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NNLC: non-negative least chi-square minimization and application to HPGe detectors

Abstract : 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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http://hal.in2p3.fr/in2p3-00365742
Contributor : Sophie Heurteau <>
Submitted on : Wednesday, March 4, 2009 - 2:13:33 PM
Last modification on : Wednesday, September 16, 2020 - 4:17:33 PM

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P. Désesquelles, T. M. H. Ha, A. Korichi, F. Le Blanc, C. M. Petrache. NNLC: non-negative least chi-square minimization and application to HPGe detectors. Journal of Physics G: Nuclear and Particle Physics, IOP Publishing, 2009, 36, pp.037001. ⟨10.1088/0954-3899/36/3/037001⟩. ⟨in2p3-00365742⟩

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