arXiv 0902.38142009-02-22nucl-ex

NNLC：非负最小卡方最小化及其在HPGe探测器中的应用

NNLC: Non-Negative Least Chi-square minimization and application to HPGe detectors

P. Desesquelles, T. M. H. Ha, A. Korichi, F. Le Blanc, C. M. Petrache

备注：: 8 pages, 4 figures 'This is an author-created, un-copyedited version of an article accepted for publication in J. Phys. G. IOP Publishing Ltd is not responsible for any errors or omissions in this version of the manuscript or any version derived from it
发表信息：: J.Phys.G36:037001,2009
DOI：: 10.1088/0954-3899/36/3/037001

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摘要：

针对有正解的卡方极小化问题，提出了一种新的求解方法。这种方法体现在流行的NNLS算法的演变。它的效率相对于残留物最小化说明了改进，它允许在AGATA HPGe探测器内的伽马相互作用的位置。

英文摘要：

A new method is proposed for the problem of solving chi-square minimization with a positive solution. This method is embodied in an evolution of the popular NNLS algorithm. Its efficiency with respect to residue minimization is illustrated by the improvement it permits on the location of gamma-interactions inside an AGATA HPGe detector.

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