Data Process for Time-to-Amplitude 252Cf Randomly Pulsed Neutron Source System
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摘要: 数据处理过程是应用252Cf随机脉冲源系统测量获得瞬发中子衰减常数的重要环节。通过对模拟数据和实验结果的分析比较,认为应该使用单指数最小二乘法拟合数据。拟合起始道应避开高次项衰减影响,且必需有足够的统计计数。Abstract: Data process is an important step for the final determination of propmt neutron decay constant in 252Cf randomly pulsed neutron source method. Comparison between the simulated and the experiment data shows that the single exponential dcay mode of least-square fittings shall be used. The initial channel shall avoid the high-order term attenuation effect, and shall be with enough statistic counting.
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Key words:
- Time-to-amplitude /
- 252Cf /
- Prompt neutron /
- Data
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