Measuring Nuclear Reaction Yields in a Procedure Based on Decay Chain Analysis

被引：14

作者：

Belyshev, S. S. ^{[1
]}

Stopani, K. A. ^{[2
]}

Troschiev, S. Yu. ^{[1
]}

Kurilik, A. S. ^{[1
]}

Kuznetsov, A. A. ^{[2
]}

机构：

[1] Moscow MV Lomonosov State Univ, Fac Phys, Moscow 119991, Russia

[2] Moscow MV Lomonosov State Univ, Inst Nucl Phys, Moscow 119191, Russia

来源：

MOSCOW UNIVERSITY PHYSICS BULLETIN | 2011年 / 66卷 / 04期

关键词：

nuclear reactions; activation analysis; gamma-ray spectrometry; linear statistical model;

D O I：

10.3103/S0027134911040059

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The problem of finding nuclear reaction yields in activation experiments is analyzed. It was shown that in the presence of complex decay chains the activity of gamma-spectrum lines of the nuclei can be described with a linear statistical model. Since the covariance matrix is unavailable the iteratively reweighted general least squares method is an appropriate means of obtaining a maximum-likelihood estimation. The relationship between the variances of estimated yields and the duration of spectrum measurements is discussed.

引用

页码：363 / 368

页数：6

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