neutron beam line design of a white neutron source at csns

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ID: 214435
2017
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Abstract
China Spallation Neutron Source (CSNS), which is under construction, is a large scientific facility dedicated mainly for multi-disciplinary research on material characterization using neutron scattering techniques. The CSNS Phase-I accelerator will deliver a proton beam with an energy of 1.6 GeV and a pulse repetition rate of 25 Hz to a tungsten target, and the beam power is 100 kW. A white neutron source using the back-streaming neutrons through the incoming proton beam channel was proposed and is under construction. The back-streaming neutrons which are very intense and have good time structure are very suitable for nuclear data measurements. The white neutron source includes an 80-m neutron beam line, two experimental halls, and also six different types of spectrometers. The physics design of the beam line is presented in this paper, which includes beam optics and beam characterization simulations, with the emphasis on obtaining extremely low background. The first-batch experiments on nuclear data measurements are expected to be conducted in late 2017.
Reference Key
hantao2017epjneutron Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;Jing Hantao;Zhang Liying;Tang Jingyu;Ruan Xichao;Ning Changjun;Yu Yongji;Wang Pengcheng;Li Qiang;Ren Jie;Tang Hongqing;Wang Xiangqi
Journal utilitas mathematica
Year 2017
DOI
10.1051/epjconf/201714603029
URL
https://doi.org/10.1051/epjconf/201714603029
Keywords
physics

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