期刊
出版社
ELSEVIER
DOI: 10.1016/j.nima.2015.03.058
关键词
Neutron depth profiling; Cold neutron; CMRR; SRM-2137
类别
资金
- National Natural Science Foundation of China [11475152]
- Neutron Physics Laboratory Foundation of CAEP [2013BB01]
A neutron depth profiling (NDP) system has been developed at China Mianyang Research Reactor (CMRR) at Institute of Nuclear Physics and Chemistry (INPC), CAEP. The INPC-NDP system utilizes cold neutrons which are transported along the Cl neutron guide from the cold neutron source. It consists of a beam entrance, a target chamber, a beam stopper, and data acquisition electronics for charged particle pulse-height analysis. A 90 cm in diameter stainless steel target chamber was designed to control the positions of the sample and detector. The neutron beam intensity of 2.1 x 10(8) n cm(-2) S-1 Was calibrated by the Au foil activation method at the sample position. The INPC-NDP system was tested by using a Standard Reference Materials SRM-2137. The measured results agreed well with the reference values. (C) 2015 Elsevier B.V. All rights reserved,
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