Evaporation residue cross-sections as a probe for nuclear dissipation in the fission channel of a hot rotating nucleus

Details Evaporation residue cross-sections as a probe for nuclear dissipation in the fission channel of a hot rotating nucleus Evaporation residue cross-sections as a probe for nuclear dissipation in the fission channel of a hot rotating nucleus

2003-06-02

arxiv.org/abs/nucl-th/0306003v1

Eur.Phys.J. A18 (2003) 9-15

Physics

Nuclear Physics

Nuclear Theory

12 pages including 4 figures

Scientific paper

10.1140/epja/i2003-10038-x

Evaporation residue cross-sections are calculated in a dynamical description of nuclear fission in the framework of the Langevin equation coupled with statistical evporation of light particles. A theoretical model of one-body nuclear friction which was developed earlier, namely the chaos-weighted wall formula, is used in this calculation for the 224Th nucleus. The evaporation residue cross-section is found to be very sensitive to the choice of nuclear friction. The present results indicate that the chaotic nature of the single-particle dynamics within the nuclear volume may provide an explanation for the strong shape-dependence of nuclear friction which is usually required to fit experimental data.

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