Measurement of the neutron spectrum of a Pu-C source with a liquid scintillator
Measurement of the neutron spectrum of a Pu-C source with a liquid scintillator
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DOI：
10.1088/1674-1137/33/5/012
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发表时间：
2009-05
影响因子：
3.6
通讯作者：
Wang Song-lin;Huang Han-xiong;R. Xi-chao;L. Xia;Bao Jie;Nie Yangbo;Zhong Qi-ping;Zhou Zu-ying;Kong Xiang-zhong
中科院分区：
文献类型：
--
作者：
Wang Song-lin;Huang Han-xiong;R. Xi-chao;L. Xia;Bao Jie;Nie Yangbo;Zhong Qi-ping;Zhou Zu-ying;Kong Xiang-zhong
用p-T反应产生的一系列单能中子测量了BC 501A液体闪烁体的中子响应函数。选择质子能量，以便产生1至20 MeV能量范围内的中子。本文简要介绍了利用测量的中子响应函数和脉冲高度谱展开中子能谱的原理。对大亚湾中微子实验中反应堆反中微子探测器刻度用的Pu-C源的中子PH谱进行了测量和分析，得到了中子能谱。同时测量了Am-Be源的中子能谱，并与其他测量结果进行了比较，以检验Pu-C源的结果。最后给出了误差分析和结果讨论。
The neutron response function for a BC501A liquid scintillator (LS) has been measured using a series of monoenergetic neutrons produced by the p-T reaction. The proton energies were chosen such as to produce neutrons in the energy range of 1 to 20 MeV. The principles of the technique of unfolding a neutron energy spectrum by using the measured neutron response function and the measured Pulse Height (PH) spectrum is briefly described. The PH spectrum of neutrons from the Pu-C source, which will be used for the calibration of the reactor antineutrino detectors for the Daya Bay neutrino experiment, was measured and analyzed to get the neutron energy spectrum. Simultaneously the neutron energy spectrum of an Am-Be source was measured and compared with other measurements as a check of the result for the Pu-C source. Finally, an error analysis and a discussion of the results are given.