Fission Data Systematics

  • H. Märten
  • A. Ruben
  • D. Seeliger
  • I. Düring
  • D. Polster
Conference paper
Part of the Research Reports in Physics book series (RESREPORTS)


Fission fragment characteristics as well as multiplicities \( \bar{v} \), energy spectra N(E) and angular distributions of fission neutrons were analyzed in the framework of a phenomenological scission point model including semi-empirical, temperature- dependent shell correction energies for describing energy partition in fission as function of mass asymmetry and a statistical-model approach to post-fission neutron emission, respectively. In the case of multiple-chance fission reactions, statistical multi-step reaction theory including fission channel in the multi-step compound part was used to calculate partial fission cross sections together with pre-fission neutron spectra. The physical consistency achieved in the calculations concern exact energy conservation within the fission model applied as well as reaction theory with account for multi-step direct (particle-hole and phonon excitations) and multi-step compound processes including fission channel (master equation approach). Calculations were performed for a large number of spontaneously fissioning nuclei as well as neutron induced fission of actinides important for nuclear technology in the incidence energy range 0–20 MeV. New \( \bar{E}(\bar{v}) \) relations are presented.


fission prompt neutron emission neutron multiplicity neutron spectra 


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Copyright information

© Springer-Verlag Berlin Heidelberg 1992

Authors and Affiliations

  • H. Märten
    • 1
  • A. Ruben
    • 1
  • D. Seeliger
    • 1
  • I. Düring
    • 1
  • D. Polster
    • 1
  1. 1.TU DresdenDresdenGermany

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