The Differential Cross Section of Elastic Scattering of Fast Neutrons on Li

Zhang Kun; Cao Jianhua; Wan Dairong; Dai Yunsheng; Wu Xiaohua

Chinese Physics C> 1995, Vol. 19> Issue(10) : 879-883

The Differential Cross Section of Elastic Scattering of Fast Neutrons on Li

Institute of Nuclear Science and Technology. Sichuan University, Chengdu 610064

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Abstract：
The differential cross section of fast neutrons on ⁶Li and ⁷Li has been measured at 14.7MeV using associated particle time-of-flight technique.Scattered neutrons are detected at 9 angles from 35 to 115 deg in massively shielded ST451 liquid scintillator located 254cm from the scattering sample.The efficiency curve of neutron detector was determined by measuring the n-p scattering in polyethylence. The total error of the differential cross section is from 10% to 15% including the statistical error of 1.0-5.0%and the measurment error of efficiency curve of 6.0%7.5 %.

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Zhang Kun, Cao Jianhua, Wan Dairong, Dai Yunsheng and Wu Xiaohua. The Differential Cross Section of Elastic Scattering of Fast Neutrons on Li[J]. Chinese Physics C, 1995, 19(10): 879-883.

Zhang Kun, Cao Jianhua, Wan Dairong, Dai Yunsheng and Wu Xiaohua. The Differential Cross Section of Elastic Scattering of Fast Neutrons on Li[J]. Chinese Physics C, 1995, 19(10): 879-883. shu

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Received: 1900-01-01
Revised: 1900-01-01

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沈阳化工大学材料科学与工程学院沈阳 110142

The Differential Cross Section of Elastic Scattering of Fast Neutrons on Li

Corresponding author: Zhang Kun,

Institute of Nuclear Science and Technology. Sichuan University, Chengdu 610064

Received Date: 1900-01-01
Accepted Date: 1900-01-01
Available Online: 1995-10-05

Abstract: The differential cross section of fast neutrons on ⁶Li and ⁷Li has been measured at 14.7MeV using associated particle time-of-flight technique.Scattered neutrons are detected at 9 angles from 35 to 115 deg in massively shielded ST451 liquid scintillator located 254cm from the scattering sample.The efficiency curve of neutron detector was determined by measuring the n-p scattering in polyethylence. The total error of the differential cross section is from 10% to 15% including the statistical error of 1.0-5.0%and the measurment error of efficiency curve of 6.0%7.5 %.