Direct decomposition of the experimental γ-γ coincidence matrix

Emelianov, B.A.; Kabina, L. P.; Kondurov, I.A.; Loginov, Yu.E.; Sushkov, P. A.

doi:10.1016/0029-554x(80)90837-x

Cited by 6 publications

(2 citation statements)

References 2 publications

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“…Our initial attempts to fit 2D spectra were similar to that of Emelianov et al . [1], namely, we described the continuum as a tilted plane in each of the fitting regions (generally the rectangle defined by adjacent regions relatively free of peaks to the total projection spectrum)…”

Section: Methods Of Analysismentioning

confidence: 99%

Analysis of multidimensional spectra: estimating the continuum

Griffin

Chemaly

1990

Nuclear Instruments and Methods in Physics Research Section A:

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We have developed a two-dimensional fitting program which extracts coincidence intensities and their uncertainties from a Y-Y coincidence matrix. The data are fitted by peaks and ridges on a two-dimensional continuum. The continuum is described as the product of components of a presumed Compton distribution for the set of detectors contributing to each axis of the continuum. Peaks and ridges are based on simple Gaussians 3 3 1-1

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Section: Methods Of Analysismentioning

confidence: 99%

Analysis of multidimensional spectra: estimating the continuum

Griffin

Chemaly

1990

Nuclear Instruments and Methods in Physics Research Section A:

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“…Emelianov et al . [1] developed a method for the direct decomposition of coincidence spectra that used a priori information on energies and intensities of y-rays obtained from other experiments . This approach did involve a large number of degrees of freedom as brought up by Vanin and Aiche [2], who proposed a return to one-dimensional fits with greater emphasis on the propagation of statistical errors .…”

Section: Extracting Energies and Intensities From Complex Coincidencementioning

confidence: 99%

Extracting energies and intensities from complex coincidence matrices

Chemaly

Griffin

1994

Nuclear Instruments and Methods in Physics Research Section A:

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Coincidence intensities and uncertainties are extracted at the statistical limits from-y-y coincidence matrices. The matrices are decomposed into continuum, ridges and peaks. The continuum is successfully modeled by the product of two vectors which describe the Compton distributions in the coincident detectors or groups of detectors. The ridges are represented by the corresponding continuum vector scaled according to the intensity and energy of the associated-y-ray. The peaks are fitted as the product of two, one-dimensional Gaussians. This technique has been applied to the analysis of prompt gamma-rays from the spontaneous fission of 252Cf and the high spin states in t63Lu populated via the 122Sn(45 Sc, 4n) reaction .

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Statistical analysis of γ-γ coincidence matrices

Vanin

Aïche

1989

Nuclear Instruments and Methods in Physics Research Section A:

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Direct decomposition of the experimental γ-γ coincidence matrix

Cited by 6 publications

References 2 publications

Analysis of multidimensional spectra: estimating the continuum

Analysis of multidimensional spectra: estimating the continuum

Extracting energies and intensities from complex coincidence matrices

Statistical analysis of γ-γ coincidence matrices

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