EPJ Web Conf.
Volume 146, 2017ND 2016: International Conference on Nuclear Data for Science and Technology
|Number of page(s)||4|
|Section||Fission Physics and Observables|
|Published online||13 September 2017|
Experimental programme on absolute fission fragment yields with the lohengrin spectrometer: New optical and statistical methodologies
1 LPSC, Université Grenoble-Alpes, CNRS/IN2P3, 53 rue des Martyrs, 38026 Grenoble Cedex, France
2 CEA, DEN, DER, SPRC, LEPh, Cadarache center, 13108 Saint-Paul-lez-Durance, France
3 Institut Laue-Langevin, 38042 Grenoble Cedex 9, France
4 CEA, DSM, IRFU, SPhN, LEARN, Saclay center, 91191 Gif-sur-Yvette, France
a e-mail: firstname.lastname@example.org
Published online: 13 September 2017
The study of fission yields has a major impact on the characterization and understanding of the fission process and is mandatory for reactor applications. In the past with the LOHENGRIN spectrometer of the ILL, priority has been given for the studies in the light fission fragment mass range. The LPSC in collaboration with ILL and CEA has developed a measurement program on symmetric and heavy mass fission fragment distributions. The combination of measurements with ionisation chamber and Ge detectors is necessary to describe precisely the heavy fission fragment region in mass and charge. Recently, new measurements of fission yields and kinetic energy distributions are has been made on the 233U(nth,f) reaction. The focus of this work has been on the new optical and statistical methodology and the self-normalization of the data to provide new absolute measurements, independently of any libraries, and the associated experimental covariance matrix.
© The Authors, published by EDP Sciences, 2017
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