Iwamoto-Harada model of pre-equiluibrium cluster emission: Should we care about angular momentum?
Institute of Physics, Slovak Acad. Sci., 84511 Bratislava, Slovakia
2 Inst. of Physics, Fac. of Philosophy and Sci., Silesian Univ. 74601 Opava, Czech Rep.
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Whereas the emission of nucleons in low-energy nuclear reactions (say, below the pion threshold) can be nicely described using statistical models (compound nucleus plus pre-equilibrium), that of the complex particles, i.e. light clusters up to α's, is far from satisfactory state. The Iwamoto-Harada model of pre-equilibrium cluster emission was formulated within spin-independent version of the exciton model. The inclusion of angular momentum into the pre-equilibrium reactions proved to be important and essential for the γ emission. The angular-momentum couplings have not yet been applied to the light cluster emission; however, the connection with deformation suggested by Blann has been shown to have visible effects. Our study is aimed to consider, whether and how the angular-momentum couplings influence the light cluster emission within the Iwamoto-Harada model.
© Owned by the authors, published by EDP Sciences, 2012