EPJ Web Conf.
Volume 239, 2020ND 2019: International Conference on Nuclear Data for Science and Technology
|Number of page(s)||6|
|Section||Experimental Facilities, Equipment, Techniques and Methods|
|Published online||30 September 2020|
Introduction of a C6D6 detector system on the Back-n of CSNS
Key Laboratory of Nuclear Data, China Institute of Atomic Energy, Beijing 102413, China
* Corresponding author: firstname.lastname@example.org
Published online: 30 September 2020
Radiative neutron capture cross sections are very important in the field of basic physics research and nuclear device R&D. The Back-n white neutron beam line of China Spallation Neutron Source (CSNS) is the first spallation neutron beam line in China. On the purpose for radiative neutron capture cross section measurement, a C6D6 detector system was built in the Back-n experimental station. The pulse height weighting technique (PHWT) was used to make the system’s detective efficiency independent of the cascade path and the energy of cascade gamma rays. The neutron energy spectrum was measured for the energy between 1eV and 80keV with a 6Li loaded ZnS scintillation detector. Besides, a testing experiment with 197Au and 169Tm samples was carried out to examine this system. According to the preliminary results, this C6D6 detector system can be used to perform neutron capture cross section measurement.
Key words: C6D6 detector / PHWT / neutron capture cross section / white neutron source
© The Authors, published by EDP Sciences, 2020
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