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Chin. Phys. B, 2009, Vol. 18(10): 4242-4250    DOI: 10.1088/1674-1056/18/10/026
ATOMIC AND MOLECULAR PHYSICS Prev   Next  

Theoretical analysis of ionic autoionization spectra of lanthanum via an intermediate state [Xe]5d6d 1P1

Zhong Yin-Peng(仲银鹏), Jia Feng-Dong(贾凤东), and Zhong Zhi-Ping(钟志萍)
Collage of Physics, Graduate University of Chinese Academy of Sciences, Beijng 100190, China
Abstract  In the framework of multi-channel quantum defect theory, eigenquantum defects $\mu_\alpha$ and the transformation matrices $U_{i\alpha}$ of La+ are calculated from first principles by relativistic multi-channel theory, while the dipole matrix elements $D_\alpha$ are obtained by fitting with experimental data. Then the ionic autoionization spectra of lanthanum via the intermediate state [Xe]5d6d 1P1 in the energy region of 90213--91905 cm-1 are obtained. Experimental peaks are classified and assigned by comparing with the corresponding calculated spectra. More specifically, four ionic autoionization Rydberg series converging to La2+ 5d5/22D5/2 and several states converging to higher lying states of La2+ are found and assigned.
Keywords:  configuration interaction      multi-channel quantum defect theory      relativistic multi-channel theory      autoionization Rydberg series  
Received:  11 November 2008      Revised:  26 May 2009      Accepted manuscript online: 
PACS:  32.80.Zb (Autoionization)  
  31.15.vj (Electron correlation calculations for atoms and ions: excited states)  
Fund: Project supported by the National Natural Science Foundation of China (Grant Nos 10574162 and 10774186), the Scientific Research Fund of Graduate University of the Chinese Academy of Sciences (Grant No 055101BM03).

Cite this article: 

Zhong Yin-Peng(仲银鹏), Jia Feng-Dong(贾凤东), and Zhong Zhi-Ping(钟志萍) Theoretical analysis of ionic autoionization spectra of lanthanum via an intermediate state [Xe]5d6d 1P1 2009 Chin. Phys. B 18 4242

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