A check on the reliability in the data processing of a positron lifetime spectrum

Yunyu Wang; Jiayu Xue

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A check on the reliability in the data processing of a positron lifetime spectrum

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- A check on the reliability in the data processing of a positron lifetime spectrum
- Nuclear Techniques Vol. 06, Issue 2, (1983)
- 作者机构：
  
  中国科学院高能物理研究所
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Received：05 June 1981，
  
  Published：1983-04
- 稿件说明：
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Yunyu Wang, Jiayu Xue. A check on the reliability in the data processing of a positron lifetime spectrum[J]. Nuclear techniques, 1983, 06(2): 25-27,74.
DOI：

Yunyu Wang, Jiayu Xue. A check on the reliability in the data processing of a positron lifetime spectrum[J]. Nuclear techniques, 1983, 06(2): 25-27,74. DOI：

摘要

我们用S.J.Tao

[1]

提出的最小二乘法拟合多指数曲线的计算方法来分解实验测得的正电子湮没寿命谱

[2]

。由于测试仪器有一定的分辨率，因而实际测到的计数

（

）与真实的强度

（

）之间有差异。这种差异在寿命谱的起始部分表现得十分强烈（见图1）

[3]

。

Abstract

We have checked the reliability in the data analysis of a positron lifetime spectrum

in which the least-square fit method was used

but have not taken the deconvolution procedure to consider the resolution function. We have also defined the best region to take the experimental points for analyzing the lifetime spectrum. In addition

as the intensity of each component was being calculated

the transfer of t

to right was interpreted.

关键词

Keywords

references

S. J. Tao , IEEE trans. Nucl. Sci . , NS-15 , 1 , 175 （ 1968 ）.

王蕴玉等， Proc. of 5th international conference on positron annihilation , Japan , 1979 . p. 227 .

L. Beström et al . , Nucl. Inst. Meth ., 44 . 61 （ 1966 ）.

P. Kirkegaared et al . , Computer Phys. Communication , 3 , 240 （ 1972 ）.

M. Eldrup et al . , Appl. Phys ., 15 , 65 （ 1978 ）.

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