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Issue:
A Fast Convolution Fitting Method for γ Energy Spectrum
Author(s):
XU Tong
,
SHAO Ming
,
LI Cheng
,
CHEN Hong-fang
,
XU Zi-zong
Pages:
722
-
724,692
Year:
2000
Issue:
6
Journal:
JOURNAL OF CHINA UNIVERSITY OF SCIENCE AND TECHNOLOGY
Keyword:
闪烁体
;
γ能谱
;
卷积
;
拟合
;
Abstract:
针对用低能的实验室γ源激发高能物理实验中采用的高密度,低光产额的闪烁晶体来测量其光产额时闪烁体的γ能谱不易拟合的问题,论文在原有的卷积拟合算法的基础上发展了一种解析方法,该方法通过用一解析函数来近似γ能谱中的康普顿本底形状,把原来耗时的数值卷积过程简化为一个递推级数的计算.该方法在不损失拟合精度的情况下大大提高了数据处理速度.
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