EPJ Web Conf.
Volume 239, 2020ND 2019: International Conference on Nuclear Data for Science and Technology
|Number of page(s)||4|
|Section||Nuclear Reaction Measurements|
|Published online||30 September 2020|
Fast neutron inelastic scattering from 7Li
1 Helmholtz-Zentrum Dresden - Rossendorf, 01328 Dresden, Germany
2 Technische Universität Dresden, 01062 Dresden, Germany
3 European Commission, Joint Research Centre, 2440 Geel, Belgium
* e-mail: email@example.com
† Present address: Technische Universitat Darmstadt, 64277 Darmstadt, Germany
Published online: 30 September 2020
The inelastic scattering of fast neutrons from 7Li nuclei was investigated at the nELBE neutron-time-of-flight facility. The photon production cross section of 478 keV γ-rays from the first excited state of 7Li was determined by irradiating a disc of LiF with neutrons of energies ranging from 100 keV to about 10 MeV. The target position was surounded by a setup of 7 LaBr3 scintillation detectors and 7 high-purity germanium detectors to detect the de-excitation γ-rays. A 235U fission chamber was used to determine the incoming neutron flux. The number of detected photons was corrected for the detection efficiency, multiple scattering and the time-of-flight dependent data acquisition dead time. The preliminary results show reasonable agreement with some previous measurments but are about 15 % below the recent data taken at the GELINA facility.
© The Authors, published by EDP Sciences, 2020
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