at the scission point.
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