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Citation: Cao Xiao-Wei, Liu Hong-Lin, Chen Nian-Yi. Study on the Curium I Odd-Parity Energy Levels Using Pattern Recognition Techniques[J]. Acta Physico-Chimica Sinica, ;1996, 12(05): 400-405. doi: 10.3866/PKU.WHXB19960504 shu

Study on the Curium I Odd-Parity Energy Levels Using Pattern Recognition Techniques

1.
Shanghai Institute of Metallurgy,Chinese Academy of Sciences,Shanghai 200050

Received Date: 18 September 1995
Available Online: 15 May 1996

A new pattern recognition technique PCA-BPN(principal component analysis-back propagation network) has been used to assign the unknown electronic configurations of odd-parity energy levels of the first spectrum of curium (Cm I ). The obtained results show that (1) most previous predictions given by KNN(K nearest neighbours) and CPN(counter propagation network) are further confirmed;(2) several energy levels, which could not be clearly assigned by KNN etc., are predicted to be in od agreement with the assignments of the CPN;(3) two energy levels which were wrongly predicted by the CPN are now corrected using the PCA-BPN and the new assignments are supported by the traditional pattern recognition technique, PCA-NLM(principal component analysis nonlinear mapping).
- Cm I odd parity spectrum,
- Classification of energy levels,
- Pattern recognition,
- PCA-BP neural network,
- Nonlinear mapping
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