EPJ Web Conf.
Volume 193, 20186th Workshop on Nuclear Fission and Spectroscopy of Neutron-Rich Nuclei (FISSION 2017)
|Number of page(s)||7|
|Section||Prompt and Delayed Gamma and Neutron Emission in Fission|
|Published online||14 November 2018|
Neutron anisotropic evaporation and scission emission in fission
Université de Strasbourg, CNRS, IPHC UMR 7178, F-67000 Strasbourg, France
2 Physikalisches Institut, Universität Tübingen, D-72076 Tübingen, Germany
3 Frank Laboratory of Neutron Physics, JINR, 141980 Dubna, Russia
4 GSI Helmholtzzentrum für Schwerionenforschung, D-64291 Darmstadt, Germany
5 Institut für Kernphysik, Technische Universität Darmstadt, D-64289 Darmstadt, Germany
6 Petersburg Nuclear Physics Institute, National Research Centre “Kurchatov Institute”, 188300 Gatchina, Russia
7 Flerov Laboratory of Nuclear Reactions, JINR, 141980 Dubna, Russia
8 EC-JRC-Institute for Reference Materials and Measurements, B-2440 Geel, Belgium
9 PNTPM, Université Libre de Bruxelles, B-1050 Brussels, Belgium
* Corresponding author: email@example.com
† Present address: Irfu, CEA, Université Paris-Saclay, F-91191 Gif-sur-Yvette, France
Published online: 14 November 2018
Experimental neutron distributions have been investigated in the spontaneous fission of 252Cf 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.
© The Authors, published by EDP Sciences, 2018
This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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