Neutron anisotropic evaporation and scission emission in fission
EPJ Web of Conferences(2018)
摘要
Experimental neutron distributions have been investigated in the spontaneous fission of Cf-252 at IPHC in Strasbourg. The CORA experiment associating the CODIS twin ionisation chamber and the neutron multi-detector DEMON aimed to solve an long-standing problem in fission: the possible emission of scission neutrons and/or the presence of a dynamical anisotropy in the neutron evaporation by the moving fission fragments. A new method allowing to establish the dynamical anisotropy in an independent way is presented. The results obtained from a comparison with simulations based on GEANT4 are shown.
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